Journal of dentistry最新文献

{"title":"Patient-reported outcomes of digitally vs. conventionally fabricated frameworks in removable partial dentures: A systematic review and meta-analysis","authors":"Elena Muehlemann ,&nbsp;Margherita G. Liguori ,&nbsp;Aspasia Pachiou ,&nbsp;Ronald E. Jung ,&nbsp;Franz J. Strauss","doi":"10.1016/j.jdent.2025.105920","DOIUrl":"10.1016/j.jdent.2025.105920","url":null,"abstract":"<div><h3>Objective</h3><div>Digital workflows are increasingly used for fabricating metal frameworks of removable partial dentures (RPDs), offering advantages in clinical efficiency and reproducibility. This systematic review aimed to compare patient-reported outcome measures (PROMs) between conventionally and digitally fabricated RPDs.</div></div><div><h3>Methods</h3><div>An electronic and manual search was conducted up to January 1, 2025, to identify clinical trials and cohort studies evaluating PROMs for conventional and digital RPD frameworks. Studies using validated tools, including visual analogue scales (VAS) and oral health-related quality of life (OHRQoL) questionnaires, were included. Two reviewers independently performed study selection, data extraction, and quality assessment. Meta-analyses were conducted using weighted mean differences (WMD) or standardized mean differences (SMD) with 95 % confidence intervals (CIs), applying a random-effects model.</div></div><div><h3>Results</h3><div>Out of 942 identified studies, four met the inclusion criteria (59 patients, 118 RPDs), with three eligible for meta-analyses. Digitally fabricated RPDs showed significant improvements in speech (WMD = 1.01; 95 % CI: 0.03 to 1.99; <em>p</em> = 0.04), cleanability (WMD = 0.66; 95 % CI: 0.00 to 1.31; <em>p</em> = 0.05), and prosthesis stability (WMD = 1.24; 95 % CI: 0.01 to 2.46; <em>p</em> = 0.05). No significant differences were found in esthetic perception, overall satisfaction, or OHRQoL.</div></div><div><h3>Conclusion</h3><div>Digital workflows may improve specific aspects of patient comfort, particularly speech, hygiene, and stability, but offer similar outcomes to conventional methods in terms of satisfaction and esthetic perception.</div></div><div><h3>Clinical Significance</h3><div>Digitally fabricated RPD frameworks may improve patient comfort by enhancing speech clarity, hygiene maintenance, and prosthesis stability. These benefits can support better long-term outcomes and reduced clinical chair time, suggesting that digital workflows represent a reliable and efficient alternative to conventional fabrication methods.</div></div>","PeriodicalId":15585,"journal":{"name":"Journal of dentistry","volume":"161 ","pages":"Article 105920"},"PeriodicalIF":4.8,"publicationDate":"2025-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144475486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Precision of complete-arch digital implant scans using photogrammetry and intra-oral scanning. An in vivo cross-over study","authors":"William Matthew Negreiros ,&nbsp;Teresa Chanting Sun ,&nbsp;Shruti Jain ,&nbsp;Matthew Finkelman ,&nbsp;German O. Gallucci ,&nbsp;Adam Hamilton","doi":"10.1016/j.jdent.2025.105928","DOIUrl":"10.1016/j.jdent.2025.105928","url":null,"abstract":"<div><h3>Objective</h3><div>To evaluate the precision of complete-arch digital implant scans using intraoral scanning (IOS) and photogrammetry (PG).</div></div><div><h3>Methods</h3><div>Nineteen completely edentulous arches were included. Each arches contained at least four implants. Abutment-level digital scans were taken using IOS (3Shape Trios 3) and PG (Imetric ICam 4D, 1st gen). Each arch was scanned five times with each device. Implant cartesian coordinates were extracted, and the Spatial Fit, Cross-Arch Distance, and Virtual Sheffield tests were conducted. A generalized estimating equation (GEE) analysis was conducted to compare the precision of IOS and PG for the three tests. A GEE was used to assess further the association between jaw type (maxilla vs. mandible) and the precision for each device in all three tests. The significance level was set at α=0.05.</div></div><div><h3>Results</h3><div>PG demonstrated greater precision in all three tests (<em>p</em> &lt; 0.0001). Precision was not significantly associated with jaw type in the PG group (<em>p</em> &gt; 0.05). For IOS, the mandibular arch demonstrated inferior levels of precision compared to the maxilla for the Spatial Fit (<em>p</em> = 0.040), Cross-Arch Distance (<em>p</em> = 0.026), and Virtual Sheffield (<em>p</em> = 0.019) tests.