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Diop A, Ly F, Ndiaye MT, Seck B, El Omari A, Diouf A, Tajaoui M, Diadie S, Ahy Diatta B, Ndiaye M, Diallo M, Niang S, Kane A, Thierno Dieng M. Epidemiology, clinical features, and associated factors in 78 cases of lichen planus on black skin. Int J Dermatol 2019; 59:137-142. [DOI: 10.1111/ijd.14698] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 08/09/2019] [Accepted: 09/24/2019] [Indexed: 12/27/2022]
Affiliation(s)
- Assane Diop
- Dermatology Hospital Institute of Social Hygiene (IHS) of Dakar Dakar Senegal
| | - Fatimata Ly
- Dermatology Hospital Institute of Social Hygiene (IHS) of Dakar Dakar Senegal
| | - Mame Tene Ndiaye
- Dermatology Hospital Institute of Social Hygiene (IHS) of Dakar Dakar Senegal
| | - Birame Seck
- Dermatology Hospital Institute of Social Hygiene (IHS) of Dakar Dakar Senegal
| | - Amal El Omari
- Dermatology Hospital Aristide Le Dantec (HALD) Dakar Senegal
| | - Astou Diouf
- Dermatology Hospital Institute of Social Hygiene (IHS) of Dakar Dakar Senegal
| | - Myriam Tajaoui
- Dermatology Hospital Institute of Social Hygiene (IHS) of Dakar Dakar Senegal
| | - Saer Diadie
- Dermatology Hospital Institute of Social Hygiene (IHS) of Dakar Dakar Senegal
| | | | - Maodo Ndiaye
- Dermatology Hospital Aristide Le Dantec (HALD) Dakar Senegal
| | - Moussa Diallo
- Dermatology Hospital Aristide Le Dantec (HALD) Dakar Senegal
| | - Suzanne Niang
- Dermatology Hospital Institute of Social Hygiene (IHS) of Dakar Dakar Senegal
| | - Assane Kane
- Dermatology Hospital Aristide Le Dantec (HALD) Dakar Senegal
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GOMES MF, GOULART MDGV, GIANNASI LC, HIRAOKA CM, MELO GDFS, ZANGARO RA, NÓBREGA CJP, SALGADO MAC. Effects of the photobiomodulation using different energy densities on the periodontal tissues under orthodontic force in rats with type 2 diabetes mellitus. Braz Oral Res 2018; 32:e61. [DOI: 10.1590/1807-3107bor-2018.vol32.0061] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Accepted: 05/14/2018] [Indexed: 01/15/2023] Open
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Amin LE. Biological assessment of ozone therapy on experimental oral candidiasis in immunosuppressed rats. Biochem Biophys Rep 2018; 15:57-60. [PMID: 30069501 PMCID: PMC6067064 DOI: 10.1016/j.bbrep.2018.06.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 06/20/2018] [Accepted: 06/28/2018] [Indexed: 11/29/2022] Open
Abstract
Immunosuppressive drugs can compromise local or general defense mechanisms and can lead to oral candidiasis. Ozone therapy has a wide range of applications in almost every field of dentistry. Its unique properties include immunostimulant, analgesic, antihypnotic, detoxicating, and antimicrobial actions. Sixty male healthy rats were immunosuppressed with dexamethasone in their drinking water one week before candida infection. The animals were divided into four equal groups. Rats of group 1 were kept without any manipulation and those of group II were given oral inoculums of C. albicans on the dorsal surface of the tongue. Group III rats were handled as group II and instead the rats were treated by daily mycostatin drops local applicator as a routine treatment. Meanwhile, group IV rats were handled as group II and instead the rats were received daily intraperitoneal injection of 1 cm3 of ozone oxygen gas mixture with concentration of ozone 70 μg/cm3. After two weeks, all rats were euthanized and tongue specimens were prepared for histological staining with Haematoxylin & Eosin and CD3 immunohistochemical staining. Histological examination revealed that treatment with ozone therapy lead to gradual decrease in lingual papillary atrophy and invasion of candida yeast. Immunohistochemical study showed significant decrease in CD3 counting. We can conclude that ozone acts as an excellent fungicidal agent also, ozone is capable of alerting the immune system. Immunosuppressive drugs can compromise local or general defense mechanisms and lead to oral candidiasis. Ozone therapy has a wide range of applications in many fields of dentistry. Ozone application has many beneficial effects on the oral tissues comprising remission of various mucosal alterations.
