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Addressing sexuality and sexual health with migrants. Practice guidelines. Infect Dis Now 2022; 52:61-67. [DOI: 10.1016/j.idnow.2022.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 01/18/2022] [Indexed: 10/19/2022]
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2
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Detection of Hepatitis C Virus-RNA in Saliva from Chronically HCV-Infected Patients. Int J Immunopathol Pharmacol 2018. [DOI: 10.1177/205873920601900122] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The possibility of the non-parenteral Hepatitis C Virus (HCV) transmission is supported by the demonstration that the actual virus is present in several body fluids, including saliva. From a review of the literature many investigators have found the presence of HCV-RNA in saliva, however, widely contrasting results emerge, with detection rates ranging from 0–100%. To further examine HCV salivary shedding, saliva samples were collected from 46 chronically HCV-infected patients and tested for HCV-RNA and occult blood. Quantification and genotyping of serum HCV-RNA were also carried out for each patient. HCV-RNA was detected in 39.13% of the saliva samples. The viral salivary shedding was significantly related to viraemia levels, serum viral genotype and the presence of salivary occult blood. Our findings indicate that the HCV salivary shedding occurs in about one third of HCV-infected patients, but seem to suggest that it is unlikely when the serum viral genotype is 3a. Moreover, blood leakage into the oral cavity is possibly the main source of the salivary HCV-RNA. Although the occurrence of the viral salivary shedding does not necessarily mean that HCV trasmission occurs by saliva, our results suggest the need for further investigations into the biological factors possibly involved in HCV mucosal transmission related to both the source and the exposed subjects.
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Proanthocyanidin may improve the shear bond strength at the composites/dentine interface. J BIOL REG HOMEOS AG 2018; 32:1021-1025. [PMID: 30043588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
TThis study aimed at assessing whether proanthocyanidin, a collagen cross-linker, affects the adhesion strength of resin composites on the dentine surface. Freshly extracted, caries-free, human molars (N=55) were embedded in transparent resin and bisected. The halves were then assigned to either a treated or a non-treated group, where the treatment consisted of a 10 min incubation in a 6.5% proanthocyanidin solution in PBS. A resin composite cylinder was polymerized perpendicularly to the dentinal surfaces and shear tests were made, using an Instron-like machine. The fracture surfaces were characterized by optical (Picro-Sirius Red stain) and electron microscopy (FESEM EDX analysis). Mean bond strength values were 10.73 MPa (SD 3.70) for the treated group and 8.69 MPa (SD 3.20) for the non-treated group (p less than 0.05 Students t-test). No constant fracture patterns could be found within the two groups. Proanthocyanidin treatment may improve the adhesion properties of the dentine-bonding interface.
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Psychiatric disorders in oral lichen planus: a preliminary case control study. J BIOL REG HOMEOS AG 2018; 32:97-100. [PMID: 29460524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The aim of this study was to evaluate the prevalence of psychiatric symptoms in patients with oral lichen planus (OLP) compared to a control group. Eleven patients (mean age 65.2 years-old), with diagnosis of OLP and 13 controls (mean age 64.8 years-old) underwent a psychiatric evaluation with five psychometric scales: Visual Analogue Scale (VAS), Hamilton Rating Scale for Depression (HAM-D), State-Trait Anxiety Inventory (STAI 1-2), Distress Thermometer (DT) and Brief Fatigue Inventory (BFI). Seventy-three % of OLP group presented a VAS score of mild type; 9% had depressive symptoms; 100% of the sample had a score above the cut-off for state and trait anxiety; 45% presented Distress (36% moderate type). However, no statistical difference was found in comparison with the control group. In this study, there was no difference in these parameters between the OLP group and the control group. Perhaps, a larger cohort of patients could give different results.
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Management of denture stomatitis: a narrative review. J BIOL REG HOMEOS AG 2018; 32:113-116. [PMID: 29460527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Candida albicans is a typical commensal microorganism of the oral cavity that can become virulent in certain conditions and cause denture stomatitis (DS). Many conditions can predispose for DS, including local and systemic alterations. The therapeutical approach to DS is various and both topical and systemic alternatives can be considered. Azoles molecules are the most common used, both topically and systemically, but in recent years various alternatives have been proposed. This review aims to examine the scientific literature to evaluate the effectiveness of conventional therapies and the potential of the new ones.
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Oral-facial-digital syndrome (OFD): 31-year follow-up management and monitoring. J BIOL REG HOMEOS AG 2018; 32:127-130. [PMID: 29460530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Orofaciodigital syndrome (OFD) is a group of hereditary disorders identified by malformations of the mouth (oris), face (facies), hands and feet (digitus=finger and toe). Although there are several different types reported in the literature, there is a great overlap in their clinical presentation. The full spectrum of all disorders due to OFD is not yet fully understood, since each patient shows variations in the expression of the syndrome. In the oral cavity, teeth are often affected by various alterations, such as dental caries, abnormal teeth, enamel hypoplasia, supernumerary teeth and dental agenesis. Treatment of a syndromic patient with a complex picture showing conditions such as palatine fissures and a severe hypodontia involves a multidisciplinary approach and a careful periodical follow-up.
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Telescopic overdenture on natural teeth: prosthetic rehabilitation on (OFD) syndromic patient and a review on available literature. J BIOL REG HOMEOS AG 2018; 32:131-134. [PMID: 29460531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Orofaciodigital syndromes (OFD) are rare genetical disorders characterized by malformations of the mouth (oris), face (facies), hands and feet (digitus = finger, toe). It is still impossible to fully understand the whole spectrum of all dysfunctions due to OFD, since the expressions of the syndrome vary in each patient. There are various alterations, thoroughly described in literature that can affect the oral cavity such as dental caries, abnormal teeth, enamel hypoplasia, supernumerary teeth and dental agenesis. A syndromic patient with a complex picture showing conditions such as palatine fissures and a severe hypodontia has to be treated using a multidisciplinary approach, and in particular, needs a prosthetic rehabilitation for the restoration of missing dental elements in the arch.
