Journal of International Society of Preventive and Community Dentistry最新文献

{"title":"Evaluation of Antimicrobial Efficiency, Shear Bond Strength, and Adhesive Remnant Index of TiO₂ Infiltrated Orthodontic Adhesive - An <i>In Vitro</i> Study.","authors":"L Harsha, Aravind Kumar Subramanian, S Pugalmani","doi":"10.4103/jispcd.jispcd_142_23","DOIUrl":"https://doi.org/10.4103/jispcd.jispcd_142_23","url":null,"abstract":"<p><strong>Background: </strong>Enamel demineralization is an unavoidable adverse effect encountered with bonding brackets in orthodontic therapy. Introducing nanoparticles into the composite adhesive paste can prevent enamel demineralization. Titanium dioxide (TiO₂) is known to exhibit direct antimicrobial efficiency. This study aimed to assess the antibacterial efficiency and shear bond strength (SBS) of an orthodontic bonding composite infiltrated with TiO₂ nanoparticles.</p><p><strong>Materials and methods: </strong>This <i>in vitro</i> study evaluated the efficiency of TiO₂ nanoparticle-incorporated light-curing orthodontic composite paste (ENLIGHT, ORMCO). Twenty extracted premolars were randomly and equally allocated to the two study groups, N = 10. While a conventional composite was utilized for the bonding brackets in Group I, a TiO_2-incorporated composite was used in Group 2. The adhesive remnant index (ARI) scores given by Artun and Bergland <i>et al.</i> and SBS were determined. Furthermore, the antimicrobial efficiency was estimated using the minimum inhibitory concentration (MIC)/minimum bactericidal concentration (MBC) and agar well diffusion assay for six composite disc specimens. The results were statistically analyzed using the chi-square test and Student's <i>t</i> test, at <i>P</i> < 0.05.</p><p><strong>Results: </strong>After 24 h of curing, no statistical mean difference was observed between the two groups in terms of ARI or SBS scores (<i>P</i> > 0.05). However, there was a significant increase in the antimicrobial efficiency of Group II when compared with Group I (<i>P</i> < 0.05).</p><p><strong>Conclusion: </strong>TiO₂ nanoparticle-incorporated orthodontic composites improve the antimicrobial efficiency with no significant change in the SBS. The ARI scores indicate the presence of 50% remnant orthodontic composite on the tooth enamel surface post debonding.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11458092/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Laser-assisted Root Canal Filling Removal of Lower Incisors - A Micro-CT Study.","authors":"Violeta Dogandzhiyska, Irina Tsenova-Ilieva, Miriana Raykovska, Emilia Karova","doi":"10.4103/jispcd.jispcd_198_23","DOIUrl":"https://doi.org/10.4103/jispcd.jispcd_198_23","url":null,"abstract":"<p><strong>Aim: </strong>To compare the efficiency of root canal filling removal from oval-shaped root canals with high-energy Er:YAG laser and additional instrumentation with a rotary Ni-Ti XP-Endo Finisher R system.</p><p><strong>Materials and methods: </strong>The <i>in vitro</i> study was accomplished on 12 freshly extracted single-rooted mandibular incisors with one straight oval-shaped root canal, shaped with XP-Endo Shaper 30/.04 and obturated by using the warm vertical condensation technique subjected to further endodontic orthograde retreatment. Group 1: the first retreatment was carried out using a high-energy Er:YAG laser (<i>n</i> = 12). Group 2: the additional retreatment of the same specimens was performed with the XP-Endo Finisher-R system (<i>n</i> = 12). The effectiveness of the retreatment techniques was evaluated by a threefold micro-CT examination. The amount of the remaining root canal filling material was analyzed by Mann-Whitney <i>U</i> test and Friedman tests.</p><p><strong>Results: </strong>A significant decrease in the quantity of the root canal filling was found following the first and after the second retreatment, compared to the initial values in all examined sections (<i>P</i> < 0.001). Within groups, additional application of the Ni-Ti system resulted in no significant removal of the filling materials (<i>P</i> > 0.05).</p><p><strong>Conclusions: </strong>None of the systems resulted in complete root canal filling removal. Despite the improved results after the application of the supplementary retreatment protocol, none of the root canal walls were completely clean in the apical area. The high-energy Er:YAG laser and XP-Endo Finisher R rotary system can be successfully used in endodontic orthograde retreatment under relevant operating parameters.