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Lee S, Im A, Burm E, Ha M. Association Between Periodontitis With Blood Lipid Levels in Korean Population. J Periodontol 2017; 89:28-35. [DOI: 10.1902/jop.2017.170111] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 07/20/2017] [Indexed: 12/26/2022]
Affiliation(s)
- Seyoung Lee
- Department of Public Health, Graduate School, Dankook University, Cheonan, Republic of Korea
| | - Aejung Im
- Department of Public Health, Graduate School, Dankook University, Cheonan, Republic of Korea
| | - Eunae Burm
- Department of Preventive Medicine, Dankook University College of Medicine, Cheonan, Republic of Korea
| | - Mina Ha
- Department of Preventive Medicine, Dankook University College of Medicine, Cheonan, Republic of Korea
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Sundell AL, Ullbro C, Marcusson A, Twetman S. Comparing caries risk profiles between 5- and 10- year-old children with cleft lip and/or palate and non-cleft controls. BMC Oral Health 2015. [PMID: 26208495 PMCID: PMC4514989 DOI: 10.1186/s12903-015-0067-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Previous studies have suggested that children with oral clefts may have higher caries prevalence in comparison with non-cleft controls but the relative importance of the potential risk factors is not clear. The aim of this study was to compare the caries risk profiles in a group of cleft lip and/or palate (CL(P)) children with non-cleft controls in the same age using a computerized caries risk assessment model. METHODS The study group consisted of 133 children with CL(P) (77 subjects aged 5 years and 56 aged 10 years) and 297 non-cleft controls (133 aged 5 years and 164 aged 10 years). A questionnaire was used to collect data concerning the child's oral hygiene routines, dietary habits and fluoride exposure. Oral hygiene was assessed using Quigley-Hein plaque Index and the caries prevalence and frequency was scored according to the International Caries Detection and Assessment System. Whole saliva samples were analyzed for mutans streptococci, lactobacilli, buffering capacity and secretion rate. The risk factors and risk profiles were compared between the groups with aid of Cariogram and the estimated risk for future caries was categorized as "high" or "low". RESULTS Children with CL(P) (the entire study group) had significantly higher counts of salivary lactobacilli (p < 0.05) and displayed less good oral hygiene (p < 0.05). More 10-year-old children in the CL(P) group had low secretion rate but this difference was not significant. The average chance to avoid caries ranged from 59 to 67% but there were no significant differences between the groups. The odds of being categorized with high caries risk in the CL(P) group was significantly elevated (OR = 1.89; 95% CI = 1.25-2.86). In both groups, children in the high risk category had a higher caries experience than those with low risk. CONCLUSION Children with CL(P) displayed increased odds of being categorized at high caries risk with impaired oral hygiene and elevated salivary lactobacilli counts as most influential factors. The results suggest that a caries risk assessment model should be applied in the routine CL(P) care as a basis for the clinical decision-making and implementation of primary and secondary caries prevention.
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Affiliation(s)
- Anna Lena Sundell
- Department of Pediatric Dentistry, Institute for Postgraduate Dental Education, Box 1030, SE, 551 11, Jönköping, Sweden.
| | - Christer Ullbro
- Institute for Clinical Dentistry, UiT The Arctic University of Norway, Tromsø, Norway.
| | - Agneta Marcusson
- Department of Dentofacial Orthopedics, Maxillofacial Unit, Linköping University Hospital, Linköping, Sweden.