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Lichen planus: molecular pathway and clinical implications in oral disorders. J BIOL REG HOMEOS AG 2018; 32:135-138. [PMID: 29460532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Stem cells play a role in many mucosal disorders characterised by abnormal proliferation and differentiation of keratinocytes, such as oral lichen planus (OLP). In OLP there were changes in stem cell markers as component of integrin complexes α6 and β1 integrin increased along with increase of melanoma-associated chondroitin sulphate proteoglycan (MCSP) and decreased of notch1 (N1) and keratin 15 (K15). Stem cell marker expression may be altered by pathological signalling in these lesions. Cadherins are transmembrane receptors that provide cell-cell contact and communication function through calcium-dependent homophilic and heterophilic interactions. In actively diseased areas of OLP lesions, basal keratinocytes downregulate CD40 and were focally E-cadherin-negative, in contrast to non-diseased areas and normal oral mucosa. This loss of E-cadherin expression may contribute to epithelial basal cell destruction and T-cell migration into the epithelial compartment in OLP. In addition, Growth factor pathways as a role in OLP and has been analyzed in this review.
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Depression and distress in burning mouth syndrome: A case control study. J BIOL REG HOMEOS AG 2018; 32:91-95. [PMID: 29460523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
To compare the results of psychometric tests in patients with BMS and controls, participants were tested for depression, anxiety, fatigue and distress. Patients with BMS had noticeably higher scores for depression, fatigue and distress, compared to controls. Depression and distress were significantly correlated with the burning symptom. Moreover, distress and burning symptoms proved to be interdependent. Depression seems to play a specific role in BMS. Burning symptoms affect quality of life of patients and they could be a predictor of distress.
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Evaluation of the intraepithelial papillary capillary loops in benign and malignant oral lesions by in vivo Virtual Chromoendoscopic Magnification: a preliminary study. J BIOL REG HOMEOS AG 2017; 31:11-22. [PMID: 28691449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
This preliminary study aims to establish the Virtual Chromoendoscopic Magnification (VCM) feasibility to visualize and distinguish the Intraepithelial Papillary Capillary Loops (IPCL) patterns of benign oral pathologies from malignant ones. Thirty-one consecutive subjects affected by oral lesions/pathologies underwent white light examination and VCM imaging by the Narrow Band Imaging System (Olympus Medical Systems Corp., Tokyo, Japan). A class system of four IPCL types corresponding to progressive vessel disarray was adopted. IPCL type IV were considered criterion of malignancy. A histopathological exam completed the diagnosis: sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and accuracy were calculated. IPCL patterns of benign oral entities ranged from types I to III. IPCL type IV was associated with malignancy in 4 out of 6 cases. Sensitivity, specificity, PPV, and NPV were 100%, 93%, 67% and 100%, respectively. This study preliminarily describes IPCL patterns of different oral mucosal diseases and confirms the association between IPCL IV and oral cancer.
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Proteomic peptide scan of porphyromonas gingivalis fima type ii for searching potential b-cell epitopes. ORAL & IMPLANTOLOGY 2017; 9:83-88. [PMID: 28042435 DOI: 10.11138/orl/2016.9.2.083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE To identify potential antigenic targets for Porphyromonas gingivalis vaccine development. MATERIALS AND METHODS In the present study, we analyzed the Porphyromonas gingivalis, fimA type II primary amino acid sequence and characterized the similarity to the human proteome at the pentapeptide level. RESULTS We found that exact peptide-peptide profiling of the fimbrial antigen versus the human proteome shows that only 19 out of 344 fimA type II pentapeptides are uniquely owned by the bacterial protein. CONCLUSIONS The concept that protein immunogenicity is allocated in rare peptide sequences and the search the Porphyromonas gingivalis fimA type II sequence for peptides unique to the bacterial protein and absent in the human host, might be used in new therapeutical approaches as a significant adjunct to current periodontal therapies.
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Which route of antibiotic administration should be used for third molar surgery? A split-mouth study to compare intramuscular and oral intake. LA CLINICA TERAPEUTICA 2016; 165:e12-6. [PMID: 24589954 DOI: 10.7471/ct.2014.1665] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE To compare the effectiveness of two different routes of antibiotic administration in preventing septic complications in patients undergoing third molar extraction. MATERIALS AND METHODS Twenty-four healthy patients requiring bilateral surgical removal of impacted mandibular third molars were successfully enrolled for this study. Depth of impaction, angulation, and relationship of the lower third molars with the mandibular branch had to be overlapping on both sides. A split-mouth design was chosen, so each patient underwent both the first and second surgeries, having for each extraction a different antibiotic route of administration. The second extraction was carried out 1 month later. To compare the effects of the two routes of antibiotic administration, inflammatory parameters, such as edema, trismus, pain, fever, dysphagia and lymphadenopathy were evaluated 2 and 7 days after surgery. Side effects of each therapy were evaluated 48 h after surgery. RESULTS Oral and intramuscular antibiotic therapies overlap in preventing post-operative complications in dental surgery (p>0.05), even if the oral intake, seems to promote the onset of significant gastrointestinal disorders (p=0.003). CONCLUSIONS This study could help dentists in their ordinary practice to choose the right route of antibiotic administration in the third molar surgery. At the same effectiveness, the higher cost and the minor compliance of the patient seem not to justify a routine antibiotic intramuscular therapy, reserving it for patients with gastrointestinal disorders.
