Journal of Esthetic and Restorative Dentistry最新文献

{"title":"Influence of Immediate Post-Bleaching Polishing on Enamel Color, Morphology, and Sensitivity: A Randomized Clinical Trial","authors":"Antonia Patricia Oliveira Barros,&nbsp;Ana Maria Neves Damião,&nbsp;Hilton Túlio Costi,&nbsp;Jesuína Lamartine Nogueira Araújo,&nbsp;Cecy Martins Silva","doi":"10.1111/jerd.70214","DOIUrl":"10.1111/jerd.70214","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>This study evaluated the influence of polishing on enamel color change after in-office bleaching treatment on tooth morphology and sensitivity.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials and Methods</h3>\u0000 \u0000 <p>A total of 50 volunteers were randomized into two groups (<i>n</i> = 25): in-office bleaching with 35% hydrogen peroxide gel for 45 min without polishing (GSEM) or with polishing (GP). Color analysis was performed four times, at the beginning of the starting line and immediately after the first, second, and third bleaching sessions with a spectrophotometer. A qualitative analysis of enamel morphology was performed under a scanning electron microscope. Tooth sensitivity was assessed daily using the Visual Analog Scale (<i>α</i> = 0.05).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>There was no statistically significant difference (<i>p</i> &gt; 0.05) in tooth color change when comparing Δ<i>E</i>, Δ<i>E</i>₀₀, and ΔWID between the groups. The enamel surface showed larger areas of irregularities and depressions in the GP group than in the GSEM group. There was no difference in tooth sensitivity (<i>p</i> &gt; 0.05) between the groups.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Polishing after whitening in the office does not change the color and sensitivity of the tooth but promotes greater changes in the morphology of the enamel, such as increased surface roughness.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Clinical Relevance</h3>\u0000 \u0000 <p>Polishing immediately after teeth whitening causes greater changes in enamel surface morphology.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":"38 10","pages":"1892-1900"},"PeriodicalIF":4.6,"publicationDate":"2026-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148308250","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":"Fatigue Survival of Lithium Disilicate, 3D-Printed Composite, and Injection-Molded Direct Composite Veneers","authors":"Silvia Rojas-Rueda,&nbsp;Augusto A. Robles,&nbsp;Emerson Martins,&nbsp;Mohamed Hammamy,&nbsp;Nathaniel C. Lawson","doi":"10.1111/jerd.70200","DOIUrl":"10.1111/jerd.70200","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>To evaluate and compare the fatigue performance of veneers fabricated from lithium disilicate, 3D-printed resin composite, and injection-molded direct resin composite under standardized cyclic loading.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials and Methods</h3>\u0000 \u0000 <p>Thirty extracted human maxillary central incisors (<i>n</i> = 10 per group) received standardized veneer preparations. Veneers were fabricated using CAD/CAM milling (lithium disilicate), additive manufacturing (3D-printed resin composite), or injection molding (direct composite). Specimens were adhesively bonded following manufacturer protocols, thermocycled (10,000 cycles) and subjected to cyclic fatigue loading (200 N, 1.6 Hz) for up to 1,000,000 cycles. Fatigue survival was analyzed using Kaplan–Meier and log-rank tests.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Significant differences in survival distributions were observed (<i>p</i> &lt; 0.001). Lithium disilicate showed the highest fatigue performance, with 80% survival at 1,000,000 cycles and a mean survival of 954,060 cycles. 3D-printed resin composite showed the lowest survival (mean: 134,878 cycles), while direct resin composite exhibited intermediate performance (mean: 460,453 cycles). Failure modes varied by material, with lithium disilicate demonstrating debonding, 3D-printed resin presenting multiple failure types, and direct composite limited to incisal fractures.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Lithium disilicate demonstrated superior fatigue performance compared with resin-based materials. Injection molded direct composite performed better than 3D-printed resin composite with more repairable fractures.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Clinical Significance</h3>\u0000 \u0000 <p>Although lithium disilicate restorations remain the most durable material choice for anterior veneers, injection molded direct composites offer an economical option with possibly repairable fractures.