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Alsheekhly B, Namdari M, Abbas MJ, Ghasemi H. Knowledge of and Attitude Toward Preventive Care Among Iraqi Dentists and Senior Dental Students: A Cross-Sectional Study. Cureus 2024; 16:e65120. [PMID: 39171048 PMCID: PMC11338477 DOI: 10.7759/cureus.65120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/22/2024] [Indexed: 08/23/2024] Open
Abstract
OBJECTIVES Acquiring knowledge and maintaining a positive mindset are essential for dental care providers to offer optimal dental services. Dental professionals are expected to follow preventive dentistry principles to ensure the best oral health maintenance for their patients, as prevention is a key component of public health initiatives. This study aims to assess the knowledge and attitudes toward preventive dental care among Iraqi dentists and senior dental students. METHODOLOGY A cross-sectional study, conducted from June to August 2023, involved 876 Iraqi dentists and 587 senior dental students in Baghdad, utilizing a physically paper-based self-administered questionnaire. Participants' level of knowledge was assessed based on a 5-point Likert scale to 12 statements on preventive dental care. Their attitudes were inquired by selecting one option from a 7-point Likert scale on four pairs of bipolar adjectives describing preventive dentistry. Higher scores were considered more accurate knowledge and more positive attitudes. Statistical evaluation included the Chi-square test and regression analysis. RESULTS In total, data from 841 dentists and 567 students were analyzed (response rate: 96%). Around 90% of dentists (N=745) and students (N=502) acknowledged the impact of sugar, sealant, and water fluoridation on dental caries, but about 80% of dentists (N=662) and students (N=446) undervalued the role of fluoridated toothpaste. Women (OR=1.4, 95% CI: 1.02-2.1) and dentists, within one year of their graduation (OR=1.9, 95% CI: 1.1-3.5), exhibited higher levels of knowledge. More favorable attitudes towards preventive dentistry were associated with a higher level of knowledge among dentists (OR=1.6, 95% CI: 1.2-2.3). Regarding dental students, those from private dental schools showed higher scores of knowledge than their counterparts from public schools (OR=2.1, 95% CI: 1.3-3.4). The majority of participants held the belief that preventive dentistry is beneficial for the community but just about 60% of dentists (N=477) and students (N=300) exhibited a positive attitude toward the economic advantages of preventive dentistry for dentists, as well as the ease of engaging in preventive dental practices. CONCLUSIONS The dentists and dental students in this study demonstrated satisfactory knowledge and a favorable attitude toward most aspects of preventive dentistry. However, deficiencies were noted in certain areas, such as the application of topical fluoride for preventing dental caries, as well as a substantial proportion of individuals who lacked a positive perspective on the economic benefits of preventive dentistry. Hence, there is a clear need for educational interventions during their undergraduate training and postgraduate continuing education to enhance their knowledge levels and cultivate a more positive attitude towards preventive dentistry.
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Affiliation(s)
- Bassam Alsheekhly
- Department of Community Oral Health, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, IRN
| | - Mahshid Namdari
- Department of Epidemiology, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, IRN
| | - Maha Jamal Abbas
- Department of Orthodontics, Pedodontics and Preventive Dentistry, College of Dentistry, Mustansiriyah University, Baghdad, IRQ
| | - Hadi Ghasemi
- Department of Community Oral Health, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, IRN
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Al-Sagheer RM, Addie AJ, Al-Taee LA. An in vitro assessment of the residual dentin after using three minimally invasive caries removal techniques. Sci Rep 2024; 14:7087. [PMID: 38528204 DOI: 10.1038/s41598-024-57745-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Accepted: 03/21/2024] [Indexed: 03/27/2024] Open
Abstract
To evaluate the efficiency and effectiveness of three minimally invasive (MI) techniques in removing deep dentin carious lesions. Forty extracted carious molars were treated by conventional rotary excavation (control), chemomechanical caries removal agent (Brix 3000), ultrasonic abrasion (WOODPECKER, GUILIN, China); and Er, Cr: YSGG laser ablation (BIOLASE San Clemente, CA, USA). The assessments include; the excavation time, DIAGNOdent pen, Raman spectroscopy, Vickers microhardness, and scanning electron microscope combined with energy dispersive X-ray spectroscopy (SEM-EDX). The rotary method recorded the shortest excavation time (p < 0.001), Brix 3000 gel was the slowest. DIAGNOdent pen values ranged between 14 and 18 in the remaining dentin and laser-ablated surfaces recorded the lowest reading (p < 0.001). The Ca:P ratios of the remaining dentin were close to sound dentin after all excavation methods; however, it was higher in the ultrasonic technique (p < 0.05). The bur-excavated dentin showed higher phosphate and lower matrix contents with higher tissue hardness that was comparable to sound dentin indicating the non-selectiveness of this technique in removing the potentially repairable dentin tissue. In contrast, the MI techniques exhibited lower phosphate and higher organic contents associated with lower microhardness in the deeper dentin layers. This was associated with smooth residual dentin without smearing and patent dentinal tubules. This study supports the efficiency of using MI methods in caries removal as conservative alternatives to rotary excavation, providing a promising strategy for the clinical dental practice.