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11458087/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Root Resorption and Alveolar Bone Changes in the Maxillary Canine Retraction Using NiTi Closed-Coil Springs Versus Elastomeric Chains: A Split-Mouth Trial.","authors":"Lam Nguyen Le, Hanh Ngoc Ma, Thao Thi Do, Khanh Vu Phuong Le","doi":"10.4103/jispcd.jispcd_5_24","DOIUrl":"https://doi.org/10.4103/jispcd.jispcd_5_24","url":null,"abstract":"<p><strong>Aim: </strong>To compare apical root resorption and alveolar bone changes induced by the maxillary canine closure procedure performed on patients with Angle Class I malocclusion using NiTi closed-coil springs versus elastomeric chains.</p><p><strong>Materials and methods: </strong>Thirty-one adult patients who had been instructed to undergo bilateral maxillary first premolar extraction completed a randomized clinical trial split-mouth study with a double-blind design. Elastomeric chains will be used on the left side, and NiTi closed-coil springs will be used on the right side for patients with even numbers. Elastomeric chains will be used on the right side of patients with an odd number, whereas NiTi closed-coil springs will be used on the left side of patients. For each patient, cone-beam computed tomography of the maxillary canine and lateral cephalometric radiographs were carried out before and after treatment to evaluate apical root resorption and perform cephalometric measurements.</p><p><strong>Result: </strong>The tooth root length decreased by 0.90 ± 0.60 mm in the NiTi closed-coil spring group. The alveolar bone level increased by 0.53 ± 0.66 mm on the buccal side and by 0.79 ± 0.72 mm on the lingual side. These changes were statistically significant (<i>P</i> < 0.001). In the elastomeric chain group, the tooth root length was decreased by 0.92 ± 0.69 mm, and the levels of vertical buccal and lingual alveolar bone increased significantly (<i>P</i> < 0.001). Compared to NiTi closed-coil springs and elastomeric chain groups, there was a 0.03 ± 0.878 mm difference in the tooth root length; however, this difference was not statistically significant (<i>P</i> = 0.878).</p><p><strong>Conclusion: </strong>Elastomeric chains and NiTi closed-coil springs both generated tooth root resorption, but the results were comparable and the difference was not statistically significant. There was no statistically significant difference between the elastomeric chain and NiTi closed-coil spring groups regarding the changes in alveolar bone loss around the maxillary canines.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11458088/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Surface Roughness Examination of Glass Ionomer Restorative Cements Treated with Acidic and Basic Pediatric Medications: An <i>In Vitro</i> Study.","authors":"Zainab R Hasan, Noor R Al-Hasani, Ali I Ibrahim","doi":"10.4103/jispcd.jispcd_212_23","DOIUrl":"https://doi.org/10.4103/jispcd.jispcd_212_23","url":null,"abstract":"<p><strong>Background: </strong>Consumption of different types of beverages and liquid drugs can affect of the surface properties of restorative material. This may lead to an increased probability of dental caries and periodontal inflammation.</p><p><strong>Aim: </strong>This study evaluated and compared the effect of amoxicillin suspension (AMS) and azithromycin suspension (AZS) on the surface roughness (SR) of silver-reinforced glass ionomer (SGI) and nano resin-modified glass ionomer (NGI).</p><p><strong>Material and methods: </strong>Thirty disks (2 mm height × 4 mm diameter) of each glass ionomer (GI) type were prepared and subdivided into three groups (<i>n</i> = 10), which were separately exposed to AMS, AZS, and artificial saliva (AS). SR was evaluated by atomic force microscopy before and after three-immersion protocols repeated over a 3-week duration with 2-day intervals. In each protocol, the GI samples were exposed weekly to AMS three times daily, AZS once daily, and a full day to AS.</p><p><strong>Results: </strong>This study demonstrated, for the first time, the effect of a basic drug (AZS) on the SR of GIs. Intra- and inter-group comparisons showed significant changes (<i>P</i> ˂ 0.05) in the SR pattern of the GIs after immersion cycles in AZS, AMS, and AS. However, the acidic medication (AMS) exhibited significantly higher changes in SGI than in NGI.</p><p><strong>Conclusions: </strong>The SR of NGIs and SGIs can be significantly affected by the use of AMS and AZS suspensions. SGI demonstrated higher SR deterioration than NGI after immersion cycles in AMS.