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Effectiveness of two different desensitizing varnishes in reducing tooth sensitivity: a randomized double-blind clinical trial. ORAL & IMPLANTOLOGY 2016; 9:185-189. [PMID: 28042447 DOI: 10.11138/orl/2016.9.4.185] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE The aim of this study is to evaluate and compare the effectiveness of two different desensitizing varnishes. MATERIALS AND METHODS Ninety healthy adults suffering from tooth sensitivity were divided into three groups. Two different varnishes were used for the study: Fluor Protector S, containing 7700 ppm fluoride (group I), and Cervitec F, containing 1400 ppm fluoride and 0.3% chlorhexidine (group II). A placebo containing water and ethanol was applied for the third group. Tooth sensitivity was collected according the Schiff' scale at baseline and after 30 and 90 days. RESULTS Group I and group II improved with statistically significant results. Group III did not show any improvements. CONCLUSIONS Desensitizing varnishes are a valid treatment for tooth hypersensitivity.
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Correlation between dento-skeletal characteristics and craniomandibular disorders in growing children and adolescent orthodontic patients: retrospective case-control study. ORAL & IMPLANTOLOGY 2016; 9:175-184. [PMID: 28042446 DOI: 10.11138/orl/2016.9.4.175] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE The aim of this retrospective case-control study was to identify, in a group of growing children and adolescents affected by malocclusion, specific dento-skeletal characteristics which could be correlated to the onset, in the above-mentioned subjects, of craniomandibular disorders (CMD). MATERIALS AND METHODS Among the patients treated at the Paedodontics and Orthodontics department of Bari Dental School, we recruited a group of patients with malocclusion and symptoms of temporomandibular disorders, as an experimental group. We considered as controls those patients who, match-paired to their skeletal class depending on the ANB angle, did not show any CMD sign or symptom. RESULTS Of the 128 examined patients, 15 showed signs and/or symptoms of CMD (11.7%). When compared to 15 patients non-affected by CMD, we could not detect statistically significant differences in both skeletal and occlusal characteristics. It is still interesting to notice how in CMD patients, characteristics of skeletal hyperdivergence are often to be found. CONCLUSIONS The present study seems to confirm that in growing children and adolescents, the presence of signs and/or symptoms of CMD is not associable to a specific vertical skeletal growth pattern or to other specific occlusal characteristics.
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Immediate vs non-immediate loading post-extractive implants: a comparative study of implant stability quotient (ISQ). ORAL & IMPLANTOLOGY 2016; 9:123-131. [PMID: 28042440 DOI: 10.11138/orl/2016.9.3.123] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE This study aims to evaluate differences in implant stability between post-extractive implants vs immediately placed post-extractive implants by resonance frequency analysis (RFA). MATERIALS AND METHODS Patients were grouped into two different categories. In Group A 10 patients had an immediate post-extractive implant, then a provisional, acrylic resin crown was placed (immediate loading). In Group B (control group) 10 patients only had an immediate post-extractive implant. Both upper and lower premolars were chosen as post-extractive sites. Implant Stability Quotient (ISQ) was measured thanks to RFA measurements (Osstell®). Five intervals were considered: immediately after surgery (T0) and every four weeks, until five months after implant placement (T1, T2, T3, T4,T5). A statistical analysis by means of Student's T-test (significance set at p<0.05) for independent sample was carried out in order to compare Groups A and B. RESULTS The ISQ value between the two groups showed a statistically significant difference (p<0.02) at T1. No statistically significant difference in ISQ was assessed at T0, T2, T3, T4 and T5. CONCLUSIONS After clinical assessment it is possible to confirm that provisional and immediate prosthetic surgery in post-extraction sites with cone-shaped implants, platform-switching abutment and bioactive surface can facilitate osseointegration, reducing healing time.
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Abstract
Treatment of cheilitis is usually difficult and often disappointing. We evaluated the effects of a topical preparation containing vitamin E acetate (VEA® lipogel) in 254 patients (mean age, 29.5) with cheilitis of various nature and etiology, involving the vermilion region and/or the perioral skin. The most frequent form of cheilitis was that induced by oral isotretinoin; other forms were irritant contact dermatitis, atopic cheilitis, and contact allergy. Patients were instructed to apply VEA® lipogel daily; the number of daily applications was modulated on the basis of the severity of symptoms (two or three times a day in the majority of cases). After 4 weeks of treatment, clinical examination showed that the severity of symptoms and signs significantly improved (P<0.001). The response to treatment was reported as particularly rapid by 32% of patients. Patient's assessment of overall effectiveness and acceptability was positive in the majority of cases. Treatment was well tolerated; local adverse reactions were observed in 2.75% of patients and were mostly transient and mild. Our experience suggests that VEA® lipogel is an effective and safe approach to cheilitis. The safety of this preparation is also due to the presence of only a few excipients and the absence of fragrances, preservatives and colouring agents.
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Dental Health and Mortality in People With End-Stage Kidney Disease Treated With Hemodialysis: A Multinational Cohort Study. Am J Kidney Dis 2015; 66:666-76. [DOI: 10.1053/j.ajkd.2015.04.051] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Accepted: 04/29/2015] [Indexed: 01/28/2023]
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IN VITRO ANALYSIS OF MARGINAL ADAPTATION AND RESISTANCE OF DIFFERENT DENTAL COMPOSITES: STEREO AND SCANNING ELECTRON MICROSCOPIC EVALUATION. J BIOL REG HOMEOS AG 2015; 29:82-88. [PMID: 26511185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
To compare the performance, by scanning electron microscopic analysis, of the interface between tooth and four commercial restorative composite resins in Class I cavities following exposure to acidified artificial solution, pH 4.5, with a background electrolyte composition similar to saliva, 600 teeth were divided into 4 groups. The first group was treated with microfilled light-cured Heliomolar; the second group with Durafill; the third group with the microfilled self-cured Isomolar; and the fourth group was treated using the hybrid self-cured Miradapt. All teeth of each group were randomly divided into two sub-groups: A) a control group that was immersed in artificial saliva (pH 7); B) a study group that was immersed in artificial saliva acidified with phosphoric acid (pH 4.5) in order to obtain artificial caries. The samples were examined by scanning electron microscopy. Data were analyzed using Pearsons Chi-squared test (χ2) with R statistical software. The statistical analyses demonstrated significant differences in the two sub-groups A and B when considered for the light-cured composites whereas no difference was monitored for self-cured composites. Statistical analysis (p minore di 0.001) also demonstrated that the type of composite strongly influenced the infiltration grade. Our results demonstrate that incremental layering techniques might improve the marginal adaptation for light-cured composites, while self-cured show a marked polymerization contraction which can cause marginal breakdown.
