Journal of Esthetic and Restorative Dentistry最新文献

{"title":"A Randomized Controlled Trial Comparing the Socket Seal Technique to Guided Bone Regeneration in Alveolar Ridge Preservation.","authors":"Lenz Surdiacourt, Jeremy Pitman, Robbe De Keyser, Wout Willems, Jan Cosyn","doi":"10.1111/jerd.70279","DOIUrl":"https://doi.org/10.1111/jerd.70279","url":null,"abstract":"<p><strong>Aim: </strong>To compare alveolar ridge preservation (ARP) with the socket seal technique (SS) to the Guided Bone Regeneration technique (GBR).</p><p><strong>Materials and methods: </strong>Systemically healthy patients planned for ARP at two sites with an intact bone wall or a buccal dehiscence of up to 6 mm were included. Following socket grafting with collagen-enriched deproteinized bovine bone mineral, sites were randomly allocated to the SS group using a collagen matrix or GBR group using a collagen membrane. The primary outcome was soft tissue thickness at the center of the site at 4 months. Secondary outcomes included changes in hard and soft tissue dimensions and the Socket Wound Healing Score (SWHS).</p><p><strong>Results: </strong>Eighteen patients (13 females, 5 males) with a mean age of 61 years (SD 7.36) participated in this intra-subject RCT. There was no significant difference in soft tissue thickness at the center of the site between the groups (MD 0.12 mm; 95% CI: -0.67; 0.91; p = 0.750). Changes in hard and soft tissue dimensions also failed to show significant differences. However, during the early healing phase, significantly faster wound closure (p ≤ 0.009) and a lower SWHS (p = 0.008) were observed in the SS group. Implants could be installed in all sites, and additional bone augmentation was required in 6% of the sites. Additional soft tissue augmentation was performed in 22% of the sites.</p><p><strong>Conclusion: </strong>No significant difference in soft tissue thickness was detected between the SS and GBR technique.</p><p><strong>Trail registration: </strong>ClinicalTrials.gov identifier NCT06029322.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":4.6,"publicationDate":"2026-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149110777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of Simulated Clinical Finishing/Polishing Protocols and Thermocycling on the Surface Integrity and Mechanical Performance of 3Y-TZP.","authors":"Cecília Alves de Sousa, Henrico Badaoui Strazzi-Sahyon, Ariane Rodrigues Barion, Paulo Henrique Dos Santos, Wirley Gonçalves Assunção","doi":"10.1111/jerd.70278","DOIUrl":"https://doi.org/10.1111/jerd.70278","url":null,"abstract":"<p><strong>Purpose: </strong>This in vitro study evaluated the influence of different finishing and polishing protocols associated with thermocycling aging on surface roughness, flexural strength, and topography of 3Y-TZP.</p><p><strong>Methods and materials: </strong>Two hundred and eighty-six specimens (16 × 3 × 1 mm) were distributed into 22 groups (n = 13) according to the finishing/polishing protocol and thermocycling aging (with [18,000 cycles at 5°C and 55°C] or without aging). The groups included: control (no finishing or polishing), polishing with an intraoral polishing kit without previous finishing, positive control (laboratory polishing/glazing), and a factorial combination of finishing procedures performed using either high-speed rotation or a multiplier contra-angle, associated or not with irrigation and intraoral polishing. Surface roughness and flexural strength tests were performed, and representative specimens from each group were analyzed by scanning electron microscopy (SEM) to assess surface topography. Data were analyzed using two-way ANOVA followed by Tukey's post hoc test (α = 0.05).</p><p><strong>Results: </strong>Surface roughness was significantly affected by the finishing/polishing protocols (p < 0.0001). The multiplier contra-angle promoted significantly greater roughness than the control (p = 0.0237) and positive control groups (p < 0.0001). No significant differences were observed in flexural strength among the groups (p > 0.05). Thermocycling aging did not significantly affect either surface roughness or flexural strength (p > 0.05). SEM analysis corroborated the roughness findings, demonstrating more irregular surface patterns after intraoral adjustment procedures.</p><p><strong>Conclusion: </strong>Finishing/polishing protocols influenced the 3Y-TZP surface integrity, whereas its flexural strength remained unaffected, even after thermocycling aging. Although laboratory glazing remained the most effective approach for producing smooth zirconia surfaces, careful intraoral polishing represented a clinically acceptable alternative following conservative adjustment.