Journal of oral biology and craniofacial research最新文献

{"title":"Comparative evaluation of the efficiency of different decontamination protocols for reusing healing abutments: An in vitro study","authors":"Dhruv Patel,&nbsp;Nayana Shriram Anasane,&nbsp;V.N.V. Madhav","doi":"10.1016/j.jobcr.2025.09.024","DOIUrl":"10.1016/j.jobcr.2025.09.024","url":null,"abstract":"<div><h3>Purpose</h3><div>Healing abutments are subjected to multiple cycles of reuse owing to the limited wear and tear experienced in function. The study undertaken focuses on drawing a comparative evaluation amongst two decontamination protocols for reusing healing abutments.</div></div><div><h3>Materials and method</h3><div>A total of 85 healing abutments were divided into 3 groups. Group 1 contained 5 unused healing abutments. Group 2 contained 40 used healing abutments which were subjected to ultrasonic cleaning followed by autoclaving. Group 3 also contained 40 used healing abutments which were subjected to decontamination using NaOCl followed by ultrasonic cleaning followed by autoclaving. Healing abutments from all 3 groups were then individually stained with Phloxine B stain for a duration of 1 min and were individually observed under 10X Stereomicroscope for traces of staining which indicated residual contamination.</div></div><div><h3>Statistical analysis</h3><div>ANOVA test and chi-square test were employed to statistically analyze the 3 groups using SPSS software.</div></div><div><h3>Result</h3><div>The difference between the 3 groups was statistically significant (p &lt; 0.001) with a chi-Square value of 85 %. Intergroup Comparison of mean rank showed statistically significant difference between the groups (Kruskal Wallis ANOVA, p &lt; 0.001). Groups 1 and 3 did not display any evidence of staining with Phloxine B indicating no residual contamination, whereas all samples belonging to Group 2 displayed biological remnants as evidenced by the presence of staining.</div></div><div><h3>Conclusion</h3><div>Cleaning of used healing abutments using Sodium hypochlorite followed by ultrasonic cleaning and autoclaving shows greater efficiency in ensuring complete decontamination of used healing abutments as compared to ultrasonic cleaning and autoclaving.</div></div>","PeriodicalId":16609,"journal":{"name":"Journal of oral biology and craniofacial research","volume":"15 6","pages":"Pages 1636-1640"},"PeriodicalIF":0.0,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145219920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Discrepancy in diagnosis and characteristics of odontogenic cystic lesions in mixed dentition period; a retrospective study","authors":"Umer Mukhtar,&nbsp;Rigzen Tamchos,&nbsp;Manoj kumar Jaiswal,&nbsp;Sadia Iqbal","doi":"10.1016/j.jobcr.2025.09.028","DOIUrl":"10.1016/j.jobcr.2025.09.028","url":null,"abstract":"<div><h3>Background</h3><div>There is an ambiguity in the correct diagnosis of odontogenic cystic lesions in mixed dentition period. So, present study was planned to assess diagnostic discrepancies and their potential impact on treatment strategies in pediatric odontogenic cysts.</div></div><div><h3>Material method</h3><div>The data of the patients was retrieved from the digital records of patients from January 2014 to January 2024. After screening of the digital records, 61 cases were selected for screening, for demographic details, various clinical characteristics, radiographic investigations (OPG, CBCT etc.). For the calculation of the discrepancy between clinical and histopathological diagnosis of the radicular cyst, dentigerous cyst, and odontogenic kerato-cyst the Discrepancy Index was calculated.</div></div><div><h3>Results</h3><div>The results revealed that 61 cases of various cystic conditions were identified. Among them, the dentigerous cyst constituted 14.7 % (9cases), radicular cyst constituted 42.6 % (26cases), and Odontogenic kerato-cyst constitutes 27.86 % (17 cases) with the mean age (in years) of reporting 9.55 ± 3.16, 9.00 ± 2.79, and10.06 ± 2.43 respectively. The odontogenic cysts were commonly found in mandibular posterior region. In patients with dentigerous cysts, 44.44 % had a history of extraction of primary teeth, 55.55 % had decayed/pulpectomised teeth. Among them the maximum discrepancy index was observed between dentigerous cysts and Odontogenic kerato-cysts i.e., 50 %, followed by radicular cyst and dentigerous cyst or vice-versa (21.42 %).