</div></div><div><h3>Conclusion</h3><div>PG represented a more precise scanner for complete-arch digital implant scans. Maxillary arch scans were associated with superior precision compared to scans of the mandible, yet statistical significance was only found in the IOS group.</div></div><div><h3>Clinical significance</h3><div>IOS scanning for fixed implant rehabilitation of the edentulous jaw with conventional scan bodies should be approached with caution due to the poor precision, particularly in the mandible. PG represented a more precise scanner for complete-arch digital implant scans.</div></div>","PeriodicalId":15585,"journal":{"name":"Journal of dentistry","volume":"161 ","pages":"Article 105928"},"PeriodicalIF":4.8,"publicationDate":"2025-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144368887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Metals, fluoride and bioactive glass on dentin hypersensitivity and quality of life: A 6-month double-blind randomized clinical trial","authors":"Victor Mosquim ,&nbsp;Daniella Cristo Santin ,&nbsp;Juliana Carvalho Jacomine ,&nbsp;Giovanna Speranza Zabeu ,&nbsp;David Geoffrey Gillam ,&nbsp;Robert Graham Hill ,&nbsp;Linda Wang","doi":"10.1016/j.jdent.2025.105931","DOIUrl":"10.1016/j.jdent.2025.105931","url":null,"abstract":"<div><h3>Objectives</h3><div>To investigate whether a TiF₄ varnish, a SnCl₂/AmF/NaF and chitosan-containing toothpaste (Elmex Opti-namel), and a fluoride-calcium-phospho-silicate-containing toothpaste (Biomin F) can reduce dentin hypersensitivity (DH) and improve oral health-related quality of life (OHRQoL) similarly to NaF varnish over 6 months.</div></div><div><h3>Methods</h3><div>Fifty-one patients/241 teeth were randomized into four groups. DH was measured using a 10-point visual analog scale after evaporative and tactile stimuli at baseline, immediately after application, and after 1, 3, and 6 months. OHRQoL was evaluated using the OHIP-14 questionnaire at baseline and after 1, 3, and 6 months. Statistical analyses included one-way ANOVA, Fisher’s exact test, Kruskal-Wallis and DSCF post-hoc, Friedman’s test and Durbin-Conover post-hoc, and mixed factorial ANOVA with Tukey post-hoc (α=0.05).</div></div><div><h3>Results</h3><div>All products reduced DH pain over time (<em>p</em> &lt; 0.001). For evaporative stimulus, NaF varnish was outperformed by both toothpastes at 3 months, and by Elmex Opti-namel at 6 months (<em>p</em> = 0.048). For tactile stimulus, Biomin F was less effective than NaF varnish immediately after application (<em>p</em> = 0.028), but no other inter-group differences were observed. All products equally improved OHRQoL (<em>p</em> &lt; 0.001), but the improvement was classified as low.</div></div><div><h3>Conclusion</h3><div>All products improved OHRQoL, but Elmex Opti-namel provided the most effective pain relief after 6 months.</div></div><div><h3>Clinical Significance</h3><div>All products relieved pain and improved OHRQoL. However, both toothpastes presented higher DH pain relief than the NaF varnish after 3 months, and Elmex Opti-namel outperformed the NaF varnish after 6 months. Therefore, bioactive glass- and polyvalent metal-containing toothpastes are effective, noninvasive options for managing DH and enhancing patient comfort.</div></div>","PeriodicalId":15585,"journal":{"name":"Journal of dentistry","volume":"160 ","pages":"Article 105931"},"PeriodicalIF":4.8,"publicationDate":"2025-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144475485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dental pulp enhances dentin bonding durability: Evidence from a rat model","authors":"Bing-Jie Zhong ,&nbsp;Jing-Hui Lin ,&nbsp;Zheng-Xing Lin ,&nbsp;Zhi-Cen Lu ,&nbsp;Deng-Wei Hong ,&nbsp;Hao Yu","doi":"10.1016/j.jdent.2025.105925","DOIUrl":"10.1016/j.jdent.2025.105925","url":null,"abstract":"<div><h3>Objectives</h3><div>To develop a novel animal model for investigating dentin bonding and to examine how dental pulp vitality affects the long-term stability of dentin-resin bonds.</div></div><div><h3>Methods</h3><div>1) A split-mouth design was employed in Sprague-Dawley rats. Mandibular first molars were assigned to the vital or nonvital group (<em>n</em> = 6). In vital teeth, 0.3 mm of the mesial surface was removed to expose the dentin, followed by the application of a self-etch adhesive and light-cured resin composite. For nonvital teeth, root canal treatment was performed before the same bonding procedure. Micro-CT analysis and hematoxylin-eosin staining were conducted for model validation. 