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Affiliation(s)
- Rand Mohammed Al-Sagheer
- Department of Conservative and Aesthetic Dentistry, Baghdad College of Dentistry, University of Baghdad, Baghdad, Iraq
| | - Ali J Addie
- Centre of Advanced Materials, Ministry of Science and Technology, Baghdad, Iraq
| | - Lamis A Al-Taee
- Department of Conservative and Aesthetic Dentistry, Baghdad College of Dentistry, University of Baghdad, Baghdad, Iraq.
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Albashaireh ZSM, Maghaireh GA, Alsaafeen HN. Effects of silane coupling treatment on the clinical performance of direct repaired resin-based composite (RBC) restorations with or without prior surface sandblasting: A randomized controlled trial. J Dent 2023; 139:104740. [PMID: 37816489 DOI: 10.1016/j.jdent.2023.104740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 10/06/2023] [Accepted: 10/07/2023] [Indexed: 10/12/2023] Open
Abstract
OBJECTIVE To evaluate the effects, of using silane coupling agent within the procedures of repairing old composite restorations with or without sandblasting their surfaces, on the clinical performance of repaired composite restorations. METHODS The study involved repairing 130 Class I and II defective composite restorations. After recurrent caries removal, the repair process included etching with 37 % phosphoric acid, Adper Single Bond 2 application for bonding and Filtek Z250 composite for restoring all defects. The restoration surfaces were subjected to one of the following additional surface treatments within the repair process: Control: No additional treatment; the Silane-Adhesive treatment: A separate step involved the application of a silane coupling agent after acid etching; and the Sandblast-Silane-Adhesive treatment: included intra-oral sandblasting of old composite surfaces followed by silane application. Two calibrated examiners evaluated all repaired restorations according to a modified USPHS criteria after 6 months. Comparisons of the clinical performance between the treatment groups were made using Chi-square test, while responses to cold tests before and after repair treatment were made using Wilcoxon's Signed Rank's (α = 0.05). RESULTS Of 130 cases, only 116 cases turned up for evaluation. The primary reasons for composite repair were recurrent caries and anatomical deficiencies. No statistically significant differences were found between the groups for all clinical criteria (p > 0.05). The control group experienced one total and two partial retention losses. CONCLUSIONS The application of a silane coupling agent, with or without intra-oral sandblasting, demonstrated no improvement on the clinical performance of repaired posterior composites after 6-months. CLINICAL SIGNIFICANCE Surface treatment of defective composite restorations using silane with intra-oral sandblasting within their repair process offered marginal improvement in their clinical performance over conventional etching technique, but insignificantly so. Repair reduced exaggerated cold test responses and eliminated POS within 6-months. Repair reduces cold sensitivity and promotes restoration longevity. This clinical trial was registered at ClinicalTrials.gov with the registration number NCT06005571.