</div></div><div><h3>Conclusion</h3><div>Despite the difficult diagnosis of dentigerous cyst, radicular cyst and OKCs in mixed dentition, cystic lesions should be examined thoroughly and diagnosed carefully. Misinterpreting a cyst as a tumor, could lead to aggressive surgical intervention when a less invasive approach would suffice.</div></div>","PeriodicalId":16609,"journal":{"name":"Journal of oral biology and craniofacial research","volume":"15 6","pages":"Pages 1628-1635"},"PeriodicalIF":0.0,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145219922","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of the role of age in MMP 9 and MMP 2 levels in pulpal blood of teeth with symptomatic irreversible pulpitis","authors":"Praneeth rednam ,&nbsp;Sarath sarathy","doi":"10.1016/j.jobcr.2025.09.022","DOIUrl":"10.1016/j.jobcr.2025.09.022","url":null,"abstract":"<div><h3>Aim</h3><div>To assess MMP 2 and MMP 9 levels in pulpal blood of human molar teeth with symptomatic irreversible pulpitis in 2 different age groups.</div></div><div><h3>Materials and methods</h3><div>Patients of two age groups young [18–40] and old [&gt;60] with symptomatic irreversible pulpitis in molars were included in this study. Teeth were isolated using a rubber dam. The rubber dam, clamp, and tooth were decontaminated using a cotton swab drenched in 1 % NaOCl solution. Access cavities were then prepared using a diamond-coated bur in a contrangle handpiece under water-cooling. Subsequently, the caries was excavated using a sterile round bur. Pulpal blood was collected from the pulp chamber by placing the blunt end of a sterile inverted 60 size paper point for 1 min. The paper point was transferred into a sterile microcentrifugation tube and frozen at −20 °C immediately until further processing. The levels of MMP-9 and MMP-2 in these samples were measured using commercially available specific enzyme-linked immunosorbent assay (ELISA) kits. Data was analysed using an independent t-test.</div></div><div><h3>Results</h3><div>The mean pulpal blood levels of MMP-9 in patients above 60 years (220 ng/ml) were significantly lower than those aged 18–40 years (468 ng/ml) ([p value &lt; 0.05]</div><div>The mean pulpal blood levels of MMP-2 in patients above 60 years (134 ng/ml) were significantly lower than in those aged 18–40 years (153 ng/ml [p value &lt; 0.05].</div></div><div><h3>Conclusion</h3><div>MMP-9 and MMP-2 levels in pulpal blood of cariously exposed teeth with irreversible pulpitis can vary with age.</div></div>","PeriodicalId":16609,"journal":{"name":"Journal of oral biology and craniofacial research","volume":"15 6","pages":"Pages 1624-1627"},"PeriodicalIF":0.0,"publicationDate":"2025-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145154629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessment of efficacy of lignocaine patch in pain management post third molar extraction: A prospective, split mouth study","authors":"P.S. Tripthi,&nbsp;Rakshita Kumar,&nbsp;Padmaraj Hegde","doi":"10.1016/j.jobcr.2025.09.016","DOIUrl":"10.1016/j.jobcr.2025.09.016","url":null,"abstract":"<div><h3>Introduction</h3><div>Postoperative pain following third molar extractions is a significant concern, often managed using opioids and NSAIDs, associated with considerable side effects. Lignocaine patches, known for their localized action and minimal systemic effects, have shown promise in managing various pain conditions. This study aimed to evaluate the efficacy of 5 % lignocaine patches in reducing postoperative pain following third molar extractions.