2) A total of 116 rats were used for dentin bonding evaluation. The composite survival rates, microshear bond strength (μSBS), and interfacial structure were characterized at 0, 2, 4, and 6 weeks (with 29 rats sacrificed at each interval) via field emission scanning electron microscopy, atomic force microscopy, and confocal laser scanning microscopy. Additional biochemical analysis of bonded dentin (<em>n</em> = 3) was performed via data-independent acquisition mass spectrometry.</div></div><div><h3>Results</h3><div>1) The animal model was validated successfully, with micro-CT and histology confirming that there were no pathological alterations in pulp or periapical tissues. 2) Vital teeth exhibited superior bonding durability, with significantly higher survival rates, stable μSBS values, and excellently characterized interface. Nonvital teeth exhibited decreased bond strength, microcracks, poor sealing, reduced mechanical properties, and increased matrix metalloproteinase (MMP) activity. Proteomic analysis suggested that pulp vitality regulates MMP expression, preserving interfacial stability.</div></div><div><h3>Conclusions</h3><div>Dental pulp vitality enhances bonding durability by maintaining interface integrity and modulating endogenous enzymes, particularly MMPs.</div></div><div><h3>Clinical relevance</h3><div>The protective role of dental pulp vitality in stabilizing the dentin-resin interface and suppressing MMP activity may lead to the development of novel dentin bonding strategies.</div></div>","PeriodicalId":15585,"journal":{"name":"Journal of dentistry","volume":"160 ","pages":"Article 105925"},"PeriodicalIF":4.8,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144368884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Editorial policies for use and acknowledgment of artificial intelligence in dental journals","authors":"Ana Beatriz L. Queiroz,&nbsp;Letícia Regina Morello Sartori,&nbsp;Giana da Silveira Lima,&nbsp;Rafael R. Moraes","doi":"10.1016/j.jdent.2025.105923","DOIUrl":"10.1016/j.jdent.2025.105923","url":null,"abstract":"<div><h3>Objectives</h3><div>This study mapped the editorial policies regarding the use and acknowledgment of artificial intelligence (AI) in dental journals.</div></div><div><h3>Methods</h3><div>Dental journals indexed in Web of Science were analyzed. Editorial guidelines and instructions for authors and reviewers were assessed. The outcome of interest was whether a journal reported an AI policy. Exposures of interest were Journal Impact Factor (JIF), Journal Citation Indicator (JCI), total number of citations, and percentage of open access content. Associations between journal metrics and the presence of AI policies were assessed using Poisson regression models with robust standard errors. Adjusted models were developed separately for JIF and JCI, including variables with <em>p</em> ≤ 0.2. Significance was set at <em>p</em> ≤ 0.05.</div></div><div><h3>Results</h3><div>Among the 158 journals analyzed, 70.9 % reported AI policies. Policies targeted authors (100 %), reviewers (88.4 %), and editors (46.4 %). The most common areas addressed were authorship, language review, and writing assistance. Journals in the upper quartiles of JIF and JCI were about twice as likely to report an AI policy compared to those in the lowest quartile. In the adjusted models, no association was found between total citations and AI policy presence, whereas open access percentage showed a negative association. While AI tools are permitted to aid in language refinement, critical tasks were consistently required to remain human-led, with rare exceptions.</div></div><div><h3>Conclusion</h3><div>AI-related editorial policies were frequent in dental journals, and higher-impact journals were statistically more likely to report such policies.</div></div><div><h3>Clinical significance</h3><div>Clearer and more standardized AI policies may promote transparency and ethical AI use.