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

{"title":"A Randomized Controlled Trial Comparing Reverse Psychology with Other Nonpharmacological Behavior Management Techniques in Children Aged 4-6 Years.","authors":"Sonu Acharya, Ali A Assiry, Brinda S Godhi, Khalid K Alshamrani, Mohammed Sharique Ahmed Quadri, Mohmed Isaqali Karobari","doi":"10.4103/jispcd.jispcd_146_25","DOIUrl":"https://doi.org/10.4103/jispcd.jispcd_146_25","url":null,"abstract":"<p><strong>Aim: </strong>Reverse psychology (RP) has recently emerged as a promising behavioral approach to enhance compliance in young children by leveraging psychological reactance-the natural tendency to assert autonomy when the choice is perceived as restricted. Encouraging cooperation through a playful challenge rather than directive instruction may foster intrinsic motivation, making RP a valuable alternative to traditional nonpharmacological techniques. This randomized controlled trial aimed to compare the effectiveness of RP with tell-show-do (TSD) and positive reinforcement (PR) techniques in promoting cooperative behavior among preschool children aged 4-6 years in Bhubaneswar, India.</p><p><strong>Methods: </strong>Thirty preschool children were randomly assigned to one of three groups: RP, TSD, or PR. Each participant completed a standardized toy-sorting task within 5 min. Primary outcome measures included task compliance (percentage of toys sorted), while secondary outcomes comprised task completion time, child-reported motivation, and parental perception of typical compliance. Standardized Odia-English bilingual scripts were used to ensure linguistic consistency. Intervention fidelity was verified through inter-rater reliability (<i>κ</i> = 0.88) and video-recorded session reviews. Statistical analysis involved one-way analysis of variance with <i>post hoc</i> Tukey tests and effect size estimation. Institutional ethics approval (IEC/IDS/2025/0427) and Clinical Trials Registry-India registration (CTRI/2025/07/067891) were obtained prior to commencement.</p><p><strong>Results: </strong>Children in the RP group demonstrated significantly higher compliance (<i>M</i> = 85.2%, 95% confidence interval: 78.4-91.9) compared with TSD (<i>M</i> = 70.3%) and PR (<i>M</i> = 65.8%) (<i>F</i>(2,27) = 6.78, <i>P</i> = 0.004, <i>η</i>² = 0.33). RP participants also completed the task faster (180 ± 25 s) and reported higher enjoyment levels (80%). No dropouts or adverse events were observed.</p><p><strong>Conclusion: </strong>RP significantly improved compliance and engagement among preschoolers compared with conventional behavioral methods. Its playful, autonomy-supportive nature makes RP a simple, low-cost, and culturally adaptable strategy for pediatric behavior management and early childhood education, particularly in resource-limited contexts.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":"16 1","pages":"63-69"},"PeriodicalIF":2.1,"publicationDate":"2025-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13086451/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147724388","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":"Patient and Operator Experiences with Conventional Rubber Dam and OptiDam: A Randomized Clinical Trial.","authors":"Rashed F Binqali, Abdulwahab M Alghamdi, Mishal S Aloufi, Suliman A Alharbi, Omair M Bukhari, Reham M Alsamman","doi":"10.4103/jispcd.jispcd_150_25","DOIUrl":"10.4103/jispcd.jispcd_150_25","url":null,"abstract":"<p><strong>Aim: </strong>This study compared conventional rubber dam (CRD) and OptiDam isolation systems during routine dental procedures, exploring both operator and patient perspectives.</p><p><strong>Materials and methods: </strong>A total of 114 patients were randomly allocated to either CRD (<i>n</i> = 57) or OptiDam (<i>n</i> = 57) groups. After watching a standardized instructional video, procedures were performed by dental students at Umm Al-Qura University. Placement time was recorded, and patient comfort was reported by both the operator and patient using the visual analog scale. Structured questionnaires recorded demographics, operator preference, and patient satisfaction after treatment. Statistical analysis was performed at <i>α</i> < 0.05.</p><p><strong>Results: </strong>Both systems were applied within comparable time frames. However, 65 of 114 operators (57%) preferred the OptiDam over CRD (<i>P</i> < 0.05). The ease of use was the main reason for preferring OptiDam (31%), while availability was the main reason for selecting CRD (23%). Patients reported significantly greater comfort with OptiDam (1.40 ± 1.69) compared to (3.08 ± 2.39) CRD (<i>P</i> < 0.001). Operator-assessed comfort ratings were consistent with these findings: OptiDam: 1.40 ± 1.69 versus CRD: 2.96 ± 2.30 (<i>P</i> < 0.001). No statistical differences were observed between groups in relation to the operator, patient, and treatment variables.</p><p><strong>Conclusion: </strong>OptiDam offers clear advantages in ease of use, operator preference, and patient comfort, supporting its value in clinical settings. However, competence in CRD application remains critical as it continues to serve as the standard method for dental isolation.