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Affiliation(s)
- Zakereyya S M Albashaireh
- Department of Conservative Dentistry, Faculty of Dentistry, Jordan University of Science & Technology, P.O. BOX 3030, Irbid 22110, Jordan.
| | - Ghada A Maghaireh
- Department of Conservative Dentistry, Faculty of Dentistry, Jordan University of Science & Technology, P.O. BOX 3030, Irbid 22110, Jordan
| | - Hala N Alsaafeen
- Department of Conservative Dentistry, Faculty of Dentistry, Jordan University of Science & Technology, P.O. BOX 3030, Irbid 22110, Jordan
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Lin WS, Alfaraj A, Lippert F, Yang CC. Performance of the caries diagnosis feature of intraoral scanners and near-infrared imaging technology-A narrative review. J Prosthodont 2023; 32:114-124. [PMID: 37701946 DOI: 10.1111/jopr.13770] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 09/11/2023] [Indexed: 09/14/2023] Open
Abstract
PURPOSE To describe and discuss the benefits and drawbacks of various dental caries diagnostic techniques, including the use of intraoral scanners for caries diagnosis based on near-infrared imaging (NIR) technology. MATERIAL AND METHODS A MEDLINE search from 1980-2023 focused on dental caries diagnostic techniques, emphasizing intraoral scanners using NIR technology. Alternative caries detection methods were also evaluated for their advantages and limitations, enabling a comparison with NIR. The review included traditional caries tools, the latest detection methods, and NIR's role in intraoral scanners, drawing from case reports and both in vivo and in vitro studies. Keywords like "caries detection," "intraoral scanners," and "Near Infrared Imaging (NIRI)" guided the search. After screening titles and abstracts for relevance, full texts with valuable insights were thoroughly analyzed. The data was grouped into three: traditional diagnostics, advanced digital methods, and intraoral scanner-based detection. RESULTS This comprehensive narrative review described and discussed the current state of dental caries diagnostic methods, given the insufficient number of clinical investigations suitable for a systematic review. Traditional caries diagnosis techniques have shown variable accuracy dependent on a dentist's experience and the potential over-removal of healthy tooth structures. Intraoral scanners have emerged as a novel caries detection method, because of their integration of NIR technology. Various studies have confirmed the efficacy of NIR in detecting interproximal caries and in the early diagnosis of non-cavitated caries. Specifically, intraoral scanners have demonstrated promising results, proving comparable to established diagnostic methods like bitewing radiography. Nevertheless, while the integration of NIR into intraoral scanners seems promising, the technology still faces challenges, notably its accuracy in detecting secondary and subgingival cavities. However, with anticipated integrations of AI, NIR in intraoral scanners could revolutionize early caries detection. CONCLUSIONS Intraoral scanners with NIR technology offer non-destructive imaging, real-time lesion visuals, and enhanced patient communication. Although comparable to bitewing radiography in some studies, a universally accepted diagnostic tool is lacking. Future research should compare them with existing methods, focusing on clinical outcomes, cost-effectiveness, and patient acceptance.
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Affiliation(s)
- Wei-Shao Lin
- Department of Prosthodontics, Indiana University School of Dentistry, Indianapolis, Indiana, USA
| | - Amal Alfaraj
- Department of Prosthodontics, Indiana University School of Dentistry, Indianapolis, Indiana, USA
| | - Frank Lippert
- Department of Cariology, Operative Dentistry, and Dental Public Health, Oral Health Research Institute, Indiana University School of Dentistry, Indianapolis, Indiana, USA
| | - Chao-Chieh Yang
- Department of Prosthodontics, Indiana University School of Dentistry, Advanced Education Program in Prosthodontics, Indianapolis, Indiana, USA
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Al-Badri H, Al-Shammaree SA, Banerjee A, Al-Taee LA. The in-vitro development of novel enzyme-based chemo-mechanical caries removal agents. J Dent 2023; 138:104714. [PMID: 37734529 DOI: 10.1016/j.jdent.2023.104714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/09/2023] [Accepted: 09/18/2023] [Indexed: 09/23/2023] Open
Abstract
OBJECTIVES Bromelain is a potent proteolytic enzyme that has a unique functionality makes it valuable for various therapeutic purposes. This study aimed to develop three novel formulations based on bromelain to be used as chemomechanical caries removal agents. METHODS The novel agents were prepared using different concentrations of bromelain (10-40 wt. %), with and without 0.1-0.3 wt. % chloramine T or 0.5-1.5 wt. % chlorhexidine (CHX). Based on the enzymatic activity test, three formulations were selected; 30 % bromelain (F1), 30 % bromelain-0.1 % chloramine (F2) and 30 % bromelain-1.5 % CHX (F3). The assessments included molecular docking, Fourier-transform infrared spectroscopy (FTIR), viscosity and pH measurements. The efficiency of caries removal was assessed by DIAGNOdent pen, measuring the excavation time and number of applications, followed by a morphological evaluation of the remaining dentine using scanning electron microscopy (SEM). The results were compared to Brix 3000 as a control. RESULTS The chloramine and chlorhexidine were chemically compatible with bromelain without compromising the enzyme activity. All experimental formulations showed higher viscosity and pH in comparison to Brix 3000. The DIAGNOdent readings were <20 in all groups, and the lowest readings were observed in F2. The excavation time and number of applications were lowest in F2 and F1. Both F2 and F3 produced smooth dentine surfaces with less tissue debris, but more patent dentine tubules were observed in F1 and F2. CONCLUSIONS The bromelain-contained formulations showed a potential to be used as chemomechanical caries removal agents in vitro. Further laboratory and clinical studies are needed to validate this claim. CLINICAL SIGNIFICANCE The bromelain from pineapple stem has broad specificity for cleavage the peptide bonds in denatured protein to facilitate their removal. The study proved the efficiency of this enzyme to remove the dental caries chemomechanically when used alone or conjugated with chloramine and/or chlorhexidine to enhance the disinfecting and cleansing properties.