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11458089/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of Burnout among Medical Officers and Dental Surgeons in State Health Services using Maslach's Burnout Inventory during COVID-19: A Cross Sectional Study.","authors":"Bhavna Sabbarwal, Ritu Phogat, Shubhi Goel, Abhinav Bhargava, Adarsh Kumar","doi":"10.4103/jispcd.jispcd_153_23","DOIUrl":"https://doi.org/10.4103/jispcd.jispcd_153_23","url":null,"abstract":"<p><strong>Introduction: </strong>The Coronavirus disease 2019 (COVID-19) pandemic became a worldwide public health crisis. It leads to raised levels of burnout and anxiety among the people of the medical and dental fraternity, especially those involved in various duties related to COVID-19. The present research focused on evaluating the prevalence and predictors of burnout among medical officers and dental surgeons in Haryana's state dental health services.</p><p><strong>Materials and methods: </strong>A cross-sectional study was conducted to assess burnout among medical officers and dental surgeons involved in COVID-19-related duties in state health services. Maslach's burnout scale was used to evaluate burnout. It is a prevalidated and self-administered questionnaire with three domains, that is, emotional exhaustion (EE), personal accomplishment (PA) assessment, and depersonalization (DP). The Chi square test, Student's <i>t</i> test (unpaired), and analysis of variance (ANOVA) with <i>post hoc</i> analysis were done wherever applicable. Pearson's correlation analysis was used to check the relationship among EE, DP, and PA.</p><p><strong>Results: </strong>A total of 200 study participants responded to the online survey. Nearly half of them (51%) were aged 25-34 years. The majority had service experience of up to 20 years (90%). Almost three-fourths (72%) of study participants performed duties for >8 h a day. Up to 86% reported that the second wave of COVID-19 caused increased burnout. Moderate-to-high degrees of occupational exhaustion (OE) and DP were reported among approximately 42% of study participants. Medical officers were reported to have statistically significantly higher levels of burnout compared to dental surgeons (<i>P</i> < 0.05).</p><p><strong>Conclusion: </strong>Moderate levels of burnout were reported among half of the study participants, suggestive of the need to address the issues related to mental health of healthcare providers.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11458093/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bibliometric Analysis of 100 Most Cited Articles in Middle East and North Africa (MENA) Region on Implant Prosthodontics.","authors":"Raj Kiran Chitumalla, Faris Z Jamjoom, Ikram Ul Haq, Pillai Arun Gopinathan, Sulthan Raja Khan, Swapna Munaga","doi":"10.4103/jispcd.jispcd_34_24","DOIUrl":"https://doi.org/10.4103/jispcd.jispcd_34_24","url":null,"abstract":"<p><strong>Aim: </strong>This study aims to conduct a comprehensive analysis and scientometric evaluation of the top 100 most cited publications in the field of implant prosthodontics, authored by individuals affiliated with nations of the Middle East and North Africa (MENA) region.</p><p><strong>Materials and methods: </strong>In October 2023, the 100 most cited articles were gathered from the Web of Science database using the bibliometric research technique. The analysis was conducted on bibliometric indicators, including the distribution of articles over time, authorship, design of study, field of study, nature of research, contribution from various countries in MENA, international research collaboration, and most frequently used keywords by authors. Chi-square and one-way analysis of variance were used for statistical analysis. VOSviewer software was used to analyze the bibliometric network for co-occurrence among countries, coauthors, and common keywords.</p><p><strong>Results: </strong>The results revealed that the top 100 most cited articles from MENA countries on the topic of implant prosthodontics, published between 1995 and 2020, had received an average of 73.31 citations each. About one-third of the papers were published in the top 4 journals. The journal with the most published articles was Clinical Oral Implant Research, followed by the <i>International Journal of Oral & Maxillofacial Implants</i>, the <i>International Journal of Prosthodontics</i>, and the <i>Journal of Oral and Maxillofacial Surgery</i>. Saudi Arabia had the distinction of producing the greatest number of highly cited papers. The co-occurrence network analysis using VOSviewer software identified 10-15 related clusters. Research studies with multiple authors received significantly more citations (<i>P</i> < 0.05). Significant relationships were observed between the number of citations and journal type (open access vs. non-open access; <i>P</i> < 0.05), and also articles published in dental journals received the most citations and were statistically significant (<i>P</i> = 0.001).</p><p><strong>Conclusion: </strong>Over the last decade, there has been a significant surge in research related to implant prosthodontics. Among the countries in the MENA region, Saudi Arabia has distinguished itself by leading in terms of overall research output. This resource would benefit academicians, clinicians, and researchers in prosthodontics, oral surgery, and periodontic specialties of dentistry.