| | - Svante Twetman
- Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
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Denli YG, Durdu M, Karakas M. Diabetes and Hepatitis Frequency in 140 Lichen Planus Cases in Çukurova Region. J Dermatol 2014; 31:293-8. [PMID: 15187324 DOI: 10.1111/j.1346-8138.2004.tb00675.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2003] [Accepted: 12/09/2003] [Indexed: 12/18/2022]
Abstract
The aim of the present study was to determine the Hepatitis B Virus (HBV), Hepatitis C Virus (HCV), and diabetes mellitus (DM) frequencies in lichen planus (LP) cases in our region. We performed a retrospective review of records from all cases that were diagnosed with LP at the our department between 1997 and 2002. The results were compared with the control group (any type of dermatosis other than LP). The 260 LP cases included 108 (41.5%) males and 152 (58.5%) females aged between 5 and 78 years. The clinical distribution of the lesions were 127 (48.8%) with skin lesions and 133 (51.2%) with oral mucosal lesions. The duration of disease ranged from 1 to 240 months. In 140 of 260 LP cases, hepatitis serology and pre-prandial blood glucose were examined. We found HBV positivity in 24 (17.1%) cases, Anti-HCV positivity in 7 (5%) cases, and DM in 22 (15.7%) cases. The control group included 116 (41.4%) males and 164 (58.6%) females. Their ages ranged between 10 and 82 years. In this group, we found HBV positivity in 20 (7.1%), Anti-HCV positivity in 4 (1.4%), and DM in 20 (7.1%) cases. We believe that the co-association of LP with HCV is significant and this co-association ratio indicates variance depending on clinical attributes of the lesions and racial characteristics of the patients. Although we found co-associations between HBV and LP or DM and LP, we believe that further studies are necessary to determine if they are significant.
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Affiliation(s)
- Y Gül Denli
- Cukurova University, Faculty of Medicine, Department of Dermatology, Adana, Turkey
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Scardina GA, Cacioppo A, Messina P. Periodontal microcirculation in diabetics: an in vivo non-invasive analysis by means of videocapillaroscopy. Med Sci Monit 2012; 18:CR58-64. [PMID: 22293878 PMCID: PMC3560579 DOI: 10.12659/msm.882456] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Background Diabetes mellitus is today considered a society-wide disease of a chronic/degenerative nature. Among the secondary effects of diabetes, the one that interests the dental surgeon most is diabetic parodontopathy. The aim of this study was to underline and objectify microcirculatory variations at a periodontal mucous level in type 2 diabetics. Material/Methods The study enrolled 80 subjects: 40 subjects with a diagnosis of diabetes mellitus type II (18 males and 22 females, between 44 and 85 years of age); and 40 healthy subjects (17 males and 23 females, between 44 and 78 years of age). All the subjects, both diabetic and healthy, were submitted to a videocapillaroscopic examination of the mucosa of the oral cavity. Results The measurements concerning the density (expressed in the number of loops/mm2) of the capillary loops presented differences between the healthy subjects and the diabetic subjects. The average periodontal capillary density (DC-P) was clearly superior in diabetic subjects (35.62±10.40 n°loop/mm2) compared to healthy subjects (17.55±3.88 n°loop/mm2). The statistical analysis was performed by means of the Mann Whitney test. The value of P (p=0.000000986), well below the level of significance, demonstrates the high significance of the results obtained. Conclusions The increase in capillary density could suggest the presence of active inflammatory phenomena or, more probably, a tendency to a greater susceptibility to inflammatory phenomena. Ultimately, this study shows that there is some peripheral damage to microcirculation at the masticatory mucous level in diabetic subjects and that such alterations can be instrumentally objectified and quantified through the videocapillaroscopic method.
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Affiliation(s)
- Giuseppe Alessandro Scardina
- Department of Surgical and Oncological Disciplines, Section of Oral Sciences, University of Palermo, Palermo, Italy.
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Ghabanchi J, Andisheh Tadbir A, Darafshi R, Sadegholvad M. The prevalence of median rhomboid glossitis in diabetic patients: a case-control study. IRANIAN RED CRESCENT MEDICAL JOURNAL 2011; 13:503-6. [PMID: 22737518 PMCID: PMC3371980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2010] [Accepted: 01/10/2011] [Indexed: 11/18/2022]
Abstract
BACKGROUND Diabetes mellitus (DM) is one of the most common disorders of endocrine glands which has a worldwide distribution and is a risk factor for oral pathology so; the purpose of the present study was to investigate the association between median rhomboid glossitis (MRG) and DM. METHODS We examined 202 Iranian patients with DM aged 10-86 years and 261 healthy subjects aged 10-28 years and the diagnosis of MRG was made based on clinical features. RESULTS The examination indicated that 13 (6.43%) diabetic patients and 4 (1.53%) of control group had MRG.There was a significant difference in the prevalence of MRG, between patients and control group. MRG showed no association with other variables (age, sex, duration of DM, drugs, FBS, A1C). CONCLUSION In the present study the prevalence of MRG in diabetics was much higher than that of controls.