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":4.6,"publicationDate":"2026-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149110801","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of Translucency and Thickness of Zirconia and Lithium Disilicate Veneered Frameworks in Different Shades on the Masking Ability of Discolored Substrates.","authors":"Duvan Cala Castillo, Rafaela Oliveira Pilecco, Gabriel Kalil Rocha Pereira, Ataís Bacchi","doi":"10.1111/jerd.70276","DOIUrl":"https://doi.org/10.1111/jerd.70276","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of the present study was to assess the substrate masking ability of veneered zirconia and lithium disilicate ceramic frameworks in two shades and with different thicknesses and translucencies.</p><p><strong>Material and methods: </strong>Disc-shaped framework specimens (8 mm in diameter; 0.8 mm and 1.3 mm in thickness) were fabricated with lithium disilicate (LD) (from ingots of medium-opacity, MO and high-opacity, HO) and zirconia (3Y-TZP, sintered at 1350°C and 1550°C, to modulate translucency). Porcelain discs (0.4 mm dentin and 0.3 mm enamel) were produced as veneer layers. Specimens were produced in shades A1 and BL2. Lightness (L*), chroma (C*), and hue angle (h°) were measured. The translucency parameter (TP₀₀) and whiteness index for dentistry (WI_D) were calculated. Color differences (∆E₀₀) were assessed from data obtained from ceramic specimens placed over reference (A1) and discolored substrates (A4, C4, coppery and silvery metals). Data were analyzed with one-way ANOVA and the Tukey test (α = 0.05). ∆E₀₀ values were compared with the perceptibility (PT = 0.81) and acceptability (AT = 1.77) thresholds. Pearson correlation analysis was performed for the outcomes of TP₀₀ and ∆E₀₀.</p><p><strong>Results: </strong>All outcomes of the study were significantly influenced by the different frameworks (p < 0.001). Specimens of 3Y-TZP sintered at 1350°C and LD-HO showed higher L* and C* and lower h°, WI_D, TP₀₀, and ∆E₀₀ values than the other groups, especially with thicker frameworks (p < 0.001); ∆E₀₀ values below the PT and AT were obtained with the referred specimens over all discolored substrates for both A1 and bleach-shade ceramics. Specific groups of LD-MO and 3Y-TZP sintered at 1550°C showed ∆E₀₀ values below the AT over A4 and copper-colored metal substrates. Thicker frameworks reduced TP₀₀ and ∆E₀₀ values of all ceramics. Outcomes of TP₀₀ and ∆E₀₀ showed a strong and positive correlation.</p><p><strong>Conclusions: </strong>Masking of discolored substrates was achieved with veneered zirconia and lithium disilicate frameworks, depending on ceramic thickness and translucency relative to each substrate.</p><p><strong>Clinical significance: </strong>Discolored substrates can be predictably masked by ceramic restorations produced with porcelain-veneered frameworks, especially those of 3Y-TZP zirconia sintered at lower temperatures and from lithium disilicate with high opacity. Such outcomes are obtained for both A1 and bleach-shade ceramics.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":4.6,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149110798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Color Matching and Surface Roughness of Initial Enamel Caries After Treatment With Different Remineralizing Agents.","authors":"Tarek Adel Arisha, Mohamed Elshirbeny Elawsya, Abeer ElSayed ElEmbaby","doi":"10.1111/jerd.70275","DOIUrl":"https://doi.org/10.1111/jerd.70275","url":null,"abstract":"<p><strong>Objectives: </strong>To evaluate and compare the effect of four different remineralizing agents on color matching and surface roughness of initial enamel caries.</p><p><strong>Materials and methods: </strong>Forty maxillary central incisors were allocated into four groups (n = 10) according to the remineralizing agent used: Curodont Repair Fluoride Plus, 10% nano-hydroxyapatite, 10% nano-bioactive glass, and Fluor Protector S. Artificial caries lesions were induced by immersion in a demineralizing solution. Color was assessed using a spectrophotometer, and surface roughness was measured with a contact profilometer. Data were analyzed using one-way ANOVA and Tukey's post hoc tests (p < 0.05).</p><p><strong>Results: </strong>Fluor Protector S exhibited the highest color change (ΔE₀₀), whereas Curodont Repair Fluoride Plus showed the lowest. Curodont Repair Fluoride Plus significantly reduced surface roughness compared with the other groups, while Fluor Protector S showed the highest roughness values.</p><p><strong>Conclusions: </strong>The greatest color-masking effect was observed with Curodont Repair Fluoride Plus and 10% nano-bioactive glass. Nevertheless, none of the tested treatments was able to completely restore the original enamel color. Flour Protector S showed the least effect in restoring surface smoothening compared to other materials, while Curodont Repair Fluoride Plus showed the greatest effect in reducing surface roughness of initial enamel caries.