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":"38 10","pages":"1991-2001"},"PeriodicalIF":4.6,"publicationDate":"2026-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148205259","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 Surface Conditioning Protocols and Lining Materials on the Fracture Resistance of Aged 3D-Printed Onlay Restorations","authors":"Ali A. Elkaffas,&nbsp;Abdullah Alshehri,&nbsp;Hadi Alamri,&nbsp;Patricia Pereira,&nbsp;Saleh Alhindi","doi":"10.1111/jerd.70201","DOIUrl":"10.1111/jerd.70201","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>This in vitro study evaluated the effects of surface conditioning protocols and lining material type on fracture resistance and failure behavior of 3D-printed methacrylate resin onlay restorations.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials and Methods</h3>\u0000 \u0000 <p>One hundred twenty 3D-printed onlays were fabricated and allocated to four surface conditioning protocols: no treatment, airborne particle abrasion with aluminum oxide (Al₂O₃), universal adhesive application, and combined Al₂O₃ abrasion followed by adhesive application. Each group was further subdivided according to the lining material used: bis-acryl composite, polymethylmethacrylate, or flowable composite (<i>n</i> = 10). Following surface conditioning and lining procedures, all specimens were subjected to thermomechanical aging. Fracture resistance was subsequently measured using a universal testing machine.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Two-way ANOVA revealed that the surface conditioning protocol (<i>p</i> &lt; 0.001) and lining material (<i>p</i> &lt; 0.001) had a significant influence on fracture resistance, with a significant interaction between the two factors (<i>p</i> = 0.003). Surface-treated specimens showed significantly higher fracture resistance than untreated controls (<i>p</i> &lt; 0.05). The combined Al₂O₃ and adhesive protocol produced the highest fracture resistance values, although differences among surface-treated groups were not consistently significant (<i>p</i> &gt; 0.05). Flowable composite liners demonstrated significantly higher fracture resistance than bis-acryl composite and polymethylmethacrylate across all protocols (<i>p</i> &lt; 0.05), whereas polymethylmethacrylate showed the lowest values. Failure analysis revealed a shift from predominantly adhesive failures in control groups to mixed and cohesive failures in surface-treated specimens.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Optimized surface conditioning combined with flowable composite lining enhances fracture resistance and interfacial integrity of 3D-printed resin onlay restorations.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Clinical Significance</h3>\u0000 \u0000 <p>From the clinical perspective, enhanced surface conditioning accompanied by flowable composite lining seems to be an effective approach for augmenting the fracture resistance and longevity of repaired or relined 3D-printed resin onlay restorations postaging.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":"38 10","pages":"2002-2012"},"PeriodicalIF":4.6,"publicationDate":"2026-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148205195","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":"Fracture Resistance of Reattached Tooth Fragments: Influence of Adhesive Curing Mode and Composite Viscosity","authors":"Esra Yildirim-Manav,&nbsp;Sema Yazici-Akbiyik,&nbsp;Sedanur Sakalli,&nbsp;Cansu Yikici-Çöl","doi":"10.1111/jerd.70206","DOIUrl":"10.1111/jerd.70206","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>To evaluate the influence of adhesive curing mode and composite viscosity type on the fracture resistance of reattached anterior teeth using the internal groove technique.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials and Methods</h3>\u0000 \u0000 <p>Seventy-two extracted human maxillary central incisors were fractured using a standardized protocol and randomly assigned to six groups according to adhesive curing mode (light-cure, self-cure, and dual-cure) and composite viscosity type (flowable and packable) (<i>n</i> = 12). Fragments were reattached using standardized procedures. All specimens were subjected to thermocycling (5000 cycles) and fracture resistance was measured using a universal testing machine. Fracture resistance recovery (%) was calculated. Data were analyzed using two-way ANOVA and Tukey post hoc tests (<i>α</i> = 0.05).