</div></div><div><h3>Methodology</h3><div>A prospective, split-mouth study was conducted on 30 patients aged 18–40 years requiring bilateral extraction of impacted mandibular third molars. Post extraction on one side (test lignocaine patches were applied postoperatively, while post extraction of contralateral side, standard oral analgesics were given. Pain levels were assessed using the Visual Analog Scale (VAS) on the day of extraction, postoperative day (POD) 1 and POD 2. Additional patches or analgesics were provided if pain exceeded VAS thresholds.</div></div><div><h3>Results</h3><div>The test group reported significantly lower mean VAS scores (1.96 ± 0.72) compared to the control group (2.55 ± 0.35, <em>p</em> = 0.004). Significant reduction in pain was observed in both groups over time, but the test group showed greater pain relief by POD 2 (<em>p</em> = 0.000) and no major adverse effects were reported, only 13.3 % experienced inadequate analgesia, requiring the need of a second patch.</div></div><div><h3>Conclusion</h3><div>These findings suggest that 5 % lignocaine patches offer an effective alternative to oral analgesics for managing postoperative pain after third molar extractions. Further research, however, is recommended to explore their potential in reducing opioid use and their effectiveness in other minor oral surgical procedures.</div></div>","PeriodicalId":16609,"journal":{"name":"Journal of oral biology and craniofacial research","volume":"15 6","pages":"Pages 1601-1606"},"PeriodicalIF":0.0,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145117705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative evaluation of antimicrobial properties and surface roughness of four maxillofacial prosthetic materials","authors":"Zaihan Ariffin ,&nbsp;Yanti Johari ,&nbsp;Farhana Rahman ,&nbsp;Suharni Mohamad ,&nbsp;Nafij Bin Jamayet ,&nbsp;James Dudley","doi":"10.1016/j.jobcr.2025.09.019","DOIUrl":"10.1016/j.jobcr.2025.09.019","url":null,"abstract":"<div><h3>Objectives</h3><div>The adherence of microorganisms to the surfaces of maxillofacial prosthetic materials can cause surrounding tissue infections leading to discomfort, irritation and infection. It is therefore beneficial if maxillofacial prosthetic materials possess antimicrobial effects or resist microbial adherence. The purpose of this study was to compare the antimicrobial effect, surface roughness and microbial adherence of a locally produced modified polymethyl methacrylate maxillofacial prosthetic material with a commercially produced polymethyl methacrylate and two silicone elastomers against three microorganisms.</div></div><div><h3>Methods</h3><div>Four study groups were formed, each with 10 samples (n = 10): modified polymethyl methacrylate (m-PMMA), commercially produced polymethyl methacrylate (c-PMMA), silicone A-2000 (A-2000), and silicone A-2186 (A-2186). The microorganisms tested against the four prosthetic materials were <em>Staphylococcus aureus (S. aureus), Streptococcus mutans (S. mutans), and Candida albicans (C. albicans)</em>. The antimicrobial effect, microbial adherence and surface roughness were assessed and scanning electron microscopy images examined surface roughness and microbial adherence.</div></div><div><h3>Results</h3><div>None of the tested materials showed antimicrobial activity against the evaluated microbial strains. Microbial adherence was significantly higher on silicone elastomers, with greater colony-forming units of both <em>S. aureus</em> and <em>S. mutans</em> compared to PMMA (p &lt; 0.017). No significant difference was observed in <em>C. albicans</em> adherence between the silicone elastomers and PMMA. Surface roughness analysis revealed a statistically significant difference between PMMA and silicone elastomers (p &lt; 0.05), with the silicones exhibiting greater roughness.</div></div><div><h3>Conclusions</h3><div>The fillers in m-PMMA may inhibit the release of antimicrobial agents. The locally produced m-PMMA demonstrated less microbial adherence in comparison to other tested materials.</div></div><div><h3>Clinical implications</h3><div>The locally produced m-PMMA was associated with less microbial adherence in comparison to other tested materials and has potential to reduce the risk of infection.