</p><p><strong>Clinical significance: </strong>Curodont Repair Fluoride Plus may be recommended for the management of initial enamel caries due to its enhanced ability to promote favorable color integration and surface smoothening compared to other remineralizing agents, contributing to improved clinical outcomes.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":4.6,"publicationDate":"2026-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149081030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of Silane Incorporation on the Bonding Performance of Universal Adhesives to Dentin.","authors":"Diego Melendez, Camila Farias Monteles, Eduarda Kaizer Vieira, Pedro H Moreira, Alessandro D Loguercio","doi":"10.1111/jerd.70259","DOIUrl":"https://doi.org/10.1111/jerd.70259","url":null,"abstract":"<p><strong>Purpose: </strong>The effect of silane in universal adhesives (UAs) on dentin adhesion remains unclear. Therefore, this study evaluated the dentin bonding of UAs with and without silane immediately and after thermocycling.</p><p><strong>Materials and methods: </strong>Sixty-four sound human molars were randomly assigned to eight groups according to silane incorporation (UAs without silane: Scotchbond Universal [SBU] and Ambar Universal APS [AUA]; and UAs with silane: Scotchbond Universal Plus [SUP] and Ambar Universal APS Plus [AUP]), bonding strategy (etch-and-rinse [ER] or self-etch [SE]), and evaluation time (immediate or after thermocycling). Adhesives were applied to occlusal dentin and restored with composite resin. Resin-dentin sticks (0.8 mm²) were prepared for microtensile bond strength (μTBS), nanoleakage (NL), and degree of conversion (DC). Data were statistically analyzed (α = 0.05).</p><p><strong>Results: </strong>Thermocycling significantly reduced μTBS for all adhesives (p < 0.001), while silane incorporation had no effect (p = 0.31). ER showed higher μTBS than SE (p < 0.001). After thermocycling, NL was similar among adhesives in ER but differed in SE, particularly between SBU and SUP (p < 0.001). DC was unaffected by adhesive type or bonding strategy.</p><p><strong>Conclusions: </strong>Dentin bonding of UAs was mainly influenced by bonding strategy and aging, whereas silane incorporation showed a limited effect.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":4.6,"publicationDate":"2026-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149016631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Two-Color Overlay Occlusal Adjustment for Implant-Supported Single Crowns: A Chairside Clinical Technique.","authors":"Luis Fernando Ferraz Basílio Soares, Matheus Souza Campos Costa, Ana Lúcia Pompeia Fraga de Almeida, Brunna Mota Ferrairo, Vinícius Carvalho Porto","doi":"10.1111/jerd.70273","DOIUrl":"https://doi.org/10.1111/jerd.70273","url":null,"abstract":"<p><strong>Objective: </strong>To describe a chairside two-color overlay method for qualitative comparison of occlusal contact markings recorded before and after seating an implant-supported single crown.</p><p><strong>Clinical considerations: </strong>Baseline contacts are recorded on adjacent and opposing natural teeth while the implant site remains edentulous, using one surface color of a two-sided articulating medium. After definitive crown seating, contacts are recorded under the same conditions with the opposite color. Coincidence and noncoincidence of the two markings are used as visual references during routine clinical assessment and conservative refinement. The technique is intended for selected patients with stable occlusion, maintained vertical dimension, reproducible maximal intercuspal position, and reliable reference teeth. It provides neither force nor timing measurements, and interpretation remains operator dependent.</p><p><strong>Conclusions: </strong>The two-color overlay method is a qualitative chairside aid intended to support clinician understanding and control during occlusal adjustment. It should not be interpreted as establishing greater restorative predictability, accuracy, or clinical superiority. Prospective comparative studies are required to determine criterion validity, examiner reliability, and clinical outcomes.</p><p><strong>Clinical significance: </strong>This chairside workflow provides a qualitative visual aid for comparing baseline and post-seating occlusal markings in selected patients with stable occlusion and reliable reference teeth. Its intended role is to support clinician understanding and control during adjustment, not to quantify force or timing or to establish greater restorative predictability. Potential clinical advantages require confirmation in prospective comparative studies.