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Both adhesive curing mode and composite viscosity type significantly influenced fracture resistance (<i>p</i> &lt; 0.001), while no significant interaction between factors was observed (<i>p</i> &gt; 0.05). The highest fracture resistance recovery was observed in the dual-cure packable group, whereas the lowest values were recorded in the light-cure flowable group. Packable composites demonstrated higher fracture resistance than flowable composites across all adhesive curing modes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Dual-cure adhesives combined with packable composites demonstrated the highest fracture resistance, whereas light-cure adhesives with flowable composites demonstrated the lowest values.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Clinical Significance</h3>\u0000 \u0000 <p>Dual-cure adhesives combined with packable composites demonstrated higher fracture resistance in fragment reattachment procedures.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":"38 10","pages":"2023-2030"},"PeriodicalIF":4.6,"publicationDate":"2026-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jerd.70206","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148251942","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}

{"title":"Enhancement of Bond Strength, Degree of Conversion and Biocompatibility In Vitro Using a Hollow Glass Fiber Post With an Optical Illuminator in the Restoration of Endodontically Treated Teeth","authors":"Laís Carolina Landim Gomes,&nbsp;Leonardo Jiro Nomura Nakano,&nbsp;Lilian de Siqueira,&nbsp;Juliana dos Santos Lupp,&nbsp;Luana Marotta Reis de Vasconcellos,&nbsp;Tarcisio José de Arruda Paes Junior","doi":"10.1111/jerd.70212","DOIUrl":"10.1111/jerd.70212","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>Evaluate an optical fiber illuminator associated with a hollow glass post on resin cement's adhesive, physicochemical, and biological properties.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials and Methods</h3>\u0000 \u0000 <p>To enhance light transmission throughout the root canal, a photopolymerization optical fiber device was developed. Eighty bovine teeth were distributed into five groups (<i>n</i> = 16): CD (Commercial post, Allcem dual-cured cement); PL (Hollow post, Allcem light-cured cement); PD (Hollow post, Allcem dual-cured cement); POL (Optical illuminator, hollow post, Allcem light-cured cement); POD (Optical illuminator, hollow post, Allcem dual-cured cement). About 2 mm slices (<i>n</i> = 12) from cervical, middle, and apical thirds underwent a push-out bond test, fracture analysis, conversion of monomer degree (DC%), energy dispersive spectroscopy (EDS), and MTT cytotoxicity. Micro-CT (<i>n</i> = 4) evaluated the cementation interface.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Apical third exhibited higher adhesive strength compared to the middle third (<i>p</i> &lt; 0.001). Fiber optic lighting with a hollow glass fiber post and dual-cured cement (POD) from apical showed the highest bond strength and DC%. EDS proved suitable chemical components. Hollow glass fiber post and dual-cured cement (PD) from apical exhibited higher cell viability compared to commercial post (<i>p</i> &lt; 0.001). Micro-CT with 3D reconstruction evidenced the excellent adaptation of the post.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>The illuminator device efficiently improved cement's adhesive strength, degree of conversion for the dual-cured cement, especially in the apical third, and enhanced the biocompatibility of the proposed system.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Clinical Relevance</h3>\u0000 \u0000 <p>This novel optical device enhances light transmission within the root canal, improving post bonding and potentially leading to better clinical outcomes in the restoration of endodontically treated teeth.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":"38 10","pages":"2031-2042"},"PeriodicalIF":4.6,"publicationDate":"2026-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148264854","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":"Soft Tissue Volume Augmentation at Single Implant Sites Applying Collagen Matrices or Connective Tissue Grafts: 10-Year Follow-Up of a Randomized Controlled Trial","authors":"Franz J. Strauss,&nbsp;Margherita G. Liguori,&nbsp;Thomas J. W. Gasser,&nbsp;Nadja Naenni,&nbsp;Ronald E. Jung,&nbsp;Daniel S. Thoma","doi":"10.1111/jerd.70194","DOIUrl":"10.1111/jerd.70194","url":null,"abstract":"&lt;div&gt;\u0000 \u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Aim&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;To compare up to 10 years clinical, profilometric and patient-reported outcomes of implant sites previously augmented using a volume-stable collagen matrix (VCMX) or connective tissue graft (SCTG) in the aesthetic zone.