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Affiliation(s)
- Huda Al-Badri
- Department of Conservative and Aesthetic Dentistry, Baghdad College of Dentistry, University of Baghdad, Baghdad, Iraq
| | | | - Avijit Banerjee
- Centre for Oral Clinical & Translational Sciences, King's College London, Guy's Hospital, London, UK
| | - Lamis A Al-Taee
- Department of Conservative and Aesthetic Dentistry, Baghdad College of Dentistry, University of Baghdad, Baghdad, Iraq.
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Chan EK, Wah YY, Lam WYH, Chu CH, Yu OY. Use of Digital Diagnostic Aids for Initial Caries Detection: A Review. Dent J (Basel) 2023; 11:232. [PMID: 37886917 PMCID: PMC10605137 DOI: 10.3390/dj11100232] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 09/22/2023] [Accepted: 09/25/2023] [Indexed: 10/28/2023] Open
Abstract
The advance in digital diagnostic technologies has significantly facilitated the detection of dental caries. Despite the increase in clinically available digital diagnostic aids for dental caries, there is yet to be a comprehensive summary of all available technology. This review aims to provide an overview of digital diagnostic aids for the clinical detection of dental caries, particularly those at an initial stage. Currently available digital diagnostic aids for caries detection can be classified into four categories according to the initial source of energy, including radiation-based aids, light-based aids, ultrasound-based aids, and electric-based aids. Radiation-based aids use ionizing radiation, normally X-ray, to produce images of dental structures. Radiation-based aids encompass digital bitewing radiography and cone beam computed tomography. Light-based aids employ light or laser to induce signals for the detection of the changes in the carious dental hard tissue. Common light-based aids include digital transillumination and light/laser-induced fluorescence. Ultrasound-based aids detect the signal of ultrasound waves to assess the acoustic impedance of the carious teeth. The ultrasound caries detector is an available ultrasound-based aid. Electric-based aids assess the changes in the electric current conductance or impedance of the teeth with caries. Available electric-based aids include electrical conductance measurement and alternating current impedance spectroscopy. Except for these clinically available digital diagnostic aids, many digital diagnostic aids for caries detection are still under development with promising results in laboratory settings.
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Affiliation(s)
| | | | | | | | - Ollie Yiru Yu
- Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China (W.Y.-H.L.); (C.-H.C.)