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":4.6,"publicationDate":"2026-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149016862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Performance and Time Efficiency of Artificial Intelligence-Based Programs for the Automatic Design of Occlusal Devices and Restorations: A Systematic Review.","authors":"Marta Revilla-León, Abdul Basir Barmak, John C Kois, Miguel Gómez-Polo","doi":"10.1111/jerd.70271","DOIUrl":"https://doi.org/10.1111/jerd.70271","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate the accuracy and time efficiency of artificial intelligence (AI)-based programs for designing occlusal devices and tooth-supported restorations.</p><p><strong>Material and methods: </strong>A search was completed in 5 databases: PubMed/Medline, Scopus, Embase, Web of Science, and Cochrane. A manual search was also conducted. Studies evaluating the accuracy and time efficiency of commercially available AI-based programs for designing occlusal devices, inlays, onlays, and tooth-supported crowns and fixed dental prostheses (FDPs) were included. Two investigators evaluated the studies independently using the Joanna Briggs Institute critical appraisal. A third examiner was consulted to resolve a lack of consensus.</p><p><strong>Results: </strong>Twenty-four studies were included: 21 evaluated single crowns (including three assessing finish-line location accuracy), two investigated inlays/onlays, one assessed occlusal device designs, and one evaluated the accuracy of AI-generated 3-unit fixed dental prostheses (FDPs). Additionally, four of the 21 studies examined the time efficiency of AI-based design software.</p><p><strong>Conclusions: </strong>Across all studies, AI-based programs consistently demonstrated shorter design times than conventional workflows. AI-based program performance varied by restoration type. However, the available evidence was limited and characterized by substantial heterogeneity. Therefore, further well-designed studies are required before definitive conclusions can be drawn regarding the performance of these AI-based programs.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":4.6,"publicationDate":"2026-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149008656","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Partial Mock-Up-Guided Rehabilitation of Severe Tooth Wear: A Clinical Technique.","authors":"Bérangère Cournault, Tatiana Roman, Xavier Van Bellinghen, Olivier Etienne","doi":"10.1111/jerd.70272","DOIUrl":"https://doi.org/10.1111/jerd.70272","url":null,"abstract":"<p><strong>Objective: </strong>This article describes a staged temporary occlusal protocol for selected patients with severe tooth wear and altered mandibular closure, illustrated through a clinical case.</p><p><strong>Clinical considerations: </strong>Advanced tooth wear may be associated with a protrusive mandibular posture, reduced posterior support, and incisal-dominant function. A structured temporary occlusal phase based on a bonded resin mock-up can be used to progressively re-establish posterior support while controlling anterior contacts. Clinical evaluation, combined with adjunctive functional monitoring when available, may help assess adaptation and guide refinement of the occlusal scheme before definitive treatment.</p><p><strong>Conclusions: </strong>A structured temporary phase may provide a clinical option for reassessing occlusal relationships and refining the definitive rehabilitation plan in selected complex situations.</p><p><strong>Clinical significance: </strong>Temporary occlusal rehabilitation may serve as a reversible evaluative phase in the management of selected patients with severe tooth wear associated with reduced posterior support, persistent anterior contacts, and a protrusive mandibular closure pattern.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":4.6,"publicationDate":"2026-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149008615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of Various Tooth Preparation Designs on Stress Distribution in Anterior Ceramic Veneers: A Systematic Review of Finite Element Analysis Studies.","authors":"Atiyeh Feiz, Mostafa Farajzadeh, Ahmad Farajzadeh","doi":"10.1111/jerd.70261","DOIUrl":"https://doi.org/10.1111/jerd.70261","url":null,"abstract":"<p><strong>Objective: </strong>This systematic review compared the stress distribution patterns in anterior ceramic veneers with different tooth preparation designs by evaluating finite element analysis (FEA) studies, aiming to improve understanding of this biomechanical aspect related to clinical outcomes.