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Methods&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;The original non-inferiority randomized controlled trial (RCT) enrolled 20 patients who received soft tissue volume augmentation with VCMX or SCTG at single implant sites. Clinical assessments and standardized measurements were performed at baseline after crown insertion and at 6 months, 1, 3, 5, 7.5, and 10 years. The primary outcome was mucosal thickness. Secondary outcomes included marginal bone levels (MBL), probing depth (PD), bleeding on probing (BOP), plaque control record, Pink Aesthetic Score (PES), OHIP-14 and buccal profilometric changes. Group comparisons were performed using mixed-effects and generalized estimating equation (GEE) models, which account for within-patient correlations due to repeated measurements and allow inclusion of all available data without requiring imputation for missing observations.&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;Of the 20 originally enrolled patients, 10 (5 in the SCTG group and 5 in the VCMX group) were available for re-examination at 10 years. The adjusted between-group difference in mucosal thickness was −0.02 mm (95% CI −0.99 to 0.96). As the lower bound of the confidence interval remained above the prespecified non-inferiority margin of −1 mm, non-inferiority of VCMX was shown. Buccal contour changes were comparable during the early follow-up, while a trend toward a greater long-term contour decrease was observed in group VCMX (−0.31 mm [95% CI, −0.65 to 0.03]; &lt;i&gt;p&lt;/i&gt; = 0.07). Mean PES values were 10.6 in the SCTG group and 9.6 in the VCMX group, with no significant between-group differences (&lt;i&gt;p&lt;/i&gt; = 0.45). Both groups revealed high levels of oral health–related quality of life, with low median OHIP-14 scores (SCTG, 0.0; VCMX, 1.0; &lt;i&gt;p&lt;/i&gt; = 0.26).&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;These preliminary long-term findings showed no clinically relevant differences between SCTG and VCMX in terms of clinical, profilometric and patient-reported outcomes. While SCTG remains the reference standard, VCMX represents a less invasive alternative but with a slight tendency toward greater long-term contour reduction.&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;Volume-stable col","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":"38 10","pages":"1920-1932"},"PeriodicalIF":4.6,"publicationDate":"2026-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jerd.70194","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147973030","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}

{"title":"Assessment of Monomer Release From Resin Composites Following the Use of Various Modeling Liquids","authors":"Dorukcan Yıldırım,&nbsp;Hüseyin Hatırlı,&nbsp;Emine Şirin Karaarslan,&nbsp;Tarık Balkan","doi":"10.1111/jerd.70195","DOIUrl":"10.1111/jerd.70195","url":null,"abstract":"&lt;div&gt;\u0000 \u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Objectives&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;The chemical composition of resin composites and the use of modeling liquids may influence the release of residual monomer, potentially impacting biocompatibility. This in vitro study evaluated the effect of different modeling liquids on the elution of monomers from two resin composites.&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;Eighty disc-shaped samples were prepared using two nano-hybrid resin composites (Estelite Sigma Quick, Tokuyama; Harmonize, KERR) and three modeling liquids; Composite Wetting Resin (Ultradent, USA), Modeling Resin (Bisco, USA), and Modeling Liquid (GC, Japan) (&lt;i&gt;n&lt;/i&gt; = 10). Resin composites were placed in four 0.5-mm increments into Teflon molds, and modeling liquids were applied with a brush between layers; control groups were prepared without modeling liquids. After polishing (Sof-Lex, 3 M ESPE), specimens were stored in 75% ethanol at 37°C. Release of UDMA, Bis-GMA, TEGDMA, and HEMA was quantified using a liquid chromatography–tandem mass spectrometry (LC–MS/MS) system (LCMS-8050, Shimadzu, Japan) at 24 h, 