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11458096/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Influence of Modeling Liquid on Microhardness of Single-Shade Composite Resins: An <i>In-Vitro</i> Study.","authors":"Beyza Arslandaş Dinçtürk, Merve Aksoy Yüksek, Cemile Kedici Alp","doi":"10.4103/jispcd.jispcd_39_24","DOIUrl":"https://doi.org/10.4103/jispcd.jispcd_39_24","url":null,"abstract":"<p><strong>Aim: </strong>To assess the effect of modeling liquid on the microhardness of single-shade universal composites.</p><p><strong>Materials and methods: </strong>A total of 60 disk-shaped samples were prepared in six groups [Omnichroma (OM), Essentia Universal (EU), Vittra APS Unique (VA), OM + Signum, EU + Signum, and VA + Signum] for surface microhardness measurements. Samples were stored in a coffee solution for 7 days and after that bleached with an Office bleaching agent (Total Blanc Office). Surface microhardness was measured for baseline, after staining, and after bleaching. A two-way analysis of variance test was used for statistical analysis (<i>P</i> < 0.05).</p><p><strong>Results: </strong>In terms of microhardness, there is a statistically significant difference (<i>P</i> < 0.05) between the two categories with and without modeling liquid. The alterations in microhardness measurements at baseline, after staining, and after bleaching are statistically significant (<i>P</i> < 0.05). The Essentia groups showed the lowest microhardness findings at all measurement times. Microhardness values decreased significantly more when EU was applied along with modeling liquid than when it was not applied at different intervals.</p><p><strong>Conclusions: </strong>Modeling liquid affects the microhardness of single-shade composites. Microhardness is reduced when modeling liquid is used for all three single-shade universal composite resins at three different times.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11458090/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Depression Levels in Relation to Oral Hygiene, Gingival Health Status, and Salivary Constituents in a Group of Dental Students: A Cross-Sectional Study.","authors":"Alhan Ahmed Qasim","doi":"10.4103/jispcd.jispcd_74_23","DOIUrl":"https://doi.org/10.4103/jispcd.jispcd_74_23","url":null,"abstract":"<p><strong>Aim: </strong>In this study, the effects of depression on oral hygiene, gingival health conditions, and some salivary components (total protein, magnesium, and calcium) were explored.</p><p><strong>Materials and methods: </strong>A total of 207 dental students aged 20-21 years (third grade) in a College of Dentistry, University of Baghdad, Baghdad, Iraq, were examined. They were distributed into four groups (normal, mild depression, moderate depression, and severe and very severe depression) according to the Patient Health Questionnaire for Depression Scoring. Oral examinations include oral hygiene (dental plaque and calculus) and gingival health status; samples were collected from 90 participants to serve as a sub-sample of the total sample and classified as follows: normal (22), mild depression (24), moderate depression (22), and moderately severe and severe depression (22) groups. Then, saliva samples were analyzed to determine the total protein, magnesium, and calcium. Statistical Package for Social Sciences version 21 was used to analyze the data.</p><p><strong>Results: </strong>The mean value of oral hygiene and gingival indices increased significantly with increasing severity of depression. For salivary calcium and magnesium, their values decreased with increasing severity of depression, whereas total protein values increased. Salivary calcium and magnesium were negatively correlated with oral hygiene and the gingival indices, and the highest correlations of total proteins with plaque index, calculus index, and gingival index were positive.</p><p><strong>Conclusions: </strong>Depressive feelings were observed in dental students. In reality, depression has a close link with oral hygiene and gingival health status, and normal constituents of saliva could be affected.