</p><p><strong>Materials and methods: </strong>A systematic search of PubMed, Scopus, Web of Science, and Embase, along with gray literature sources was performed (January 1990-June 2025) to identify FEA studies comparing at least two preparation designs based on a modified preparation classification. Data were extracted using a customized form, and risk of bias was assessed with the ROBFEAD tool. (PROSPERO: CRD420251127762).</p><p><strong>Results: </strong>Out of 9576 studies, 34 were included. In veneers and cement layers, stress concentration was most observed at both incisal and cervical regions, whereas cervical concentration predominated in tooth structures. Higher loading angles increased stress values. Preparations without incisal reduction often showed stress values comparable to or greater than those with incisal reduction. Designs with palatal chamfer frequently demonstrated additional stress concentration in the palatal region.</p><p><strong>Conclusions: </strong>Preparation design and loading angle influence stress distribution patterns in veneer restorations; however, no single design consistently demonstrates biomechanically superior performance across all conditions. Further standardized FEA studies with clearly justified modeling assumptions are recommended.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":4.6,"publicationDate":"2026-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148989376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative Radiopacity of Additively Manufactured Permanent and Temporary Resins and Conventional Resin-Based Composites","authors":"Sinem Coşkun-Albayrak,&nbsp;Ayşenur Öncü,&nbsp;Sedanur Sakalli,&nbsp;Esra Yildirim-Manav","doi":"10.1111/jerd.70209","DOIUrl":"10.1111/jerd.70209","url":null,"abstract":"&lt;div&gt;\u0000 \u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Objective&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;This study aimed to evaluate whether radiopacity differs among additively manufactured permanent resins, temporary resins, and conventional resin-based composites at clinically relevant thicknesses.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Materials and Methods&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Eight dental materials were evaluated and categorized into four groups: additively manufactured permanent resins (VarseoSmile Crown Plus, Saremco Print CrownTec), additively manufactured temporary resins (Arma Resin TEMP Teeth, Alias Temp C&amp;B), conventional self-cure resin-based composites (Stela Automix, Stela Capsule), and conventional light-cure resin-based composites (Gradia Posterior, G-ænial Injectable). Rectangular specimens (5 × 5 mm) were fabricated at two standardized thicknesses (1 and 2 mm) (&lt;i&gt;n&lt;/i&gt; = 10). Extracted human tooth sections and a 21-step aluminum wedge were used as reference standards. Radiographic images were obtained using a digital intraoral radiography system, and radiopacity values were measured in mmAl using ImageJ software. Statistical analysis was performed using Kruskal–Wallis, Dunn–Bonferroni, and Mann–Whitney &lt;i&gt;U&lt;/i&gt; tests (&lt;i&gt;α&lt;/i&gt; = 0.05).&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Results&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Significant differences in radiopacity were observed among the tested materials (&lt;i&gt;p&lt;/i&gt; &lt; 0.05). Additively manufactured temporary resins demonstrated the lowest radiopacity values, whereas conventional resin-based composites exhibited the highest radiopacity. Permanent additively manufactured resins showed intermediate radiopacity values. Increasing specimen thickness from 1 to 2 mm significantly increased radiopacity values for all materials (&lt;i&gt;p&lt;/i&gt; &lt; 0.001). Several temporary additively manufactured materials presented radiopacity values lower than dentin and enamel.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Conclusion&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;The findings suggest that radiopacity varies significantly among restorative materials and is influenced by specimen thickness. In particular, the relatively low radiopacity of some additively manufactured resins may limit their radiographic detectability, which should be considered during material selection in clinical practice.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Clinical Significance&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Radiopacity differences among restorative materials may influence the detection of recurrent caries and restoration margins. Lower radiopacity of some additively manufactured resins highlights the importance of careful mater","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":"38 10","pages":"2043-2051"},"PeriodicalIF":4.6,"publicationDate":"2026-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jerd.70209","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148277539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}