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SINGLE APPLICATION OF A DESSICATING AGENT IN THE TREATMENT OF RECURRENT APHTHOUS STOMATITIS. J BIOL REG HOMEOS AG 2015; 29:59-66. [PMID: 26511182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Recurrent aphtous stomatitis (aphthae, canker sores) is ones of the most common and painful oral mucosal inflammatory ulcerative conditions; etiopathogenesis is uncertain and only symptomatic therapy is available. We used a dessicating agent based on a concentrated mixture of sulfates. The rationale for use of this product on canker sores is that it cauterises the epithelial tissue affected by the immune response. The aim of this study was to evaluate the topical application of this dessicating agent on aphtous ulcers, and verify its efficacy in reducing pain. Fifty-seven patients, with oral minor aphtous lesions and a history of recurrent aphtous stomatitis were enrolled into this study and were assigned into two groups: 30 patients were treated with a single topical application of a dessicating agent and 27 without any treatment. A subjective evaluation of symptoms was completed by each patient using a visual analog scale (VAS) of 0-10. Patients oral lesions were clinically observed at days 0 (before entering the study) and at day 6. We found that from day three the mean differences in pain score between the two groups was about 16.33% with a decrease of symptoms of 49.57% compared with pretreatment VAS score at baseline (P 0.001). Unfortunately, if we compare the mean differences from baseline in the range of 6 days of pretreatment until day 6 in the group treated with the dessicating agent and in the one receiving no treatment, performing an unpaired t-test, no significant differences appeared (P>0.05). These data suggest that a single application of this medicament could become a valid support in the management of recurrent aphtous stomatitis.
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Pyogenic Granuloma: surgical treatment with Diode Laser. ANNALI DI STOMATOLOGIA 2013; 4:35-36. [PMID: 24353806 PMCID: PMC3860210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
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Phaces syndrome with intraoral and perioral hemangiomas: a different approach with Diode Laser. ANNALI DI STOMATOLOGIA 2013; 4:42-43. [PMID: 24353816 PMCID: PMC3860234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
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Extra-articular diffuse-type giant cell tumour of the temporomandibular joint. Int J Oral Maxillofac Surg 2012; 42:380-5. [PMID: 22898313 DOI: 10.1016/j.ijom.2012.07.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2011] [Revised: 03/13/2012] [Accepted: 07/20/2012] [Indexed: 01/19/2023]
Abstract
Diffuse-type giant cell tumour (DTGCT) is a benign but destructive proliferative disorder of the synovium of joint capsules, tendons and bursae. Lesions originating from the articular synovium may grow intra-articularly or expand widely extra-articularly. Rare cases may develop only in peri-articular tissues. Temporomandibular joint (TMJ) involvement is exceptional and only two cases of purely extra-articular TMJ-DTGCT have been reported. The authors report an additional case of extra-articular TMJ-DTGCT. The clinical features, histopathological characteristics, imaging modalities and diagnostic methods for DTGCT are discussed together with a literature review based on the clinical aspects of TMJ involvement.
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Periodontal Lesions and Gingival Problems in Children with Acute Lymphoblastic Leukemia. EUR J INFLAMM 2012. [DOI: 10.1177/1721727x120100s215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Dentists both as clinical practice and research increased progressively their interest in leukemia, because the oral complications are common during the outcome of the disease, dental management is complex, and the mouth is a potential source of morbidity. The aim of this review is analyzing the most important periodontal problems due to childhood Leukaemia. Infact only with an appropriate periodontal treatment oral health could be mantained and restored before development of irreversible periodontal damage. Our experience suggests that even if detrimental impact of antineoplastic therapy on oral cavity is unavoidable, it could be diminished with an adequate and correct preventive or curative therapy contributing to a better quality of life of children treated for cancer.
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Clinical Nephrology - Epidemiology II. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Abstract
There are many types of cancers in children that are very different from those found in adults: leukaemia, lymphoma, and brain tumours are rather common in children. Acute lymphoblastic leukaemia (ALL) is the most common type of malignancy encountered. The role of pediatric dentist is very important before, during and after therapy: up to 24% of life-threatening infections arise from oral sites and areas. Early dental intervention and preventions procedures may significantly reduce oral complications associated with myelosuppressive cancer treatment. It is really important to evaluate the oral health surveys and to cut out potential sources of infection in mouth in these patients concurrent with their medical therapy. The aim of this review is summarizing the main features of oral mucositis in Childhood Acute Lymphoblastic Leukaemia, providing a little review for the approach, diagnosis and treatment of oral mucositis of ALL, which is frequent and potentially dangerous: it's important considering oral lesions of this type of childhood cancer in order to prevent complications before, during and after chemo or radio therapy to improve the quality of life of little patients.
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Abstract
Leukaemia, a form of abnormal and atypical proliferation of undeveloped white cells, is the most common form of malignant neoplasia in childhood. The different forms of leukaemia are characterized by a high incidence of oral complications. Moreover, oral injuries may be the first predictor of the illness helping to diagnose leukaemia, even if the histologic examination of the marrow is required for a certain diagnosis. Actually the early diagnosis of oral injuries is really important for prevention and treatment of the complications that may arise during the therapy: a better prognosis and lower morbidity and mortality for this illness ensue. Furthermore, even after remission, the young patient increasingly needs a constant monitoring of the oral cavity because of the delayed effects of the illness and the therapy. Therefore a dental treatment programme for paediatric haemato-oncological patients is very important to improve quality of life of leukemic children.