</div></div>","PeriodicalId":15585,"journal":{"name":"Journal of dentistry","volume":"161 ","pages":"Article 105923"},"PeriodicalIF":4.8,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144368885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of zirconia thickness and background color on color matching accuracy of monolithic zirconia restorations","authors":"Danya Hashem ,&nbsp;Lamis A. Al-Taee ,&nbsp;Samah Ibrahim Mourad ,&nbsp;Nahla Gamaleldin Elhelbawy ,&nbsp;Khaled E. Ahmed ,&nbsp;Samah Mahmoud","doi":"10.1016/j.jdent.2025.105922","DOIUrl":"10.1016/j.jdent.2025.105922","url":null,"abstract":"<div><h3>Objective</h3><div>To evaluate the influence of monolithic zirconia brand, thickness, and substrate color on color matching accuracy when optically coupled to abutment substrates.</div></div><div><h3>Methods</h3><div>A total of 180 samples of two brands of monolithic zirconia [Prettau Anterior (PA), Ceramill Zolid FX Multicolor (CZ)] were prepared in three different thicknesses (0.8 mm, 1.5 mm, and 2 mm) with a standardized 10 mm diameter. Color properties of the samples were assessed using spectrophotometry at baseline and after coupling to three substrate types: standard dentin, discolored dentin, and titanium. Color differences (ΔE) were calculated and statistically analyzed by 3-way ANOVA and pairwise comparison (α=0.05).</div></div><div><h3>Results</h3><div>The brand and material thickness, at baseline and after coupling to different substrate colors, had significant effect on color variations (<em>P</em> &lt; 0.001). CZ consistently exhibited higher color differences than PA across all conditions. Thinner specimens (0.8 mm) demonstrated greater sensitivity to substrate color, and increasing the thickness to 1.5 mm resulted in a reduction in color differences, particularly for CZ formulations. Thinner zirconia restorations (0.8 mm) require careful material selection and substrate matching to mitigate perceptible color shifts.</div></div><div><h3>Conclusion</h3><div>The accuracy of color matching of monolithic zirconia restorations is significantly influenced by material composition, thickness, and underlying substrate color. CZ demonstrated greater substrate transparency effects compared to PA, emphasizing the critical role of material selection in clinical outcomes.</div></div><div><h3>Clinical significance</h3><div>Clinicians should carefully consider the potential change of the color properties of monolithic zirconia restorations, especially in thin sections and with dark tooth substrate, when color masking is needed.</div></div>","PeriodicalId":15585,"journal":{"name":"Journal of dentistry","volume":"160 ","pages":"Article 105922"},"PeriodicalIF":4.8,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144368886","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A retrospective study evaluating the success of implant-supported overdentures following fully-guided static computer assisted implant surgery","authors":"Márton Kivovics ,&nbsp;Mercédesz Orsós ,&nbsp;Nikoletta Éva Birton ,&nbsp;Dániel Végh ,&nbsp;Eitan Mijiritsky ,&nbsp;Igor R. Blum","doi":"10.1016/j.jdent.2025.105924","DOIUrl":"10.1016/j.jdent.2025.105924","url":null,"abstract":"<div><h3>Objectives</h3><div>This retrospective cohort study aimed to determine the prosthetic success of overdentures supported by bar mesostructures on four dental implants, the survival rate of the implants placed using static Computer Assisted Implant Surgery (sCAIS), and the accuracy of implant placement.</div></div><div><h3>Methods</h3><div>Fully guided surgery was performed to place implants in the edentulous jaws of patients enrolled following virtual planning. Implant-supported overdentures were manufactured using a hybrid workflow. Patients were scheduled for clinical and radiographical evaluations and oral hygiene treatment at six-monthly intervals. The accuracy of implant placement was assessed by superimposing the postoperative desktop scans and the virtual plans.</div></div><div><h3>Results</h3><div>In total 60 implants were placed and 15 overdentures (11 maxillary and 4 mandibular) were delivered for 13 patients (10 male, 3 female; mean age: 69.3 ± 4.84 years) in this study. Patients were followed up for 23.23 ± 11.79 months. The prosthetic success, cumulative implant survival, and implant success rate were 100 %, 98.33 % and 93.33 % respectively. The incidence of periimplantitis was 3.33 % and 7.69, the incidence of periimplant mucositis was 28.33 % and 46.15 % on implant and patient level respectively. For the sCAIS procedures, the angular deviation was 3.19 ± 1.73 °, coronal global deviation was 1.51 ± 0.68 mm, and apical global deviation was 1.56 mm (median); range: 3.77 mm.