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":"15 6","pages":"554-559"},"PeriodicalIF":2.1,"publicationDate":"2025-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12799086/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145971429","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":"Impact of Hyaluronic Acid Around Dental Implants: A Systematic Review.","authors":"Shruti Ananya, Pooja Palwankar, Ruchi Pandey","doi":"10.4103/jispcd.jispcd_139_25","DOIUrl":"10.4103/jispcd.jispcd_139_25","url":null,"abstract":"<p><strong>Aim: </strong>Hyaluronic acid (HA), a naturally occurring glycosaminoglycan, has gained attention in dental implantology due to its bioactive, anti-inflammatory, and wound-healing properties. This systematic review evaluates the current evidence regarding the application and efficacy of HA around dental implants, focusing on its impact on peri-implant tissue health, osseointegration, and prevention of peri-implant diseases.</p><p><strong>Materials and methods: </strong>A comprehensive search was conducted across PubMed, Scopus, Embase, Cochrane Library, Google Scholar, and Web of Science databases for studies published from 2016 to 2024. Inclusion criteria: Encompassed human studies, animal studies, and <i>in vitro</i> studies. The Cochrane risk of bias 2 tool and the Newcastle-Ottawa Scale were used to assess the risk of bias. A total of 12 studies met the inclusion criteria.</p><p><strong>Results: </strong>It is demonstrated that HA application positively influences soft tissue healing, reduces inflammation, and may support early osseointegration. Despite promising findings, heterogeneity in HA formulations, application protocols, and follow-up durations limits the ability to draw definitive conclusions. Further long-term, standardized clinical trials are needed to validate its routine use in implant dentistry.</p><p><strong>Conclusion: </strong>This review highlights HA's potential as a valuable adjunct in implant therapy, especially for enhancing peri-implant tissue health and managing early peri-implant disease.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":"15 6","pages":"493-500"},"PeriodicalIF":2.1,"publicationDate":"2025-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12799085/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145971462","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":"Vietnamese Validation of the Index of Dental Anxiety and Fear: A Cross-sectional Study.","authors":"Thi Thai Dinh, Thu Huyen Pham, Minh Quan Hoang, Trung Kien Bui, Minh Hang Luong","doi":"10.4103/jispcd.jispcd_111_25","DOIUrl":"10.4103/jispcd.jispcd_111_25","url":null,"abstract":"<p><strong>Aim: </strong>To cross-culturally adapt and validate the Vietnamese version of the Index of Dental Anxiety and Fear - Core Module (IDAF-4C) and assess its psychometric properties among adult dental patients in Vietnam.</p><p><strong>Materials and methods: </strong>A cross-sectional study was conducted with 243 adult patients at a university dental hospital in Hanoi. The English IDAF-4C was translated into Vietnamese (V-IDAF-4C) following established cross-cultural adaptation guidelines. Reliability was assessed using Cronbach's <i>α</i> and exploratory factor analysis (EFA) with principal axis factoring and varimax rotation. Convergent validity was evaluated by correlating the V-IDAF-4C with the Vietnamese Modified Dental Anxiety scale (MDAS) using Spearman's coefficient.</p><p><strong>Results: </strong>The V-IDAF-4C demonstrated excellent internal consistency (Cronbach's <i>α</i> = 0.88). EFA confirmed a unidimensional structure, with a single factor explaining 54.78% of the total variance (eigenvalue = 4.38) and strong factor loadings for all eight items (ranging from 0.42 to 0.87). Strong convergent validity was established through a significant positive correlation with the MDAS (Spearman's <i>ρ</i> = 0.73, 95% confidence interval: 0.67-0.79; <i>P</i> < 0.01). The prevalence of moderate-to-high dental anxiety was 28.39% (19.34% moderate, 9.05% high) according to the V-IDAF-4C scale.</p><p><strong>Conclusion: </strong>The Vietnamese IDAF-4C demonstrates good validity and reliability for assessing the multidimensional aspects of dental anxiety and fear. It is a suitable tool for clinicians and researchers in Vietnam to screen for dental anxiety and fear, which can help in developing tailored patient management strategies and more effective treatment plans.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":"15 6","pages":"537-543"},"PeriodicalIF":2.1,"publicationDate":"2025-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12799087/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145971519","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":"Oral Health Knowledge, Attitudes, and Behaviors of Undergraduate Students Enrolled in the Faculty of Dental Medicine at the Lebanese University.","authors":"Dany Daou, Abir Ishac, Fabien F Jarjour, Yara Haidar","doi":"10.4103/jispcd.jispcd_79_25","DOIUrl":"10.4103/jispcd.jispcd_79_25","url":null,"abstract":"<p><strong>Aim: </strong>To evaluate the oral health-related knowledge, attitude, and behavior of dental students in Lebanon.