7 days, and 30 days. Data normality was assessed, and effects of resin composites type, modeling liquid, and time were analyzed using three-way ANOVA with Bonferroni post hoc testing (α = 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;Application of modeling liquid significantly reduced Bis-GMA release for both resin composites (&lt;i&gt;p&lt;/i&gt; &lt; 0.05). While TEGDMA release was significantly decreased in Estelite Sigma Quick groups (&lt;i&gt;p&lt;/i&gt; &lt; 0.05), no difference was observed in Harmonize groups. Modeling liquid applications increased total HEMA and UDMA release (&lt;i&gt;p&lt;/i&gt; &lt; 0.05). TEGDMA release in the Estelite Sigma Quick-control group was higher than the Harmonize-control group (&lt;i&gt;p&lt;/i&gt; &lt; 0.05).&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 organic matrix of composite resins and the modeling liquids used influence the release of the tested monomers (TEGDMA, BisGMA, UDMA, and HEMA). The use of modeling liquid showed differences in monomer release according to the content of the liquid.&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;Modeling liquids may increase residual monomer release from resin composites, particularly shortly after polymerization. Clinicians should use these materials sparingly and in accordance with manufacturers' instructions to minimize potential biocompatibility risks.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 ","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":"38 10","pages":"1933-1946"},"PeriodicalIF":4.6,"publicationDate":"2026-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jerd.70195","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147973093","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}

{"title":"Influence of Cavity Design, Bonding-Banding Sequence, and Thermomechanical Loading on the Marginal Adaptation of Class II Resin Composite Restorations","authors":"Hoda Saleh Ismail,&nbsp;Ashraf Ibrahim Ali,&nbsp;Hanan Ahmed Nabil Soliman","doi":"10.1111/jerd.70199","DOIUrl":"10.1111/jerd.70199","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>To evaluate whether differences exist in marginal adaptation among beveled and non-beveled cavity designs, different bonding-banding sequences, and before and after thermomechanical loading.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Forty molars received occluso-mesial preparations and were assigned to two groups: box-shaped cavities (<i>n</i> = 20) and cavities with buccal and palatal bevels (<i>n</i> = 20). Each group was subdivided based on whether adhesive was applied before or after matrix band placement. Restorations were replicated in epoxy, and marginal adaptation at proximal buccal, palatal, and gingival interfaces was examined by scanning electron microscopy (SEM) at ×200 magnification, using percentage of continuous margin (%CM) and by World Dental Federation (FDI) criteria after 24 h and after thermomechanical loading.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Cavity design did not significantly influence marginal adaptation. Bonding before banding improved immediate %CM at buccal-palatal margins. Thermomechanical loading significantly reduced %CM in all groups, while none of the tested variables influenced FDI scores.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Proximal beveling had no effect on adaptation. Bonding before banding enhanced immediate %CM values, with no significant effect after aging. Aging reduced %CM across all margins. SEM was more sensitive than FDI criteria in detecting marginal discrepancies.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Clinical Significance</h3>\u0000 \u0000 <p>Bonding before banding may improve immediate margins, though aging compromises adaptation.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":"38 10","pages":"1979-1990"},"PeriodicalIF":4.6,"publicationDate":"2026-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148163392","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":"In Vitro Effects of Combining Resin Infiltration and At-Home Bleaching on Hydrogen Peroxide Penetration, Color Change and Enamel Morphology","authors":"Bruno Baracco,&nbsp;Taynara S. Carneiro,&nbsp;Michel Wendlinger,&nbsp;Michael W. Favoreto,&nbsp;Laura Ceballos,&nbsp;Alessandro D. Loguercio","doi":"10.1111/jerd.70190","DOIUrl":"10.1111/jerd.70190","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>To evaluate the effect of resin infiltration (RI) prior to at-home bleaching on hydrogen peroxide (HP) penetration into the pulp chamber, color change, and enamel morphology in human teeth with sound enamel or white spot lesions (WSLs), using different RI protocols.