</div></div><div><h3>Conclusion</h3><div>Overdentures supported by bar mesostructures on four dental implants placed using sCAIS demonstrate a high rate of prosthetic success and a clinically acceptable incidence of biological and biomechanical complications during the two-year follow-up.</div></div><div><h3>Clinical significance</h3><div>Delivering an overdenture supported by a bar mesostructure on four dental implants placed using sCAIS is a predictable treatment modality in the management of the edentulous patient.</div></div>","PeriodicalId":15585,"journal":{"name":"Journal of dentistry","volume":"160 ","pages":"Article 105924"},"PeriodicalIF":4.8,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144368883","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Tack-cure vs conventional polymerization methods: A systematic review on resin composite cements’ properties","authors":"Carlo D’Alessandro ,&nbsp;Eugenia Baena ,&nbsp;Uros Josic ,&nbsp;Tatjana Maravic ,&nbsp;Edoardo Mancuso ,&nbsp;Laura Ceballos ,&nbsp;Annalisa Mazzoni ,&nbsp;Markus B. Blatz ,&nbsp;Lorenzo Breschi ,&nbsp;Claudia Mazzitelli","doi":"10.1016/j.jdent.2025.105917","DOIUrl":"10.1016/j.jdent.2025.105917","url":null,"abstract":"<div><h3>Objectives</h3><div>This systematic review aimed to address the following research question: “What is the effect of tack-cure compared to conventional polymerization methods on the resin composite cements’ properties?”.</div></div><div><h3>Data and sources</h3><div>A comprehensive literature search was conducted across electronic databases, including Clarivate Analytics’ Web of Science, Cochrane Library, EMBASE, PubMed, Scopus, and ProQuest, without language or publication date restrictions. <em>In vitro</em> studies comparing tack-cure (TC) with conventional polymerization methods (light-cure, LC, and/or self-cure, SC) were included. The risk of bias was assessed using the QUIN tool for <em>in vitro</em> studies. This systematic review was reported in accordance with PRISMA guidelines.</div></div><div><h3>Results</h3><div>Sixteen relevant articles were included in this systematic review. According to the QUIN tool, 1 study was ranked as \"low risk,\" 12 studies as \"medium risk,\" and 3 studies as \"high risk\" of bias. The resin cements evaluated were mainly dual-cure (DC) adhesive/multistep and self-adhesive/one step materials, whereas only 1 universal cement was investigated. Overall, TC provided comparable or superior mechanical properties compared to LC, and consistently outperformed SC alone. Furthermore, TC facilitated excess cement removal and improved interface quality. However, outcomes varied depending on the type of resin cement, polymerization protocol, and evaluation method.</div></div><div><h3>Conclusions</h3><div>TC can provide mechanical properties and interface quality comparable or superior to conventional polymerization methods, while facilitating excess cement removal.</div></div><div><h3>Clinical significance</h3><div>TC appears to be a clinically useful technique that enhances handling without adversely affecting resin composite cements' properties. Clinicians should always follow manufacturers’ instructions and consider cement-specific characteristics.</div></div>","PeriodicalId":15585,"journal":{"name":"Journal of dentistry","volume":"160 ","pages":"Article 105917"},"PeriodicalIF":4.8,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144336572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Two-year evaluation of periodontal parameters following deep-margin-elevation and CAD/CAM partial lithium disilicate restorations – a prospective controlled clinical trial","authors":"Tim Hausdörfer ,&nbsp;Philipp Kanzow ,&nbsp;Tina Rödig ,&nbsp;Annette Wiegand ,&nbsp;Clemens Lechte","doi":"10.1016/j.jdent.2025.105901","DOIUrl":"10.1016/j.jdent.2025.105901","url":null,"abstract":"<div><h3>Objectives</h3><div>This prospective clinical trial evaluated periodontal parameters at proximal deep-margin-elevation (DME) restoration margins 2 years after placement and compared them with baseline values and with supragingival/equigingival margins (control) on the opposite proximal surface of the same tooth.</div></div><div><h3>Methods</h3><div>One-sided subgingival proximal defects in (pre-)molars were restored using composite DME and CAD/CAM-manufactured lithium disilicate partial restorations. Periodontal parameters (bleeding on probing (BOP), probing depths (PD), plaque index (PI)) were recorded after ceramic insertion (baseline) and at 2-year follow-up, and compared between DME and control (Fisher’s exact test and Wilcoxon signed rank test, <em>p</em> &lt; 0.05).