</p><p><strong>Materials and methods: </strong>A cross-sectional survey was conducted during the spring semester of the academic year 2024/2025. After giving informed consent, students completed a self-administered questionnaire collecting socio-demographic data, oral health knowledge, attitudes, and behaviors (KABs), and general health behaviors. The validated Arabic version of the Hiroshima University Dental Behavioral Inventory (HU-DBI) was used for the KAB questions, and a translated version of the English-modified version was used for the remaining questions.</p><p><strong>Results: </strong>A total of 246 students participated. The mean overall HU-DBI score was 6.71 ± 1.55. Mean KAB scores were 3.58, 1.16, and 1.97, respectively. The multiple linear regression model showed that none of the variables could statistically significantly predict the HU-DBI total score or the behavior score, while the model significantly predicted the knowledge and attitude scores. After controlling for confounders, sex and regular checkups were statistically significant predictors of the knowledge subscale, and problematic internet use was the only statistically significant predictor of the attitude subscale.</p><p><strong>Conclusion: </strong>An HU-DBI score within the international range was observed among Lebanese dental students, with few factors significantly predicting some subscale scores: sex and regular checkups predicted knowledge; problematic internet use predicted attitude; alas, this prediction was very weak. These findings highlight the need to use a holistic approach of improving knowledge, skills, and attitude in order to increase the chances of behavioral change and to incorporate the impact of behavioral factors on oral health into the dental curriculum so that dental students are better informed.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":"15 6","pages":"544-553"},"PeriodicalIF":2.1,"publicationDate":"2025-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12799082/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145971377","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":"Comparative Study of Microabrasion and Resin Infiltration on Enamel Color Stability and Surface Characteristics: A Systematic Review.","authors":"Ibrahim M Shaban, Mohamed J Jafer, Aqeil A Nema, Aiedh S Al Rashidi, Abdulmohsen Mashaan","doi":"10.4103/jispcd.jispcd_114_25","DOIUrl":"10.4103/jispcd.jispcd_114_25","url":null,"abstract":"<p><strong>Aim: </strong>This systematic review aims to compare the effectiveness of microabrasion and resin infiltration on enamel color stability and surface characteristics in the treatment of white spot lesions.</p><p><strong>Materials and methods: </strong>A literature search was performed in PubMed, Web of Science, MEDLINE, and Scopus for studies published between 2009 and 2023. The inclusion criteria focused on randomized controlled trials (RCTs), clinical trials, and <i>in vitro</i> studies comparing resin infiltration and microabrasion on color stability (Δ<i>E</i> values) and surface roughness (Ra). The Cochrane Risk of Bias Tool 2.0 and ROBINS-I tool assessed risk of bias in RCTs and non-randomized studies.</p><p><strong>Results: </strong>Out of 352 initial records, 11 studies, involving 236 participants and 1180 teeth, met the inclusion criteria and were reviewed in detail. For clarity, the outcomes were stratified into short-term (<12 months) and long-term (≥12 months) results. Resin infiltration consistently proved superior color stability, with Δ<i>E</i> values ranging from 2.03 to 11.29 showing long-term aesthetic improvements lasting up to 24 months. Microabrasion displayed a variable Δ<i>E</i> ranging from 3.5 to 10.5 and color relapse within 6 months. Ra was lower in resin infiltration treatments with Ra values below 0.2 μm, compared to microabrasion, which showed roughness values ranging between 0.25 and 0.8 μm.</p><p><strong>Conclusion: </strong>Resin infiltration offers better long-term aesthetic outcomes in terms of color stability and surface smoothness compared to microabrasion, while microabrasion creates a rougher surface and a greater likelihood of color relapse, making it less ideal for long-term aesthetic improvements.