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Abstract
Previous studies have demonstrated that patients affected by Oral Lichen Plauns (OLP) show lower levels of salivary fibronectin when compared with normal controls. Similarly, tissutal fibronectin expression is lost in epidermal basal layer and papillary dermis of OLP patients. To date, no data exist on the potential role of Plasma Fibronectin(PFn) in OLP pathogenesis, diagnosis and treatment. The objectives of the present study are: a) to determine the PFn levels in OLP patients; b) to evaluate a possible association between OLP clinical form and PFn levels; and c) to determine the PFn levels in relation to OLP signs and symptoms treatment. Twenty consecutive patients affected by OLP were enrolled. All patients were treated for eight weeks with topical clobetasol 0.05%. OLP signs and symptoms were scored before and after treatment. PFn level was determined by a nephelometric system. OLP signs and symptoms significantly improved after treatment. The mean levels of PFn were 31.84mg/dL at the beginning and 26.76mg/dL at the end of the study. The difference was not statistically significant (p=0.60). PFn in OLP patients remains in normal value range. OLP clinical form does not influence the PFn levels. Amelioration of symptoms and signs of atrophic-erosive and reticular OLP are induced by clobetasol treatment and the PFn seems not to interfere in the healing processes induced by topical corticosteroid. In contrast to what is observed in traumatic or diabetic wound healing, levels of PFn do not promote OLP lesion healing. PFn is not to be considered as a marker of OLP disease activity and its role in OLP pathogenesis still remains unclear.
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Inhibition of HSV-1 replication by laser diode-irradiation: possible mechanism of action. Int J Immunopathol Pharmacol 2011; 23:1167-76. [PMID: 21244765 DOI: 10.1177/039463201002300420] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Herpes labialis are the most frequent clinical manifestations of HSV-1 infection. Epithelial cells are able to respond to HSV-1 presence inducing the expression of IL-6, IL-1, TNF-α and IL-8. These proinflammatory cytokines have a function in the acute-phase response mediation, chemotaxis, inflammatory cell activation and antigen-presenting cells. In the human epithelial cell models, it has been demonstrated that, after an early induction of proinflammatory host response, HSV-1 down-modulates the proinflammatory cytokine production through the accumulation of two viral proteins, ICP4 and ICP27, whose transcription is induced by tegument protein VP16. These viral proteins, through the decreasing of stabilizing the mRNAs of proinflammatory genes, delay cytokine production to an extent that allows the virus to replicate. Moreover, viral transactivating proteins, ICP-0 and VP-16 induce IL-10 expression. The conventional treatment of herpes labialis involves the topical and systemic use of antiviral drugs but it is necessary to find new therapies that can act in a selective and non-cytotoxic manner in viral infection. Laser diode therapy has been considered as a non-invasive alternative treatment to the conventional treatment of herpes labialis in pain therapy, in modulation of inflammation and in wound healing. This study aims to report a possible mechanism of action of laser diode irradiation in prevention and reduction of severity of labial manifestations of herpes labialis virus. We investigated, in an in vitro model of epithelial cells HaCat, the laser-effect on HSV-1 replication and we evaluated the modulation of expression of certain proinflammatory cytokines (TNF-α, IL-1β and IL-6), antimicrobial peptide HBD2, chemokine IL-8 and the immunosuppressive cytokine, IL-10. Our results lead us to hypothesize that LD-irradiation acts in the final stage of HSV-1 replication by limiting viral spread from cell to cell and that laser therapy acts also on the host immune response unblocking the suppression of proinflammatory mediators induced by accumulation of progeny virus in infected epithelial cells.
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Candida-associated denture stomatitis. Med Oral Patol Oral Cir Bucal 2011; 16:e139-43. [DOI: 10.4317/medoral.16.e139] [Citation(s) in RCA: 161] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2010] [Accepted: 06/24/2010] [Indexed: 11/05/2022] Open
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Abstract
UNLABELLED BACKGROUND The presence of atrophic-erosive lesions among gingival tissues makes oral hygiene procedures difficult for several reasons. Plaque control and rigorous oral hygiene are a fundamental requisite for the treatment of any oromucosal disease. CASE REPORT A patient suffering from a mixed atrophic-erosive form of oral lichen planus (OLP), with serious gingival involvement, was also treated with the topical application of clobetasol propionate 0.05% using gingival trays. The highest hygiene standards of both patient and trays were of fundamental importance. DISCUSSION The management of the patient suffering from gingival atrophic-erosive OLP requires the synergic treatment of both dentist and dental hygienist, whose contribution supports the corticosteroid and/or immunosuppressive treatment.
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Sodium iodide associated to salicylic acid in the topical management of chronic oral candidiasis: a randomized trial. J BIOL REG HOMEOS AG 2010; 24:381-384. [PMID: 20846487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Candidiasis is a relevant problem in oral medicine practice. We compared the antimycotic activity of nystatin with a solution of sodium iodide associated to salicylic acid (SISA) in the topical management of chronic candidiasis. Consecutive patients affected by chronic candidiasis were randomly allocated to SISA (group A) or nystatin (group B). VAS and swab scores were recorded at the beginning and at the end of the study while the healing index was evaluated at the end of the study only. Data were analyzed by STATA 10 MP. Forty patients (20 male, 20 female) were randomized. SIAS was as effective as nystatin in affecting VAS (p greater than 0.05) and swab score (p greater than 0.05). A statistically significant reduction (p less than 0.05) of healing index was observed in both groups. No side effects were reported. SISA topical application, shows a comparable efficacy to the nystatin in the management of chronic oral candidiasis. Its use could represent an adequate alternative to the nystatin above all in the cases of drug-resistance. Further large scale randomized trials are warranted to confirm these preliminary findings.
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Angina bullosa haemorrhagica: a case report. J BIOL REG HOMEOS AG 2009; 23:125. [PMID: 19589294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Angina bullosa haemorrhagica (ABH) is a quite rare condition characterized by one or more blood blisters or bullae in the oropharynx. Here we report a case of ABH probably caused by a traumatic event in a diabetic patients. Diagnosis is based on clinical criteria and a prompt treatment alleviates the choking sensation and reduces secondary infections.