</div></div>","PeriodicalId":16609,"journal":{"name":"Journal of oral biology and craniofacial research","volume":"15 6","pages":"Pages 1607-1613"},"PeriodicalIF":0.0,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145154630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mechanical properties and biocompatibility of graphene-reinforced materials for crowns and bridges: A systematic review and meta-analysis with emphasis on ceramics","authors":"Anes Adnan Alshamaa ,&nbsp;Ibrahim Hamad Alfahdawi ,&nbsp;Mohamed Abdulmunem Abdulateef ,&nbsp;Abdulkhaleq Mohammed Qaraghuli","doi":"10.1016/j.jobcr.2025.09.021","DOIUrl":"10.1016/j.jobcr.2025.09.021","url":null,"abstract":"<div><h3>Objective</h3><div>This systematic review and meta-analysis investigated the mechanical characteristics and biocompatibility of graphene-reinforced materials, especially ceramics for dental crowns and bridges. Its goal was to synthesize the available evidence and highlight areas needed for future research.</div></div><div><h3>Methods</h3><div>A systematic search was conducted on PubMed, Web of Science, Science Direct, and Google Scholar, following the PRISMA guidelines. Eight in vitro studies were included which assessed biocompatibility and mechanical performance, such as flexural strength, compressive strength, and hardness. The QUIN tool was used to assess the risk of bias, and random-effects models were used for the meta-analysis.</div></div><div><h3>Results</h3><div>Graphene reinforcement significantly improved mechanical properties, with flexural strength increasing by ∼100 MPa in some ceramic systems (SMD: 1.26, 95 % CI: −0.20, 2.72) and hardness showing significant enhancement (SMD: 1.69, 95 % CI: 0.45, 2.94). Graphene oxide (GO) demonstrated antibacterial efficacy (SMD: 2.37, 95 % CI: 1.77, 2.97). Biocompatibility results were promising but limited by limited reporting. Variability in graphene type, concentration, and processing methods influenced outcomes.</div></div><div><h3>Conclusion</h3><div>Graphene-reinforced ceramics have superior mechanical characteristics and are potentially biocompatible, which solves some of the primary issues with existing dental materials. However, standardization of methodologies, long-term clinical validation, and optimization of graphene integration are essential for clinical translation.</div></div>","PeriodicalId":16609,"journal":{"name":"Journal of oral biology and craniofacial research","volume":"15 6","pages":"Pages 1614-1623"},"PeriodicalIF":0.0,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145154631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Awareness of endodontists regarding the determination of root canal morphology and configuration using artificial intelligence","authors":"Mohd Irfan Ansari ,&nbsp;Neelam Singh ,&nbsp;Shahnaz Mansoori ,&nbsp;Simran Uppal ,&nbsp;Abhishek Mehta ,&nbsp;Sweta Rastogi","doi":"10.1016/j.jobcr.2025.09.014","DOIUrl":"10.1016/j.jobcr.2025.09.014","url":null,"abstract":"<div><h3>Objective</h3><div>Artificial intelligence (AI) is rapidly advancing in Endodontics, particularly through the application of neural networks and deep learning models, that help in identifying complex root canal morphology and configurations, thereby enhancing diagnostic accuracy and treatment planning. This study aimed to assess the awareness of Indian Endodontists regarding AI applications in determining root canal morphology and configuration.</div></div><div><h3>Methods</h3><div>An online survey-based questionnaire was distributed to practicing Endodontists across India using Google Forms, and their responses were recorded. Chi-square test was used to study the association of independent and dependent variables.</div></div><div><h3>Results</h3><div>A survey of 338 practicing endodontists and postgraduate students revealed that less than half were aware of AI models such as <em>Artificial Neural Networks</em> (43.8 %) and <em>Deep Learning</em> (35.2 %). The majority (68.3 %) were partially aware of AI applications in endodontics. About 37.9 % considered AI as \"fairly feasible\" for daily endodontic clinical practice, and 82.5 % agreed that AI technology can enhance endodontic treatment success rates (p &lt; 0.001). However, 60.90 % of the endodontists did not consider themselves trained for operating AI models, and 91.10 % never used any AI models or software (p &lt; 0.001). Additionally, 89.30 % of the participants expressed the need for training programs and workshops on the use of AI in determining root canal morphology (p &lt; 0.001).