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Affiliation(s)
- J Ghabanchi
- Department of Oral Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - A Andisheh Tadbir
- Department of Oral Pathology, Shiraz University of Medical Sciences, Shiraz, Iran,Correspondence: Azadeh Andisheh Tadbir, DMD, MSc, Department of Oral Pathology, Dental School,Ghasrodasht Avenue, Shiraz, Iran. Tel.: +98-711-6263193-4, E-mail:
| | - R Darafshi
- Department of Oral Prosthodontics, Dental School, Shiraz University of Medical Sciences, Shiraz, Iran
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Krasteva A, Panov V, Krasteva A, Kisselova A, Krastev Z. Oral Cavity and Systemic Diseases— Diabetes Mellitus. BIOTECHNOL BIOTEC EQ 2011. [DOI: 10.5504/bbeq.2011.0022] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Surdacka A, Ciężka E, Pioruńska-Stolzmann M, Wender-Ożegowska E, Korybalska K, Kawka E, Kaczmarek E, Witowski J. Relation of salivary antioxidant status and cytokine levels to clinical parameters of oral health in pregnant women with diabetes. Arch Oral Biol 2010; 56:428-36. [PMID: 21145038 DOI: 10.1016/j.archoralbio.2010.11.005] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2010] [Revised: 10/21/2010] [Accepted: 11/14/2010] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Both pregnancy and diabetes are thought to predispose to the impairment of oral health. As saliva contributes to oral homeostasis, we have characterised its properties and flow rate in pregnant women with or without diabetes. DESIGN Unstimulated whole mixed saliva was collected from 63 women in the first trimester of pregnancy and analysed for the concentration of selected antioxidants, cytokines, and growth factors. RESULTS Pregnant women with diabetes were found to have markedly increased indexes of caries activity, plaque formation, gingival and periodontal status, as well as increased salivary antioxidant capacity and pro-inflammatory cytokine levels. These changes were more pronounced in patients with long-term disease and systemic diabetic complications, but only partly correlated with the level of blood glycated haemoglobin. Of the cytokines examined, salivary VEGF and HGF concentrations in diabetic pregnant women correlated in a positive and negative manner, respectively, with the prevalence of caries. Moreover, VEGF levels in this group correlated inversely with the probing depth and clinical attachment levels. All such associations did not occur in healthy individuals. In contrast, the salivary pH and flow rate correlated inversely with several parameters of caries and plaque formation irrespectively of whether the pregnant women were diabetic or not. CONCLUSIONS Diabetes in pregnant women significantly changes saliva properties, which may contribute to accelerated deterioration of the oral status in this population.
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Affiliation(s)
- Anna Surdacka
- Department of Conservative Dentistry and Periodontology, Poznan University of Medical Sciences, Poznan, Poland
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Meisel P, Dau M, Sümnig W, Holtfreter B, Houshmand M, Nauck M, Kocher T. Association between glycemia, serum lipoproteins, and the risk of oral leukoplakia: the population-based Study of Health in Pomerania (SHIP). Diabetes Care 2010; 33:1230-2. [PMID: 20215451 PMCID: PMC2875428 DOI: 10.2337/dc09-1262] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Oral leukoplakia is an oral lesion with a premalignant character. Besides smoking and alcohol, diabetes could be a risk factor. The aim is to search for such an association. RESEARCH DESIGN AND METHODS Subjects with leukoplakia (N = 123) from the population-based Study of Health in Pomerania (SHIP) were matched 1:2 for age and sex with unaffected control subjects. Behavioral and lifestyle factors were assessed by a questionnaire. Lipoprotein concentrations, glycemia, and inflammation parameters were determined. RESULTS Subjects with oral leukoplakia showed higher levels of diabetes-related metabolites, a higher LDL/HDL cholesterol ratio (P = 0.004), and higher A1C (P = 0.002), and they were more frequently smokers (P < 0.001). Assessed by conditional logistic regression, the probability of leukoplakia increases with current smoking (odds ratio 2.20 [95% CI 1.16-4.17]) and higher levels of A1C (1.51 [95% CI 1.08-2.12]), revealing interaction between both factors (P = 0.012). CONCLUSIONS Diabetes is associated with the risk of oral leukoplakia, which is exaggerated by smoking. The risk is positively correlated with A1C concentrations.