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Islam MS, Riadh Z, Al-Ajeeli DTA, Hossain A, Padmanabhan V, Rahman MM. Tracing of Microbes in Prepared Cavity Following Different Minimally Invasive Caries Removal Protocols. J Contemp Dent Pract 2023; 24:674-678. [PMID: 38152941 DOI: 10.5005/jp-journals-10024-3569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2023]
Abstract
AIMS The conventional caries removal technique has been replaced with minimally invasive (MI) techniques to preserve healthy natural teeth and to provide durable dental restorations. Each of these MI caries removal protocols is reported to be favorable in dealing with different caries conditions. The current study aimed to trace the residual bacteria that may remain in a prepared cavity following a visual-tactile (VT), caries detection dye (CDD), and chemo-mechanical caries removal (CMCR) protocol. MATERIALS AND METHODS A total of 29 extracted human molar teeth with visible caries lesions were randomly divided into three groups. The cavity preparation and caries removal of each group was accomplished following one of the MI caries removal protocols. Swab samples (one from each specimen) were taken and inoculated onto a blood agar plate and incubated for 48 hours. The growth of the bacterial colony was observed under a microscope and the specific genome of the bacteria was identified by polymerase chain reaction (PCR) test. RESULTS The maximum number of traceable bacteria was observed following the chemo-mechanical caries removal group followed by the caries detection dye group and the least in the visual-tactile group. The PCR test revealed the presence of Streptococcus mutans in all the observed colonies; however, Streptococcus sobrinus was absent completely. The Chi-square test reveals a statistically insignificant (p = 0.646) difference among the tested groups. CONCLUSION All of the MI caries removal protocols used in this study showed a trace of microbes in certain teeth. The cavity prepared following a visual tactile protocol showed the least amount of traceable bacteria in the prepared cavity. CLINICAL SIGNIFICANCE Cavity that is prepared following individual MI protocol has a risk of leaving microbes in it.
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Affiliation(s)
- Md Sofiqul Islam
- Department of Operative Dentistry, RAK College of Dental Sciences, RAK Medical and Health Sciences University, Ras Al-Khaimah, United Arab Emirates, Phone: +971 7 2222593, e-mail:
| | - Zainab Riadh
- Department of Operative Dentistry, RAK College of Dental Sciences, RAK Medical and Health Sciences University, Ras Al-Khaimah, United Arab Emirates
| | - Dina Thaer Abdulsalam Al-Ajeeli
- Department of Operative Dentistry, RAK College of Dental Sciences, RAK Medical and Health Sciences University, Ras Al-Khaimah, United Arab Emirates
| | - Ashfaque Hossain
- Department of Medical Microbiology and Immunology, RAK College of Medical Sciences, RAK Medical and Health Sciences University, Ras Al-Khaimah, United Arab Emirates
| | - Vivek Padmanabhan
- Department of Pediatric Dentistry, RAK College of Dental Sciences, RAK Medical and Health Sciences University, Ras Al-Khaimah, United Arab Emirates
| | - Muhammed Mustahsen Rahman
- Department of Periodontology, RAK College of Dental Sciences, RAK Medical and Health Sciences University, Ras Al-Khaimah, United Arab Emirates
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Ibrahim S, Taha R, Fawzi E. Effect of Miswak versus standard preventive measures for caries control of young Egyptian adults: A randomized controlled clinical trial. J Int Oral Health 2022. [DOI: 10.4103/jioh.jioh_359_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Current Novel Caries Diagnostic Technologies: Restorative Dentists' Attitude and Use Preferences. Healthcare (Basel) 2021; 9:healthcare9101387. [PMID: 34683068 PMCID: PMC8535563 DOI: 10.3390/healthcare9101387] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/02/2021] [Accepted: 10/14/2021] [Indexed: 11/17/2022] Open
Abstract
Early detection of caries lesions is key to a successful restorative dental treatment plan. The aim of this study was to investigate the preferences and attitude of graduate restorative dentistry residents (RDRs) regarding novel caries diagnostic technologies (NCDT) and to provide a brief overview of available technologies for both specialized and general dental practice. This cross-sectional study used an online questionnaire (17 questions) concerning RDRs’ attitude, preferences, and insights regarding five available NCDTs. It was distributed among twenty RDRs at a local government dental school following a review session about NCDTs. Collected responses were analyzed statistically using one-way analysis of variance (ANOVA), chi-squared with Bonferroni correction, and Kruskal-Wallis tests at a 0.05 significance level. Sixty-five percent of RDRs reported an interest in NCDTs as a discussion topic and almost half of them were positive towards their use, however, sixty percent of respondents were hesitant to diagnose caries solely using NCDTs. Fiber-optic-transillumination (FOTI) systems were ranked the best overall and with regard to all the investigated criteria (p < 0.05). Chosen reasons for FOTI included price followed by ease of use. In general, high price rated as the most perceived reason for not choosing a given NCDT followed by low practical applicability. Meanwhile, ease of use followed by relevant application ranked as the main reported reasons to choose an NCDTs.