</div></div><div><h3>Conclusion</h3><div>Most Endodontists do not have sufficient knowledge to use AI models and do not employ AI software to identify root canal morphology and configuration. This study highlights the necessity for proper training for endodontists to improve the use of AI in determining root canal morphology and configuration.</div></div>","PeriodicalId":16609,"journal":{"name":"Journal of oral biology and craniofacial research","volume":"15 6","pages":"Pages 1584-1590"},"PeriodicalIF":0.0,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145117642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Artificial intelligence and machine learning in diagnosing and managing temporomandibular disorders: A systematic review and meta-analysis","authors":"Vaishnavi Rajaraman,&nbsp;Deepak Nallaswamy,&nbsp;Amrutha Shenoy","doi":"10.1016/j.jobcr.2025.09.013","DOIUrl":"10.1016/j.jobcr.2025.09.013","url":null,"abstract":"<div><h3>Background</h3><div>Artificial intelligence (AI) and machine learning (ML) models have recently emerged as promising tools for enhancing diagnostic accuracy.</div></div><div><h3>Objective</h3><div>To evaluate the diagnostic accuracy of AI/ML models in detecting TMDs through a systematic review and meta-analysis of existing literature.</div></div><div><h3>Methods</h3><div>A comprehensive search of electronic databases was conducted to identify studies assessing the diagnostic performance of AI/ML models in TMD diagnosis (PROSPERO-CRD420251035080). Data extraction and quality assessment were conducted independently by two reviewers using the AXIS tool for cross-sectional and Newcastle–Ottawa Scale for cohort studies. Meta-analysis of diagnostic accuracy was performed using pooled sensitivity, specificity, diagnostic odds ratio, and area under the curve. Statistical heterogeneity was assessed with the I² statistic.</div></div><div><h3>Results</h3><div>The systematic search identified 368 articles, of which 12 studies met inclusion criteria after screening. Risk of bias assessment showed most observational studies had low to unclear bias, while cross-sectional studies varied from moderate to high quality. Five studies were eligible for meta-analysis and they revealed that AI and machine learning models achieved a pooled sensitivity of 87.1 %(95 %CI:84.9 %–89.2 %) and specificity of 87.0 %(95 %CI:84.8 %–89.2 %) for TMD diagnosis. The diagnostic odds ratio was 45.1(95 %CI:30.5–66.8), with an area under the ROC curve of 0.96, indicating excellent diagnostic accuracy. Moderate heterogeneity I² = 38.7 %.</div></div><div><h3>Conclusion</h3><div>AI/ML models demonstrate excellent accuracy in differentiating patients with and without TMDs, reinforcing their potential as reliable diagnostic aids in clinical and screening settings. However, variability in input features and lack of standardized model development protocols highlight the need for future research focusing on validation across diverse populations and harmonization of diagnostic criteria.</div></div>","PeriodicalId":16609,"journal":{"name":"Journal of oral biology and craniofacial research","volume":"15 6","pages":"Pages 1591-1600"},"PeriodicalIF":0.0,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145117706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative clinical characterization of microflora between primary and secondary endodontic infections-An in vivo cross sectional study","authors":"Mahantesh Yeli ,&nbsp;Balaram Naik ,&nbsp;RaghavendraD. Kulkarni ,&nbsp;Vignesh Kamath ,&nbsp;Prashant Moogi ,&nbsp;Shruti Patil ,&nbsp;Kishore Bhat","doi":"10.1016/j.jobcr.2025.09.018","DOIUrl":"10.1016/j.jobcr.2025.09.018","url":null,"abstract":"<div><h3>Aim</h3><div>The aim of the present study was to analyse the microbiota of primary and secondary/persistent endodontic infections of patients undergoing endodontic treatment with respect to clinical and radiographic findings.