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Affiliation(s)
- Peter Meisel
- Dental Clinics, Unit of Periodontology, University of Greifswald, Greifswald, Germany.
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Kesić L, Petrović D, Obradović R, Gasić J, Todorović K. [Diabetes mellitus and periodontal disease]. MEDICINSKI PREGLED 2009; 62:534-538. [PMID: 20491379 DOI: 10.2298/mpns0912534k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
INTRODUCTION This review highlights the relations between diabetes mellitus and periodontal disease, as well as the pathogenic mechanisms which are still the subject of investigations. The possible pathogenic mechanisms important for developing periodontal disease in the diabetics are: vascular gingival changes, the disorders in the metabolism of the collagen, disorders in the function of the polimorphonuclear leukocytes and specific microbial flora in the parodontal pockets. CONCLUSION It is clear that adequate early recognition and good treatment are very important and significant for treatment of diabetic periodontal disease.
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Affiliation(s)
- Ljiljana Kesić
- Odeljenje za oralnu medicinu i parodontologiju, Medicinski fakultet, Klinika za stomatologiju, Nis
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Tavares DMDS, Drumond FR, Pereira GDA. Condições de saúde de idosos com diabetes no município de Uberaba, Minas Gerais. TEXTO & CONTEXTO ENFERMAGEM 2008. [DOI: 10.1590/s0104-07072008000200017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Este estudo, do tipo inquérito domiciliar, teve como objetivo comparar as condições de saúde dos idosos com Diabetes Mellitus, segundo as variáveis sexo e faixa etária. Participaram 417 idosos, entrevistados no domicílio, no período de dezembro 2005 a fevereiro 2006. Os dados foram analisados através de freqüência simples e teste qui-quadrado (p < 0,05). A maioria dos idosos possuía de 60 a 70 anos (50,1%), era mulher (71,2%) e fazia uso de medicamentos (96,1%). Os principais problemas de saúde foram a hipertensão arterial (75,5%), os problemas de visão (73,6%) e de coluna (56,4%). As mulheres consideram a autopercepção da saúde má ou péssima e referem o custo dos remédios como problema para a sua aquisição, quando comparada aos homens, diferença estatisticamente significativa. Conforme elevou-se a faixa etária, verificou-se maior proporção de idosos que utilizam aparelhos, com problemas de coluna e que usavam diuréticos.
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Silva JAF, Lorencini M, Reis JRR, Carvalho HF, Cagnon VHA, Stach-Machado DR. The influence of type I diabetes mellitus in periodontal disease induced changes of the gingival epithelium and connective tissue. Tissue Cell 2008; 40:283-92. [PMID: 18439638 DOI: 10.1016/j.tice.2008.02.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2007] [Revised: 01/29/2008] [Accepted: 02/13/2008] [Indexed: 02/09/2023]
Abstract
Periodontal disease constitutes the most frequent chronic diseases in human dentition. Bacterial plaque is the main etiologic agent, although it is the host immune response that causes periodontal tissue destruction. Diabetes is considered an important risk factor, not only for the onset but also for progression of the disease. The aim of this study was to analyze structural changes in the rat gingival epithelium and connective tissue in response to the experimental periodontal disease induced by the ligature technique, under the influence of diabetes. The results showed that experimental periodontal disease is characterized by marked inflammation, affecting both the epithelial and connective tissues, causing degeneration of the dermal papilla, increase in the number of inflammatory cells, destruction of reticulin fibers, and accumulation of dense collagen fibers (fibrosis). These changes were worsened by diabetes, apparently by hampering the inflammatory response and affecting tissue repair of the affected tissues.