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":"15 6","pages":"485-492"},"PeriodicalIF":2.1,"publicationDate":"2025-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12799084/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145971459","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":"Predictors of Early Dental Care Recommendation: Insights from Demographic and Behavioral Factors.","authors":"Yeleeya Li, Ying Liu, Memunat Ogunmefun, Kesheng Wang","doi":"10.4103/jispcd.jispcd_30_25","DOIUrl":"10.4103/jispcd.jispcd_30_25","url":null,"abstract":"<p><strong>Aim: </strong>Early dental care is essential for preventing oral diseases and establishing positive health behaviors, particularly among vulnerable populations. However, limited data exist on the factors influencing early dental care recommendations among U.S. adults. This study investigated whether demographic and behavioral predictors (e.g., frequency of dental visits) and diabetic status were associated with early dental care recommendations using data from the National Health and Nutrition Examination Survey (NHANES) from March 2017 to March 2020, prior to the pandemic.</p><p><strong>Materials and methods: </strong>A cross-sectional analysis of 3766 adults from the NHANES was conducted. Rao-Scott chi-square tests assessed bivariate associations between predictors (demographics, socioeconomic status, dental behavior, and diabetes status) and outcomes (poor self-reported oral health and early dental care recommendations). Weighted logistic regression models were constructed in three stages to examine the associations of predictors with receiving early dental care recommendations. Odds ratio (OR) and 95% confidence intervals (CIs) were estimated.</p><p><strong>Results: </strong>Males were more likely than females to receive early dental care recommendations (OR: 1.26, 95% CI: 1.02-1.58). Black race (OR: 1.61, 95% CI: 1.27-2.04), lower income (OR: 1.90, 95% CI: 1.43-2.52), and lower education (OR: 1.56, 95% CI: 1.19-2.05) were factors significantly associated with increased likelihood of receiving such recommendations. Individuals who had not visited a dentist in over a year were over four times more likely to be advised to seek dental care early (OR: 4.53, 95% CI: 3.54-5.79). Diabetes status was not significantly associated with dental visit recommendations (<i>P</i> > 0.05).</p><p><strong>Conclusion: </strong>Early dental care recommendations are strongly influenced by socioeconomic and behavioral factors. Surprisingly, the diabetes status was not linked to early visit recommendations, despite its known connection to oral health issues. These findings highlight the need for targeted public health strategies that address oral health disparities and improve dental access for underserved populations.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":"15 6","pages":"528-536"},"PeriodicalIF":2.1,"publicationDate":"2025-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12799080/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145971516","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":"Periodontal Health Trajectories across Trimesters in Pregnant Women Compared to Non-pregnant Controls: A Multicenter Cross-Sectional Study.","authors":"Ekofo Inganya Edize, Diawara Ousseynou, Mbungu Muimba, Em Kalala, Kahinfo Muyayalo Patric, Kayembe Mwimbi David, Kamango Ntambwe Erick, Nyimi Bushabu Fidele","doi":"10.4103/jispcd.jispcd_47_25","DOIUrl":"10.4103/jispcd.jispcd_47_25","url":null,"abstract":"<p><strong>Aim: </strong>Pregnancy-induced hormonal shifts can exacerbate periodontal disease, yet trimester-specific data, especially from sub-Saharan populations, are scarce. This study assessed and compared periodontal status and treatment needs between pregnant and non-pregnant women in the Democratic Republic of the Congo, with attention to changes across trimesters.</p><p><strong>Materials and methods: </strong>A multicenter cross-sectional study included 307 pregnant women and 309 age-matched non-pregnant controls. Standardized clinical indices, including oral hygiene index-simplified, bleeding on probing, periodontal pocket depth (PPD), clinical attachment loss, and community periodontal index of treatment needs (CPITN) were used. Data were analyzed using Chi-square tests, t tests, and multivariate logistic regression.</p><p><strong>Results: </strong>Pregnant women exhibited significantly worse periodontal health. A higher proportion of pregnant women had PPD > 4 mm (26% vs. 19%, <i>P</i> = 0.049) and required advanced periodontal treatment (CPITN treatment need III: 26% vs. 18%, <i>P</i> = 0.013) compared to non-pregnant controls. Periodontal disease severity progressed with gestation: localized gingivitis peaked in the second trimester (50%), while periodontitis was most prevalent in the third trimester (59%). After adjusting for confounders, gestational status was independently associated with higher odds of periodontitis (OR = 2.87, 95% CI: 1.06-7.91).</p><p><strong>Conclusion: </strong>Pregnancy is significantly associated with deteriorating periodontal health and increased treatment needs, particularly in the second and third trimesters. These findings underscore the urgent need to integrate trimester-specific periodontal screening and preventive care into routine antenatal services to improve maternal oral and systemic health.