</div></div><div><h3>Results</h3><div>Sixty-eight patients with 77 restorations were included; 51 patients with 57 restorations were re-evaluated at 2 years. Two restorations were replaced (ceramic fracture, secondary caries), and one tooth developed apical periodontitis. Periodontal parameters were not significantly different at baseline. After 2 years, BOP increased significantly at the DME (p_adj. = 0.010), but not at controls (p_adj. = 0.517); but BOP was not significantly different between DME and control (p_adj. = 0.110). PD was significantly higher in DME vs. control (p_adj_. = 0.015), but remained stable in both groups over the 2-year period (DME: p_adj_. = 0.171, control: p_adj_. = 0.517). PI increased significantly in both groups (p_adj. &lt; 0.001), but did not differ between both sides (p_adj. = 0.341).</div></div><div><h3>Conclusion</h3><div>Proximal DME was associated with increased gingival inflammation at 2-year recall compared to baseline.</div></div><div><h3>Clinical significance</h3><div>DME is a promising approach for restoring teeth with deep proximal defects, but proximal DME is associated with increased gingival inflammation. The periodontal situation remains stable after the first year of placement.</div></div>","PeriodicalId":15585,"journal":{"name":"Journal of dentistry","volume":"160 ","pages":"Article 105901"},"PeriodicalIF":4.8,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144307295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Validation of intraoral scanner as a tool for the epidemiological diagnosis of caries","authors":"Ândrea P. Daneris ,&nbsp;Sarah Arangurem Karam ,&nbsp;Fausto Medeiros Mendes ,&nbsp;Maximiliano Sérgio Cenci ,&nbsp;Flávio Fernando Demaco ,&nbsp;Marcos Britto Correa","doi":"10.1016/j.jdent.2025.105913","DOIUrl":"10.1016/j.jdent.2025.105913","url":null,"abstract":"<div><h3>Objectives</h3><div>This study aimed to validate the use of 3D images obtained with an intraoral scanner (IOS) for caries detection in a population-based cohort study.</div></div><div><h3>Methods</h3><div>A random sample of individuals from the Pelotas 1982 Birth Cohort was assessed at 40 years of age. Calibrated dentists clinically examined participants using merged ICDAS criteria for caries lesion detection at the tooth surface level: 0 – sound; A – initial lesion; B – moderate lesion; C – severe lesion. 3D images were acquired using an IOS (TRIOS 3 – 3Shape®). A calibrated evaluator assessed dental caries through 3D images using the same ICDAS criteria. Diagnostic properties of using IOS 3D images to detect caries were calculated, considering the clinical examination as the gold standard, with different cut-off points based on lesion stage at individual, tooth, and surface levels.</div></div><div><h3>Results</h3><div>A total of 99 individuals, 2664 teeth, and 11,519 surfaces were assessed. At the individual level, sensitivity values for initial, moderate, and severe lesions were 86.1 %, 77.8 %, and 80.6 %, respectively. Specificity was 40 % for initial, 55.6 % for moderate, and 93.7 % for severe lesions. At the tooth level, sensitivity was 38.6 % for initial, 56.8 % for moderate, and 72.5 % for severe lesions, with specificity values ranging from 91.5 % to 99.4 %. At the surface level, sensitivity values were 50.2 % for initial, 71.7 % for moderate, and 82.0 % for severe lesions. Specificity values at the surface level were all higher than 97 %. Areas under the ROC curve varied from 0.63 to 0.91, considering all levels and cut-off points. Diagnostic properties improved as the severity of lesions increased for all analysis levels.</div></div><div><h3>Conclusions</h3><div>The findings suggest that 3D images obtained through an intraoral scanner may be a valid tool for assessing dental caries in epidemiological settings, particularly for detecting moderate to severe lesions.</div></div><div><h3>Clinical Significance</h3><div>This study validates intraoral scanners as a tool for detecting moderate and severe caries lesions in epidemiological research, with the possibility of use for remote diagnosis, telehealth applications, and standardized data collection in large-scale oral health surveillance.</div></div>","PeriodicalId":15585,"journal":{"name":"Journal of dentistry","volume":"160 ","pages":"Article 105913"},"PeriodicalIF":4.8,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144336573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}