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赵 思, 赵 晓, 张 杰, 王 党, 王 晓. [Preliminary evaluation of a virtual reality dental simulation system on training of caries identification ability]. BEIJING DA XUE XUE BAO. YI XUE BAN = JOURNAL OF PEKING UNIVERSITY. HEALTH SCIENCES 2020; 53:139-142. [PMID: 33550348 PMCID: PMC7867980 DOI: 10.19723/j.issn.1671-167x.2021.01.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Indexed: 06/12/2023]
Abstract
OBJECTIVE To develop a software based on "UniDental" system which is a virtual reality dental simulation system and applied to undergraduate majoring in stomatology to improve the ability of identifying caries. METHODS A software was developed applying to identify virtual dental caries based on UniDental system. In the software, a virtual dental caries model was designed and carious tissue was separated to 3 layers by the depth. The stiffness was the same within each layer which was increasing gradually layer by layer. The roughness was also the same within each layer which was decreasing gradually layer by layer. Sixty-four participants in pre-clinical stage of the class of 2014 majoring in stomatology from Peking University School of Stomatology were trained with the software. During the training, the students should probe on the virtual dental carious tissue layer by layer and feel the difference of vertical stiffness and horizontal roughness of each layer by using a handpiece with realistic force feedback. After training, a questionnaire survey was conducted to evaluate the software including a score of 1-5 for haptic fidelity of stiffness and roughness and their relevant gradient and benefit of improving the ability of identifying caries, choosing the preferred training method. The data were statistically analyzed using Kruskal-Wallis test. RESULTS The median of subjective evaluation scores of the proposed metrics were all "4", demonstrating that the software operated above medium fidelity. The stiffness scores of all 3 layers were statistically significant (P < 0.05) on the stiffness gradient score. The roughness scores of the 1st and 2nd layers were statistically significant (P < 0.05) on the roughness gradient score. The training was helpful to improve the ability of identifying caries (median was 4). The scores of all 3 layers stiffness and relevant gradient were statistically significant (P < 0.05) on the score of benefit of improving the ability of identifying caries. 90.4% of the participants preferred the traditional extracted teeth training method. CONCLUSION The virtual reality dental simulation system was helpful to improve students' ability of identifying caries. It couldn't replace the traditional extracted teeth training method by now, it should be used as a supplement to the traditional training method.
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Affiliation(s)
- 思铭 赵
- 北京大学口腔医学院·口腔医院,牙体牙髓科 国家口腔疾病临床医学研究中心 口腔数字化医疗技术和材料国家工程实验室 口腔数字医学北京市重点实验室, 北京 100081Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - 晓含 赵
- 北京航空航天大学虚拟现实技术与系统国家重点实验室, 北京 100191The State Key Lab of Virtual Reality Technology and Systems, Beihang University, Beijing 100191, China
| | - 杰 张
- 北京大学口腔医学院·口腔医院,牙体牙髓科 国家口腔疾病临床医学研究中心 口腔数字化医疗技术和材料国家工程实验室 口腔数字医学北京市重点实验室, 北京 100081Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - 党校 王
- 北京航空航天大学虚拟现实技术与系统国家重点实验室, 北京 100191The State Key Lab of Virtual Reality Technology and Systems, Beihang University, Beijing 100191, China
| | - 晓燕 王
- 北京大学口腔医学院·口腔医院,牙体牙髓科 国家口腔疾病临床医学研究中心 口腔数字化医疗技术和材料国家工程实验室 口腔数字医学北京市重点实验室, 北京 100081Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
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Sadasiva K, Kumar KS, Rayar S, Shamini S, Unnikrishnan M, Kandaswamy D. Evaluation of the Efficacy of Visual, Tactile Method, Caries Detector Dye, and Laser Fluorescence in Removal of Dental Caries and Confirmation by Culture and Polymerase Chain Reaction: An In Vivo Study. J Pharm Bioallied Sci 2019; 11:S146-S150. [PMID: 31198327 PMCID: PMC6555321 DOI: 10.4103/jpbs.jpbs_279_18] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Aim To determine the degree of association between visual and tactile methods of caries removal compared with caries detector dye and laser fluorescence device (DIAGNOdent), which detects the degree of demineralization; to determine the presence of Streptococcus mutans via culture and polymerase chain reaction (PCR) techniques; and to find a suitable method for caries removal. Materials and Methods A total of 75 patients were divided into three groups: visual and tactile (Group A), visual and tactile with caries detector dye (Group B), and visual and tactile with caries detector dye along with laser florescence readings (Group C). Caries removal was carried out using visual and tactile methods, caries detector dye, and laser fluorescence, and the samples obtained were subjected to culture and PCR. The data obtained were statistically analyzed using Pearson's chi-square test, analysis of variance (ANOVA), and Tukey's post hoc test. Results Visual and tactile along with caries detector dye and laser florescence (Group C) is the most efficient method for caries removal. Conclusion Caries detector dye along with visual, tactile examination and laser fluorescence is a valuable and superior tool for clinicians that aids in better caries removal and can prevent the overzealous removal of tooth structure.