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11458095/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Indian Dental Malpractice Claims and Lawsuits: A Medico-Legal Analysis.","authors":"Sunil Venkata Naga Vadde, Madhusudan Reddy, Harshavardhan Jois, Mrunalini Koneru, Prathima Vedati","doi":"10.4103/jispcd.jispcd_193_23","DOIUrl":"https://doi.org/10.4103/jispcd.jispcd_193_23","url":null,"abstract":"<p><strong>Background and aim: </strong>The law of the land assumes that a dentist will always use credible skill, care, and caution in the care of patients. Failing to do something that one is supposed to do (act of omission) or doing something that one is not supposed to do (act of commission) falls under the purview of medical jurisprudence. Each patient is legally entitled to get quality medical care from a physician; failure to such trust is an actionable offense and grievances can be challenged in consumer redressal forums. This analytical study was aimed to study the reasons for dental negligence cases that sought judicial assistance in consumer courts in terms of monetary benefits and also to study the delay in settlements.</p><p><strong>Materials and methods: </strong>Archival data of final court-pronounced judgment cases on dental negligence between 2018 and 2022 (i.e., 5 years) were gathered from customer forum websites (https://confonet.nic.in, http://indiankanoon.org/doc, and www.casemine.com). A total of 56 proven dental allegation cases were retrieved. In each verdict case, the allegation against dentist by the plaintiff was recorded, and the response to the complaint by the defendant was studied and analyzed. The year of filing the case and date of judgment, basis of compensation awarded, delay in judgment and role of expert evidence appointed by the court assessed.</p><p><strong>Results: </strong>Misdemeanor by serious negligence: 3, slight negligence: 8, negligent injuries: 35, felony of injuries by serious negligence: 10.</p><p><strong>Conclusion: </strong>Because dentistry involves making decisions in unclear scenarios that affect patient care, there is an inherent danger of malpractice litigation. Awareness of medico-legal issues and professional indemnity insurance coverage for the dentist to safeguard himself from negligence, continuous medico-legal training and documentation of records, and adherence to clinical standards for procedures should be emphasized as prior motives to enhance the standard of care, and a basic awareness of how Indian courts resolve disputes would help dentists plan their professional indemnity insurance and operate their profession properly.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11458094/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of Incorporating Chitosan to Resin Modified Glass Ionomer Cement on Shear Bond Strength to Dentin (An <i>In vitro</i> Comparative Study).","authors":"Aya Tahseen Khudhair, Muna Saleem Khalaf","doi":"10.4103/jispcd.jispcd_195_23","DOIUrl":"10.4103/jispcd.jispcd_195_23","url":null,"abstract":"<p><strong>Aim: </strong>Resin-modified glass ionomer cement tends to shrink due to polymerization of the resin component. Additionally, they are more prone to syneresis and imbibition during the setting process. This <i>in vitro</i> study evaluates the impact of chitosan, a biopolymer that is, both biomaterial and biocompatible, on the strength of dentin bonding and compares it with ACTIVA Bio-ACTIVE Restorative. The present study was aimed to assess the impact of including chitosan into Fuji II on the shear bond strength between. the restoration material and tooth dentin, in contrast to Bioactiva in permanent teeth.</p><p><strong>Materials and methods: </strong>A total of 30 premolar teeth were recently extracted. The study involved three distinct sample groups. Group 1 (10 teeth) is the negative control (Fuji II), Group 2 (10 teeth) is the positive control (ACTIVA Bio-ACTIVE Restorative), and Group 3 (10 teeth) is treated with a mixture of Chitosan and Fuji II (CH-Fuji II). Each tooth's buccal and palatal cusps were eliminated to achieve a horizontal surface. Using a periodontal probe, 1.5 mm from the mesial pit to the mesial marginal ridge were removed. Restoration was implemented in all groups following manufacturer directions. Thermocycling the teeth by immersing them in a water bath with temperatures ranging from 5°C to 55°C (± 1-2°C) for 30 s (500 cycles). Each sample was attached to the universal testing machine's jig at a cross-head speed of 1 mm/min. Shear force was used until breakage, and the bond's adhesive strength was then calculated. Statistical analysis using ANOVA with Dunnett's T3 <i>post hoc</i> test. Results were significant at <i>P</i> < 0.05.</p><p><strong>Results: </strong>Statistically significant difference was present between Chitosan and Fuji II and between Chitosan and Activa by reducing the shear bond strength.</p><p><strong>Conclusions: </strong>Addition of chitosan to Fuji II had a negative effect on the shear bond with a significant difference while Activa and Fuji II exhibited favorable shear bond strength.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11268534/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141761674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}