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":"15 6","pages":"517-527"},"PeriodicalIF":2.1,"publicationDate":"2025-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12799088/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145971419","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":"Exploring the Impact of an Oral Health Education Program on School teachers' Knowledge and Behaviors in Iraq: A Quasi-Experimental Study.","authors":"Hanan Fadhil Alautry","doi":"10.4103/jispcd.jispcd_97_25","DOIUrl":"10.4103/jispcd.jispcd_97_25","url":null,"abstract":"<p><strong>Aim: </strong>School teachers play a fundamental role in modeling a child's overall development, including their health habits. Considering that schools occupy a large share of children's daily lives, teachers have a beneficial opportunity to foster daily dental care practices.The current investigation aimed to explore the influence of an oral health education program on school teachers' knowledge and behaviors related to oral health problem prevention.</p><p><strong>Materials and methods: </strong>The study subjects in this experimental study included 154 primary school teachers in Kut, Iraq. Six primary schools were randomly selected via a lottery method out of 42 elementary schools situated in the city to constitute the study participants. Exhaustive information about school teachers was obtained using thorough questionnaires that involved sociodemographic properties, oral health behaviors, and an Arabic validated oral health preventive knowledge assessment. The statistical analysis included an independent sample <i>t</i> test, McNemar test, and paired <i>t</i> test.</p><p><strong>Results: </strong>The mean age of school teachers was 39.6 (±9.93). Study subjects were almost equally distributed between the age groups, with more than half having ≤10 years of teaching experience. An increase in school teachers' oral health preventive knowledge was observed after the education program, regardless of their demographic characteristics (<i>P</i> < 0.001). The number of teachers with correct responses about all oral health preventive statements increased after the education program. A significant improvement in teachers' oral health behaviors was observed following the educational program (<i>P</i> < 0.001, <i>P</i> < 0.05).</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":"15 6","pages":"510-516"},"PeriodicalIF":2.1,"publicationDate":"2025-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12799077/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145971376","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":"Validity of Demirjian's and Kohler's Age Estimation Techniques in Indian Adult Population.","authors":"Smrithi Soman, K P Nandita, N Srikant, Nidhin Philip","doi":"10.4103/jispcd.jispcd_32_25","DOIUrl":"10.4103/jispcd.jispcd_32_25","url":null,"abstract":"<p><strong>Aim: </strong>To evaluate the accuracy of Demirjian's (DMJ) and Köhler's (KHL) radiographic staging methods in estimating chronological age relative to the legal threshold of 18 years in an Indian adult population and to determine the molars with most predictive ability for forensic age estimation.</p><p><strong>Materials and methods: </strong>This retrospective radiographic study analyzed orthopantomograms of 133 Indian individuals (80 females, 53 males) aged 12-24 years. Developmental stages of first, second, and third molars were assessed using DMJ and KHL criteria. Linear regression analysis was applied to derive age estimation equations for individual teeth, stratified by gender. Pearson's correlation and adjusted <i>R</i>² were used to evaluate model performance. The relationship between specific tooth development stages and the legal age threshold of 18 years was also examined.</p><p><strong>Results: </strong>The highest predictive accuracy for age estimation was observed with DMJ staging of tooth 38 (<i>R</i>² = 0.607, standard error of estimate [SEE] = 3.177) and KHL staging of tooth 18 (<i>R</i>² = 0.650, SEE = 3.144). Gender-based differences were noted: males demonstrated earlier third molar maturation, while females exhibited faster development of first and second molars. The cutoff age of 18 years was best represented between KHL stages 7 and 8 and DMJ stage G. Combined staging of teeth 28 and 38 improved prediction (<i>R</i>² = 0.626).</p><p><strong>Conclusion: </strong>DMJ and KHL methods demonstrated reliable accuracy in estimating the chronological age near the legal threshold of 18 years in the Indian population. Tooth 38 (DMJ) and tooth 18 (KHL) showed the highest predictive value and are recommended for forensic use. The study emphasizes the importance of population-specific dental regression models, which can enhance the accuracy and reliability of age estimation in legal and medico-legal contexts, particularly in culturally diverse populations.</p>","PeriodicalId":47247,"journal":{"name":"Journal of International Society of Preventive and Community Dentistry","volume":"15 6","pages":"501-509"},"PeriodicalIF":2.1,"publicationDate":"2025-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12799081/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145971503","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}