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Affiliation(s)
- Kadandale Sadasiva
- Department of Conservative Dentistry and Endodontics, Chettinad Dental College and Research Institute, Kelambakkam, India
| | - Kumarappan Senthil Kumar
- Department of Conservative Dentistry and Endodontics, Chettinad Dental College and Research Institute, Kelambakkam, India
| | - Sreeram Rayar
- Department of Conservative Dentistry and Endodontics, Chettinad Dental College and Research Institute, Kelambakkam, India
| | - Sai Shamini
- Department of Conservative Dentistry and Endodontics, Madha Dental College and Hospital, Chennai, India
| | - Manu Unnikrishnan
- Department of Conservative Dentistry and Endodontics, Chettinad Dental College and Research Institute, Kelambakkam, India
| | - Deivanayagam Kandaswamy
- Department of Conservative Dentistry and Endodontics, Faculty of Dental Sciences, Sri Ramachandra University, Chennai, Tamil Nadu, India
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Pires CW, Lenzi TL, Soares FZM, Rocha RDO. Bonding of universal adhesive system to enamel surrounding real-life carious cavities. Braz Oral Res 2019; 33:e038. [PMID: 31141036 DOI: 10.1590/1807-3107bor-2019.vol33.0038] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 03/26/2019] [Indexed: 11/22/2022] Open
Abstract
This study aimed to evaluate the bond strength of a universal adhesive system to enamel surrounding real-life carious cavities. Twenty-eight permanent molars (n = 7) with carious lesions in dentin were subjected to selective carious tissue removal to firm dentin and had their crowns sectioned longitudinally. A universal adhesive system (Single Bond Universal [SBU] used in either etch-and-rinse and self-etch strategies) was compared with an etch-and-rinse Adper Single Bond 2 (ASB) and a self-etch Clearfil SE Bond (CSE) adhesive systems (control systems). Adhesives were applied on the enamel, assumed demineralized, surrounding the cavity margins and on sound enamel (control substrate). Composite cylinders were built (0.72 mm2) and microshear bond strength (µSBS) test was performed after 24 h of water storage. The µSBS values (MPa) were analyzed using two-way ANOVA and Tukey's post hoc tests (α = 0.05). Bond strength values obtained in demineralized enamel surrounding carious cavity margins were significantly lower than that obtained in sound enamel (distant from carious cavity margins) (p = 0.035). The bonding strategy of the SBU did not influenced the bond strength values, which were higher than that obtained with ASB. CSE showed similar µSBS values to ASB and SBU in the self-etch mode. In conclusion, the bond strength to enamel assumed demineralized is lower than to sound enamel. The enamel surrounding carious cavities jeopardize the bonding of universal adhesive system. The bond strength of universal adhesive is similar, regardless to bonding strategy.
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Affiliation(s)
- Carine Weber Pires
- Centro Universitário da Serra Gaúcha - FSG, School of Dentistry, Caxias do Sul, RS, Brazil
| | - Tathiane Larissa Lenzi
- Universidade Federal do Rio Grande do Sul, Department of Surgery and Orthopedics, Porto Alegre, RS, Brazil
| | - Fabio Zovico Maxnuck Soares
- Universidade Federal de Santa Maria - UFSM, School of Dentistry, Department of Restorative Dentistry, Santa Maria, RS, Brazil
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