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Affiliation(s)
- J A F Silva
- Department of Microbiology and Immunology, State University of Campinas, Campinas, SP, Brazil
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Silva JAF, Lorencini M, Peroni LA, De La Hoz CLR, Carvalho HF, Stach-Machado DR. The influence of type I diabetes mellitus on the expression and activity of gelatinases (matrix metalloproteinases-2 and -9) in induced periodontal disease. J Periodontal Res 2008; 43:48-54. [PMID: 18230106 DOI: 10.1111/j.1600-0765.2007.00993.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND OBJECTIVE Periodontal disease corresponds to a group of lesions that affect the tooth-supporting tissues present in the dental follicle. Although bacterial plaque is important, the immune response also contributes to the destruction of periodontal tissues. Diabetes mellitus is closely associated with the development, progression and severity of periodontal disease because it not only affects extracellular matrix organization but also the tissue response to inflammation. The objective of the present investigation was to study the influence of diabetes on experimental periodontal disease by evaluating the degradation of extracellular matrix through the analysis of matrix metalloproteinase (MMP)-2 and MMP-9 expression and activity, using immunofluorescence, zymography and real-time reverse transcription-polymerase chain reaction. MATERIAL AND METHODS Wistar rats were divided into normal and diabetic groups and evaluated 0, 15 and 30 d after the induction of periodontal disease by ligature. RESULTS MMP-2 and -9 were detected in epithelial cells, in the blood vessel endothelium and in connective tissue cells. The same profile of enzymatic expression of MMP-2 and -9 was observed in normal and diabetic animals, with a peak in activity at day 15 of inflammation. However, in diabetic animals, MMP-2 gelatinolytic activity was reduced after the inflammatory stimulus, whereas that of MMP-9 was increased. MMP-2 gene expression decreased with inflammation in both normal groups and groups with diabetes. In contrast, MMP-9 expression increased in normal animals and decreased in diabetic animals after inflammation. CONCLUSION The results suggest the involvement of MMP-2 and -9 in the dynamics of periodontal disease and that variation in their expression levels results in differences in tissue organization and wound healing in normal and diabetic animals.
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Affiliation(s)
- J A F Silva
- Departmento de Microbiologia e Imunologia, Universidade Estadual de Campinas (UNICAMP), Campinas, SP, Brazil
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Seyhan M, Ozcan H, Sahin I, Bayram N, Karincaoğlu Y. High prevalence of glucose metabolism disturbance in patients with lichen planus. Diabetes Res Clin Pract 2007; 77:198-202. [PMID: 17275122 DOI: 10.1016/j.diabres.2006.12.016] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2005] [Revised: 08/16/2006] [Accepted: 12/11/2006] [Indexed: 11/19/2022]
Abstract
AIM To establish the prevalence of diabetes mellitus (DM) and insulin resistance in patients with lichen planus (LP), and to examine whether diabetic status showed any relation with the type of LP. PATIENTS AND METHODS Thirty patients with LP and 30 age, weight, and sex matched volunteers were included. Serum fasting glucose, insulin, hemoglobin A1c levels were determined, a standard oral glucose tolerance test (OGTT) was performed. RESULTS Of patients with LP, eight (26.7%) had DM (four newly diagnosed), however, only one (3.33%) diagnosed as DM in control group (p=0.007). Six patients (20.0%) with LP and four healthy persons (13.3%) had IGT (p>0.05). Glucose metabolism disturbance (DM+IGT) was detected in 14 (46.7%) of the patients and in 5 (16.7%) of the controls (p=0.026). HbA1c, fasting serum glucose, and insulin resistance (HOMA) were statistically higher in patients compared to controls. CONCLUSION Our finding documented that approximately one half of the patients with LP had glucose metabolism disturbance, and one fourth had DM. We believe that further studies are needed to explain this close relationship between DM and LP.
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Affiliation(s)
- Muammer Seyhan
- Inonu University, Medical Faculty, Department of Dermatology, 44069 Malatya, Turkey.