</div></div><div><h3>Materials and methodology</h3><div>The experimental material included the samples collected from 139 patients. These subjects were divided into two groups of 74 and 65 patients. Group 1-Primary endodontic infections, Group 2-Secondary endodontic infections (Retreatment cases). The collected samples were subjected to aerobic and anaerobic bacterial cultures and selected specific uncultivable microorganisms were subjected to Polymerase Chain Reaction. The material collected in transport medium was mixed thoroughly and it was divided into two aliquots. One of the aliquots was used for aerobic culture and Polymerase Chain Reaction, the other was subjected to anaerobic culture study. Statistical analysis was done. P &lt; 0.05 was considered as statistically significant.</div></div><div><h3>Results</h3><div>For the given sample, the values for Porphyromonas gingivalis (p = 0.001), Prevotella intermedia (p = 0.017) and Streptococcus aerobic (p = 0.001), Klebsiella aerogens (p = 0.03) and Streptococcus (p = 0.005) and Dialister invisus (p = 0.024) showed statistically significant differences between primary and secondary lesions.</div></div><div><h3>Conclusions</h3><div>The primary lesions showed significantly higher number of Klebsiella aerogens, Streptococcus, Dialister invisus and secondary lesions with Porphyromonas gingivalis, Prevotella intermedia, Streptococcus respectively.</div></div>","PeriodicalId":16609,"journal":{"name":"Journal of oral biology and craniofacial research","volume":"15 6","pages":"Pages 1579-1583"},"PeriodicalIF":0.0,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145117641","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Shade determination based on digital photographs and different sources of illumination. An in-vivo, pilot study","authors":"Srishty Pundir,&nbsp;Siddharth Swarup,&nbsp;V.N.V. Madhav","doi":"10.1016/j.jobcr.2025.09.020","DOIUrl":"10.1016/j.jobcr.2025.09.020","url":null,"abstract":"<div><h3>Aim</h3><div>The aim of the study was to compare shade estimation in maxillary anterior teeth under different ambient light sources, whilst using digital photography.</div></div><div><h3>Materials and methods</h3><div>In this study different ambient light conditions were considered for shade determination. 96 readings were obtained from six maxillary anterior teeth were selected for this study, and shade was determined at the middle 1/3rd of the tooth using a digital spectrophotometer and the L∗a∗b∗values obtained, which was the control. Photographs were taken as per the different light sources. The photographs were then subjected to a Classic Color Meter software to derive the L∗a∗b∗ values. The L∗a∗b∗ values obtained were statistically analysed and results obtained.</div></div><div><h3>Results</h3><div>The results depicted that cool white light as compared to the digital spectrophotometer showed better results with statistically insignificant difference in the L∗ category (p = 0.598) &amp; b category (p = 0.143). Warm white light was also comparable only in the L∗ category (p = 0.903). Natural sunlight showed similar results when compared in the L∗ category (p = 0.939), but varied significantly in a∗ and b∗ categories. While LED Ceiling light showed the most significantly different results under all categories of L∗, a∗ and, b∗.</div></div><div><h3>Conclusion</h3><div>It was concluded that digital photography method of shade estimation can be a reliable method of shade estimation under cool white light illuminance. Warm white light and natural sunlight are dependable measures for value matching, whereas LED ceiling lights yielded inaccurate shades through the digital photography method of shade estimation in all axes of the CIELAB space.</div></div>","PeriodicalId":16609,"journal":{"name":"Journal of oral biology and craniofacial research","volume":"15 6","pages":"Pages 1573-1578"},"PeriodicalIF":0.0,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145117643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}