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Differential effects of all-trans retinoic acid on the growth of human keratinocytes and mouth carcinoma epidermoid cultures. Involvement of GRIM-19 and complex I of the respiratory chain. Int J Immunopathol Pharmacol 2008; 20:719-29. [PMID: 18179744 DOI: 10.1177/039463200702000407] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Squamous cell carcinoma (SSC) is the most frequent malignant tumor of the oral cavity. A study on the effect of all-trans retinoic acid (RA) on cell growth, expression of GRIM-19 and content and activity of complex I of the mitochondrial respiratory chain in normal human keratinocytes (NHEK) and mouth carcinoma cells with low (HN) and high (KB) transformation grade was carried out. In NHEK cells, RA treatment resulted in growth suppression, significant overexpression of GRIM-19 protein, enhanced content of complex I but depressed activity of NADH-UQ oxidoreductase activity of the complex. In HN cells, RA treatment depressed cell growth, inhibited the enzymatic activity of complex I but had no significant effect on the levels of GRIM-19 and complex I. In KB cells RA had no effect on cell growth, GRIM-19 expression, content and activity of complex I.
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Abstract
Oral lichen planus (OLP) is a relatively common disorder whose cause is still unknown. It occurs mostly on the buccal mucosa, but the gingivae, tongue, floor of the mouth and retromalar pads may also be affected. It rarely occurs on the lips and usually in association with oral lesions. We report a case series of ten patients with a history of isolated swelling of the lower and/or upper lip, erosions and crusting. General medical history, examination of the oral cavity and recording of signs and symptoms were carried out for each patient. Among the six different clinical variants of OLP described by Andreasen, the atrophic-erosive form was the most common in the course of isolated LP of the lip in our series. Five cases presented HCV hepatitis. A complete remission of lesions was observed in eight patients after topical treatment with clobetasol propionate 0.05 percent and tocopherol oil, while partial improvement was noted in those remaining. Isolated LP of the lip is unusual and presents a diagnostic challenge; however an appropriate differential diagnosis is fundamental. Lesions of the lips might represent a more or less precocious phase of oral involvement. Moreover the reasons for the unique localization on the lips need to be explored. Several variables, including age, duration of lesions, concomitance of other diseases, and genetic predisposition may be involved. Isolated LP of the lip is a well-known condition which responds well to topical treatment with corticosteroids. A thorough medical management and active early treatment are necessary to improve symptoms and might also be a relevant prevention strategy from squamous cell carcinoma risk, although data to fully support this statement still need investigation.
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Non invasive imaging technologies in the early diagnosis of oral squamous cell carcinoma: An overview. Radiother Oncol 2007. [DOI: 10.1016/s0167-8140(07)80110-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Local delivery of antimicrobial drugs in the treatment of chronic adult periodontitis. MINERVA STOMATOLOGICA 2006; 55:655-61. [PMID: 17211371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
AIM The aim of this study was to evaluate the clinical and microbiologic results of local delivery of adjunctive antimicrobials in the treatment and management of patients with periodontitis. METHODS The study population included 33 patients (age range, 37-49 years), with chronic adult periodontitis. Eleven of 33 received local treatment with 10% doxycycline injected directly into the periodontal pocket; 11 received local treatment with a chlorhexidine-based gel (1.5%) in situ; 11 received mechanical treatment with scaling and root planing. The crevicular fluid of the doxycycline-treated group was analyzed using high performance liquid chromatography over a period of 1 month. RESULTS In the 11 patients treated with an antibiotic we observed a reduction in attachment loss and a reduction in probing depth of 1.4 mm; in the 11 chlorhexidine-treated patients we observed a reduction in attachment loss and a reduction in probing depth of 0.9 mm; in the remaining 11 patients the reduction in attachment loss and probing depth was less than those measured in the other two treatment groups. CONCLUSIONS Our results suggest that direct delivery of antimicrobial agents to the infection site may be a useful adjunctive to conventional periodontal treatment.
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Gingival overgrowth in renal transplant recipients induced by pharmacological treatment. Review of the literature. MINERVA STOMATOLOGICA 2006; 55:59-65. [PMID: 16495873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Patients who undergo a renal transplant also require a pharmacological immunosuppressor therapy with cyclosporine (CsA) as well as anti-hypertensive calcium channel-blockers (CCBs); the former suppresses interferon and interleukin-2 production thus interfering with T cell cell-mediated activity, while the latter are used in order to counteract the nephrotoxicity of CsA which causes the local release, of thromboxane A2 with vascular vasoconstriction in the kidney. The use of both these drugs, particularly if used in association, leads to the onset of a clinical picture of variable entity, characterized mainly by a hypertrophy originating usually at the level of interdental papillae, and more pronounced in the anterior maxillary areas and the vestibular surfaces of the teeth, in a more or less symptomatic manner. The therapy is above all preventive, with an appropriate oral hygiene program, both professionally as well as at home, and with the use of substitutive drugs that do not present such side effects.
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Detection of hepatitis C virus-RNA in saliva from chronically HCV-infected patients. Int J Immunopathol Pharmacol 2006; 19:217-24. [PMID: 16569360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2023] Open
Abstract
The possibility of the non-parenteral Hepatitis C Virus (HCV) transmission is supported by the demonstration that the actual virus is present in several body fluids, including saliva. From a review of the literature many investigators have found the presence of HCV-RNA in saliva, however, widely contrasting results emerge, with detection rates ranging from 0-100%. To further examine HCV salivary shedding, saliva samples were collected from 46 chronically HCV-infected patients and tested for HCV-RNA and occult blood. Quantification and genotyping of serum HCV-RNA were also carried out for each patient. HCV-RNA was detected in 39.13% of the saliva samples. The viral salivary shedding was significantly related to viraemia levels, serum viral genotype and the presence of salivary occult blood. Our findings indicate that the HCV salivary shedding occurs in about one third of HCV infected patients, but seem to suggest that it is unlikely when the serum viral genotype is 3a. Moreover, blood leakage into the oral cavity is possibly the main source of the salivary HCV-RNA. Although the occurrence of the viral salivary shedding does not necessarily mean that HCV transmission occurs by saliva, our results suggest the need for further investigations into the biological factors possibly involved in HCV mucosal transmission related to both the source and the exposed subjects.