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials and Methods</h3>\u0000 \u0000 <p>Sixty human premolars were randomly allocated into six groups (<i>n</i> = 10), according to enamel substrate (sound/WSLs) and treatment: at-home bleaching with 16% carbamide peroxide only (CP); RI with one prior acid-etching application followed by at-home bleaching (RI1/CP); and RI with three prior acid-etching applications followed by at-home bleaching (RI3/CP). HP penetration was quantified by UV–Vis spectroscopy. Color change was evaluated using a digital spectrophotometer (ΔE₀₀; WI_D). Enamel surface morphology was analyzed by SEM (<i>α</i> = 0.05).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>RI significantly reduced HP penetration into the pulp chamber compared with CP alone, with reductions of over 90%, regardless of enamel substrate or RI protocol. Without RI, artificially induced WSLs showed greater HP diffusion than sound enamel (<i>p</i> &lt; 0.05). Color outcomes (WI_D) were comparable between RI-treated and sound teeth. SEM showed more homogeneous surfaces after RI.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>RI prior to at-home bleaching with 16% CP reduced HP penetration into the pulp chamber without compromising bleaching efficacy. Comparable color outcomes were achieved in teeth with WSLs, irrespective of prior acid-etching applications.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Clinical Significance</h3>\u0000 \u0000 <p>When combined with at-home bleaching, RI may reduce HP diffusion into the pulp chamber and improve esthetic integration of artificially induced WSLs through optical masking. However, these findings are based on an in vitro model and should be interpreted with caution regarding clinical outcomes.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":"38 10","pages":"1947-1956"},"PeriodicalIF":4.6,"publicationDate":"2026-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jerd.70190","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147972999","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}

{"title":"Effects of Acidic Media on the Mechanical and Optical Properties of Digitally Designed Restorative Materials","authors":"Ismini Papoulidou,&nbsp;Petros Mourouzis,&nbsp;Andrea Baldi,&nbsp;Nicola Scotti,&nbsp;Dimitrios Dionysopoulos","doi":"10.1111/jerd.70197","DOIUrl":"10.1111/jerd.70197","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>This investigation assessed how acidic environments affect the optical behavior, surface roughness, and hardness of a newly developed 3D-printed permanent resin compared with commonly used computer-aided design/computer-aided manufacturing restorative blocks.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials and Methods</h3>\u0000 \u0000 <p>The materials tested were lithium disilicate, a polymer-infiltrated ceramic network, a nanoceramic resin block, and a 3D-printed composite. Specimens were stored in hydrochloric acid and Coca-Cola, with distilled water as the control medium. Changes in color, translucency, roughness, and hardness were measured before and after immersion. Data were analyzed using R (v4.5) with a significance level of <i>p</i> &lt; 0.05.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Lithium disilicate showed the greatest resistance to acidic conditions in both optical and mechanical properties. The polymer-infiltrated ceramic network and filler press and monomer infiltration materials showed intermediate stability under acidic challenges across all measured parameters. The 3D-printed resin was the least stable material. Gastric acid caused more pronounced deterioration than Coca-Cola, while water produced minimal changes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Acidic exposure negatively affected the performance of all tested restorative materials. Lithium disilicate remained largely unaffected, whereas the 3D-printed permanent resin showed significant vulnerability. These findings emphasize that material choice is critical for patients prone to erosive challenges such as reflux or frequent soft drink intake.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":"38 10","pages":"1957-1968"},"PeriodicalIF":4.6,"publicationDate":"2026-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jerd.70197","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148031570","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}