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Kronka MC, Watanabe I, Lopes MGO, Silva MCP. Palatine Mucosa of Aging and Experimentally Induced Diabetic Aging Rabbits: Light-Microscopic, Scanning Electron Microscopic and Transmission Electron Microscopic Qualitative Study. Gerontology 2006; 52:199-203. [PMID: 16849862 DOI: 10.1159/000093651] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2005] [Accepted: 01/29/2006] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Data associating palatine mucosa, microvascular architecture, aging and diabetes mellitus are few, so the aim of the present study was to examine these conditions structurally and ultrastructurally. METHODS We used 18 female rabbits, aged about 2 years at the beginning of the experiment, distributed into 2 groups: aging diabetic and aging animals, prepared by three different methodologies: light microscopy, scanning electron microscopy and transmission electron microscopy. The samples were stained with hematoxylin-eosin for light microscopy, and for scanning electron microscopy, we used Mercox Cl-2B vascular corrosion casts. For transmission electron microscopy, the specimens were fixed and embedded in Epon 812 resin. RESULTS Under light microscopy, we noted small amounts of underdeveloped connective papillae and significant flattened areas through the epithelium-connective tissue interface in the aging diabetic group. Larger blood vessels were deeply located in the palatine mucosa, branching off in the direction of the epithelium-connective tissue interface. Capillaries followed the interface contour. In both groups, vascular corrosion casts revealed capillaries sprouting out in disorganized rows but parallel between themselves. 'Hair-pin' capillary loops and convoluted capillary loops were noted. CONCLUSION The aging diabetic group showed rarefying microvasculature areas with complex tortuous capillary loops. Transmission electron microscopy results showed that the aging diabetic group presented small cytoplasmatic projections directed to the vessel lumen and micropinocytic vesicle, i.e. caveolas. Epithelium-connective tissue interface, connective papillae, microangioarchitecture, and information about endothelial cells alterations were observed in the aging diabetic and aging animals.
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Affiliation(s)
- M C Kronka
- Department of Anatomy, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.
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Chuang SF, Sung JM, Kuo SC, Huang JJ, Lee SY. Oral and dental manifestations in diabetic and nondiabetic uremic patients receiving hemodialysis. ACTA ACUST UNITED AC 2005; 99:689-95. [PMID: 15897855 DOI: 10.1016/j.tripleo.2004.06.078] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECTIVE The aim of this study was to examine the dental condition and oral manifestations in diabetic and nondiabetic uremic patients undergoing hemodialysis. STUDY DESIGN A total of 128 patients undergoing hemodialysis therapy were classified into the diabetic and nondiabetic groups and examined for uremic oral manifestations, dental caries, and the periodontal status. All the patients received predialytic salivary pH examination. In the diabetic group, the correlation between oral findings and glycemic controlled levels, which was collected based on Hb A1C values, were further studied. RESULTS The diabetic group exhibited significantly higher prevalence of caries and more severe dry mouth, taste change, and mucosa pain than the nondiabetic group. The diabetic group tended to have lower predialytic salivary pH, and patients with poor glycemic control (ie, Hb A1C > 9%) showed higher incidence of dry mouth, mucosal pain, and tongue coating. However, the DMFT and CPI index were not associated with glycemic control in the diabetic group. CONCLUSIONS This study reveals that diabetic uremic patients undergoing maintained hemodialysis exhibited a potentially higher risk for dental decay and xerostomia. Lower salivary pH and poor glycemic control may affect oral manifestations. Further research is needed to clarify the combined influence of diabetic nephropathy on oral health.
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Affiliation(s)
- Shu-Fen Chuang
- Department of Dentistry, National Cheng Kung University Hospital, Tainan 70428, Taiwan.
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Abstract
AIMS To investigate the relationship between caries risk and glucosylated haemoglobin and to evaluate the use of a computerized caries risk assessment program as a predictor of metabolic control in schoolchildren with Type 1 diabetes mellitus. METHODS The material consisted of 64 young Type 1 diabetes mellitus patients (8-16 years) attending an outpatient paediatric clinic. Within 2 weeks after the onset of diabetes, a caries risk assessment was carried out with the aid of a computer-based program (Cariogram) and data on the level of metabolic control were collected from the medical records at the 3-year check-up. Caries increment was registered at recall clinical examinations. RESULTS A statistically significant positive relationship between caries risk and metabolic control was found (r = 0.51; P < 0.01), with a sevenfold increased risk of impaired metabolic control after 3 years in those assessed with high caries risk at onset (OR 7.3; P < 0.01). When the Cariogram was used as a predictor for the metabolic state of the disease, the sensitivity and specificity was 75% and 71%, respectively. The negative predictive value was 91%. CONCLUSIONS Our data suggested that a caries risk assessment at the diagnosis of diabetes mellitus in children may be a good indicator of overall health care that can provide useful prognostic information on the level of metabolic control after 3 years.
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Affiliation(s)
- S Twetman
- Department of Odontology, Paediatric Dentistry, Faculty of Medicine, Umeå University, Umeå, Sweden.