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Abstract
Cyclooxygenase (COX), the key enzyme in prostaglandin cascade, is expressed in two isoforms: the constitutive COX-1 and the inducible COX-2. Hyper-expression of COX-2 has been implicated in the pathogenesis of colon-rectal cancer in humans but it appears to play a significant role as a tumour progression factor also in other forms of human cancer, including oral cancer. The aim of this study was to analyze the expression of COX-2, at the protein level, in 45 cases of oral squamous cell carcinoma. Standard immunohistochemical streptavidin-biotin peroxidase analysis was carried out with highly specific antibody against human COX-2 and cell specific markers, in 45 oral squamous cell carcinomas. Our study revealed a moderate to high COX-2 expression in 35 out of the 45 oral squamous cell carcinoma specimens (77.8%). COX-2 expression appeared particularly abundant in the superficial ulcerated layers of relatively well differentiated carcinomas. However, we were unable to assess any statistically significant association between COX-2 hyper-expression and tumor site, tumor grading, tumor size, presence of lymph node metastases, tumor stage and age at onset, respectively. Interestingly, COX-2 expression was detected not only in areas of epithelial dysplasia adjacent to the primary layers (86% of the cases) but also in normal-appearing epithelium at the boundaries of squamous cell carcinoma (77%), indicating a possible involvement in tumour progression by the apparently normal tissue surrounding the lesion. Moreover, intense COX-2 staining was observed in endothelial cells of intra-tumour vessels and extra-tumour vessels adjacent to the tumour nests, in a high proportion of cases (82%). COX-2 positivity was associated with CD34 and VEGF positivity, indicating that these vessels were probably neo-formed ones. From this study as well as from other works, it appears that indeed COX-2 is over-expressed in this important human malignancy. However, further studies are necessary to understand the exact magnitude of this over-expression and, mostly, the possible role of COX-2 in the pathogenesis and progression of oral cancer.
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Abstract
Hydroxyurea (HU) is commonly used for the treatment of chronic myelogenous leukaemia, polycythemia vera and essential thrombocythaemia. Patients receiving HU present a number of side-effects including skin/mucosa changes and tumours. Mucocutaneous abnormalities include xerosis, ichthyosiform lesions, dark brown pigmentation of skin folds and nails, malleolar ulcers, oral mucositis and oral ulcers. Cutaneous squamous/basal cell carcinomas have also often been reported following long-term administration of HU. HU-induced carcinogenesis is due to both the mutagenic potential of this agent and to an impairment of DNA repair mechanisms after damage by external factors such as ultraviolet radiation. Oral cancer following long-term treatment with HU has been reported only once, in a patient with concomitant multiple skin tumours. We present the unique case of a patient with polycythemia vera who developed oral cancer after 15 years of HU therapy.
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Abstract
In recent years an association between oral lichen planus (OLP) and HCV infection has been reported, but the frequency of this association seems to differ in the various geographic areas. It is clear, instead, that some abnormalities occur in the immune-regulation mechanisms of patients with OLP and it is thought to be due to the chronic antigenic stimulus of HCV that causes functional disorders of the immune system in infected patients. Possible immunologic difference between 17 patients with OLP and HCV+ and 17 patients with OLP and HCV- were investigated using standard immunofluorescence and flow cytometry techniques. The distribution of T and B cells was normal in all patients examined, while NK CD56+ cells were increased, above all in HCV- patients. About 65% of T CD4+ lymphocytes coexpressed the CD45RO isoform (p=0.002), while approximately 32% expressed CD45RA, without significant differences in comparison to HCV+ subjects (p>0.05). Moreover, almost all the CD4+CD45RO+ subpopulation coexpressed CD29 in all patients examined. No significant differences between the two groups of patients were detected as to the increase of cytotoxic T CD8+CD57+ lymphocytes. The B cells CD19+CD5+ responsible for the production of "natural" antibodies were detectable in both the examined groups, even if not in all HCV+ subjects (30% +/- 10.1 in HCV- and 27% +/- 19.4 in HCV+ patients; p=0.47). These findings suggest the existence of differences in lymphocyte subpopulations between OLP-HCV+ subjects and OLP-HCV- patients.
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[Antibacterial effect of Nd:YAG laser in periodontal pockets decontamination: a in vivo study]. MINERVA STOMATOLOGICA 2004; 53:355-9. [PMID: 15266290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
AIM Tha aim of this paper is to assess the effects in vivo of the Nd: Yag laser on gingival microflora in patients periodontally at risk. METHODS An investigation has been carried out on 5 patients suffering from serious periodontal disease, with a sub-gingival check-up a week after the treatment. The selected patients presented either a relapse after the raising of a traditional flap, or showed acute phenomena and were, therefore, treated with a laser with the propedeutic intention of surgery; or they refused traditional surgical therapy or presented systematic pathologies that could not be included in the appropriate protocol. Pockets were chosen that had a probe depth of between 5-8 mm, an optic fibre probe was pushed as far as possible into the probe depth, for about 1 minute per site, 5 times, at 30 second intervals. The samples, taken in order to calculate bacteria colonies, were carried out before using the laser, immediately after and, again, 1 week later. RESULTS All the sites showed a slight reduction in the quantity of colonies forming immediately after the Nd:Yag laser application, while a week later, only if clinical inflammation appeared to be resolved, the bacteria forming colonies seemed to be reduced. CONCLUSION From this study it can be concluded that the use of the Nd:Yad laser represents, in mild and average periodontitis, a therapeutic aid to scaling and root planing and, in the same way, in serious periodontitis for traditional surgical therapy.