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Manfredi M, McCullough MJ, Vescovi P, Al-Kaarawi ZM, Porter SR. Update on diabetes mellitus and related oral diseases. Oral Dis 2004; 10:187-200. [PMID: 15196139 DOI: 10.1111/j.1601-0825.2004.01019.x] [Citation(s) in RCA: 86] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Diabetes mellitus (DM) is a group of complex multisystem metabolic disorders characterized by a relative or absolute insufficiency of insulin secretion and/or concomitant resistance to the metabolic action of insulin on target tissues. The chronic hyperglycaemia of diabetes is associated with long-term systemic dysfunction. The present article summarizes current knowledge of DM and details the oral and dental implications of this common endocrine disorder.
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Affiliation(s)
- M Manfredi
- Oral Medicine Department, Eastman Dental Institute, UCL, London, UK.
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Ujpál M, Matos O, Bíbok G, Somogyi A, Szabó G, Suba Z. Diabetes and oral tumors in Hungary: epidemiological correlations. Diabetes Care 2004; 27:770-4. [PMID: 14988300 DOI: 10.2337/diacare.27.3.770] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Numerous publications have already demonstrated that diabetes is a risk factor for the development of periodontal diseases and various inflammatory lesions in the oral mucosa. A possible correlation between diabetes and oral premalignancies and tumors was examined in this study, as no literature data are available concerning this problem. RESEARCH DESIGN AND METHODS Stomato-oncological screening was carried out on 200 diabetic patients in the medical departments; the control group included 280 adult dentistry outpatients. The lesions found were classified into three groups: inflammatory lesions, benign tumors, and precancerous lesions. A retrospective diabetes screening of 610 inpatients with histologically confirmed oral malignancies was also performed. The control group comprised 574 complaint- and tumor-free adults. Fasting blood glucose levels were determined in both groups, and the tumor location was registered in the cancer patients. RESULTS Benign tumors were found in 14.5% and precancerous lesions in 8% of diabetic patients. In the control group these values were significantly lower, at 6.4 and 3.2%, respectively (P>0.01). Earlier Hungarian screening studies indicated similar frequency of these lesions in the general population. The proportion of oral cavity lesions was higher among diabetic patients compared with that of the control patients. In the oral cancer patient group, diabetes was present in 14.6% and an elevated blood glucose level in 9.7%. These values are significantly higher than those for the tumor-free control group (P<0.01). The gingival and labial tumor location was significantly more frequent among diabetic cancer patients than in the nondiabetic group (P<0.01). The combination of diabetes and smoking means a higher risk for oral precancerous lesions and malignancies. CONCLUSIONS Diabetes may be a risk factor for oral premalignancies and tumors.
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Affiliation(s)
- Márta Ujpál
- Department of Oral and Maxillofacial Surgery, Semmelweis University, Budapest, Hungary.
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Dietrich T, Reichart PA, Scheifele C. Clinical risk factors of oral leukoplakia in a representative sample of the US population. Oral Oncol 2004; 40:158-63. [PMID: 14693239 DOI: 10.1016/s1368-8375(03)00145-3] [Citation(s) in RCA: 89] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Studies on the risk factors of oral leukoplakia (OL) are relatively scarce. The objectives of this paper are to assess the clinical risk factors of OL in a representative sample of the US population. Data from the oral mucosal tissue assessment and some other covariates of 15,811 participants in the US National Health and Nutrition Examination Survey (NHANES III) were included. The clinical definition of OL was applied according to the WHO criteria. Tobacco smoking was found as the strongest independent risk factor. The OR were 3.00 (0.77-11.8) for < or =10 cigarettes/day up to 6.01 (2.4-15.0) for >20 cigarettes/day. Diabetes, age and socio-economic status were found as independent predictors of OL. Alcohol consumption, race/ethnicity, years of education and BMI showed no independent association with OL. Females with a history of estrogen use were less likely to have OL with an OR of 0.34 (0.11-1.07). In conclusion, the role of diabetes and estrogen in the pathogenesis of OL should be further investigated.
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Affiliation(s)
- Thomas Dietrich
- Department of Oral Surgery and Dental Radiology, Campus Virchow, Medical Faculty Charité, Humboldt University, Augustenburger Platz 1, 13353 Berlin, Germany.
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Current literature in diabetes. Diabetes Metab Res Rev 2002; 18:162-9. [PMID: 11994909 DOI: 10.1002/dmrr.244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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