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Drugs in oral surgery. Brief guidelines for adult patients. MINERVA STOMATOLOGICA 2004; 53:337-44. [PMID: 15266288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
Drugs administrable in oral surgery for adult patients are antiseptics-antibiotics, antiinflammatory-analgesics and sedative-hypnotics. Such drugs can be administered before, during or after oral surgery. Sedative-hypnotics can be administered before or during oral surgery in order to control the patient's anxiety. Anti-inflammatory-analgesics, on the other hand, can be administered before or after oral surgery to lower edema and pain. For this purpose, FANS are the most commonly used drugs but, in more traumatic oral surgery, the administration of a single pre-surgery dose of corticosteroids is suitable. As regards, antibiotics have to be given from 15 min to 1 h before oral surgery and continued or otherwise for 24-48 h depending on the dosage. post-surgery infection onset, in fact, is higher within 3 h after oral surgery.
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Abstract
Recessive dystrophic epidermolysis bullosa of Hallopeau-Siemens (RDEB-HS) is a rare genetic disorder characterized by trauma-induced blisters, milia, acral pseudosyndactyly, and scarring. RDEB-HS patients present with a distinct pattern of oral involvement consisting of microstomia, ankyloglossia, vestibule obliteration and dental caries. In this review, we describe the orodental manifestations of RDEB-HS and present our experience in a cohort of six new cases of RDEB-HS in children aged 6-10 years, documenting the presence of microstomia, ankyloglossia and vestibule obliteration in childhood. We also show that compared with unaffected control children, RDEB-HS subjects have a greater risk of developing high caries indices with early onset, both for permanent or deciduous teeth, and a worse oral hygiene index (scored as OHI). Tooth malpositions and the cross-bite relationship between maxilla and mandible could play a major role in promoting these events. We propose that dental management of RDEB-HS subjects should commence as soon as tooth eruption begins.
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Expression and subcellular distribution of Bcl-2 and BAX proteins in serum-starved human keratinocytes and mouth carcinoma epidermoid cultures. Life Sci 2003; 73:2865-72. [PMID: 14511771 DOI: 10.1016/s0024-3205(03)00706-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Squamous cell carcinoma (SSC) is the most frequent malignant tumor of the oral cavity. Aberration of programmed cell death is thought to participate in cancer. Using specific antibodies a study of the expression and subcellular distribution of Bcl-2, BAX, caspase-3 and cytochrome c in normal human keratinocytes and mouth carcinoma slowly (HN) and rapidly growing (KB) cells has been carried out. In carcinoma cells depressed expression of BAX, presence in the cytosol of procaspase-3 and absence in this fraction of cytochrome c have been found. PGE2 treatment prevented cell growth depression induced by pro-apoptotic serum starvation both in control and carcinoma cell cultures. It is also shown that PGE2 promoted both in keratinocytes and KB cells expression of Bcl-2, which was accompanied in the first case by increase in its mitochondrial level. These results indicate that in carcinoma cells there is an apparent down regulation of the apoptotic cascade as compared to normal keratinocytes. Thus the possibility that down regulation of apoptosis is associated with promotion of tumor development in the oral mucosa cells seems to be supported by these observations.
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[Preliminary protocol for systemic administration of capsaicin for the treatment of the burning mouth syndrome]. MINERVA STOMATOLOGICA 2003; 52:273-8. [PMID: 12874531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
AIM Burning mouth syndrome could be considered an expression of atypical facial pain. The recent neuropathological findings in BMS may suggest the need for alternative therapies. This paper aims to evaluate if systemic capsaicin could be used for BMS the- rapy. METHODS Eighty-four BMS patients (19 males and 63 females, aged 36 to 74 years, mean 54.6) were referred to the Oral Medicine and Oral Pathology Department, Dental University Institute, Milan-Bicocca University. They were divided in 2 groups: 1(st) Group: the first group (42 patients) received 3 capsules of capsaicin (50 mg of powder of red pepper with 0,25% of capsaicin) a day for one month. 2(nd) Group: the control group (42 patients) received 3 capsules of placebo (empty capsules) a day for one month. The intensity of pain was measured on the visuo-analogical scale VAS. T test of Student was applied to analyse results of VAS. P values of less than 0.05 were interpreted as significant, and the level in confidence intervals was 95%. RESULTS Significant differences were noted between the two groups at the end of our study (p<0.05). No important side effects were reported. CONCLUSION Systemic capsaicin could be considered a successful therapeutical approach for BMS patients.
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[Role of human viruses in the pathogenesis of periodontal disease]. MINERVA STOMATOLOGICA 2003; 52:211-7. [PMID: 12874540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
Human viruses play a fundamental role in the pathogenesis of periodontal disease due to their intrinsec capacity to interfere with immune system of the host. Herpesvirus maybe involved in the onset or progress of a number of periodontal diseases while HIV seems to be related to the linear gingival erythema (LGE) and necrotizing ulcerative periodontitis (NUP).
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Abstract
OBJECTIVE The rationale for using tazarotene in oral lichen planus (OLP) is its regulatory action on the growth and differentiation of keratinocytes and on inflammation. This randomized, placebo-controlled study addresses evaluation of the effects of topic tazarotene in the treatment of OLP. DESIGN The degree of lesions before and after treatment scored by a 6-score scale in six cases treated with tazarotene was statistically compared with those of six controls treated with placebo. SUBJECTS Twelve patients with hyperkeratosic OLP were randomly allocated to treatment with tazarotene gel 0.1% b.i.d. or with placebo for eight consecutive weeks. METHODS The statistical comparison was executed by means of Wilcoxon analysis for paired data. RESULTS Patients treated with tazarotene presented a significant reduction of their lesions as compared with the control group. Among transitory side-effects, burning sensation and taste abnormalities were observed. CONCLUSION Topical tazarotene may be a valuable therapeutic tool in the treatment of hyperkeratotic OLP.
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