Journal of Esthetic and Restorative Dentistry最新文献

{"title":"Assessing the Impact of Vegan Toothpastes on Enamel Color Change and Surface Properties.","authors":"Reginna Vyctoria da Trindade Souza de Melo Carneiro, Raissa Manoel Garcia, Tais Scaramucci, Vanessa Cavalli","doi":"10.1111/jerd.13483","DOIUrl":"https://doi.org/10.1111/jerd.13483","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate color (ΔE₀₀) and whiteness index (ΔWI_D) changes, surface hardness loss (SHL), roughness (Ra), mineral content, and morphology of enamel brushed with vegan toothpastes.</p><p><strong>Methods: </strong>Enamel blocks (n = 10/group) were stained with black tea (T0) underwent 15.000 (T1) and 30.000 (T2) toothbrushing cycles with: (n = 10): (AS) Artificial Saliva (control); (CT) Colgate Total 12 Clean Mint; (CC) Turmeric, Clove, Tea Tree Extracts; (CA) Chamomile, Melissa and Grape Extracts; (CH) Pepper Mint and Turmeric Extracts; (ZM) Zero Mint; (ZH) Zero Pepper Mint; (ME) Mint Everest; (CM) Charcoal and Mint; (HA) Herbal Anis Mint and Tea Tree. Color parameters (ΔE₀₀, ΔWI_D), SHL, and Ra were recorded at T0, T1, and T2. At T2, mineral content (EDS) and surface morphology (SEM) were examined. Data were statistically analyzed (α = 0.05).</p><p><strong>Results: </strong>At T1, no differences in ΔE₀₀ and %SHL were observed among groups (p > 0.05). At T2, ZM, ZH, ME, and CM displayed higher ΔE₀₀ than AS, CC exhibited the highest %SHL, and Ra increased for all groups (p < 0.05). At T1 and T2, all toothpastes caused negative ΔWI_D values. None of the toothpastes triggered changes in enamel mineral content or surface morphology.</p><p><strong>Conclusions: </strong>Vegan toothpastes did not cause hardness loss or deleterious effects on enamel mineral content or morphology. However, they exhibited no whitening effect and increased enamel roughness.</p><p><strong>Clinical significance: </strong>Toothpastes indicated for vegan individuals are available, but there is little evidence to support their use, in contrast to their widespread marketing. Although vegan toothpastes did not change enamel microhardness nor promote adverse effects on enamel morphology, none of the toothpastes tested were able to exhibit a potential whitening effect.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144064033","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":"Hyaluronic Acid-Based Bleaching Gels With NF_TiO₂ and Violet LED: Efficacy and Cytotoxicity of Low-Concentration H₂O₂ for In-Office Bleaching.","authors":"Marcos Roberto de Lima de Benati, Priscila Borges Gobbo de Melo, Rafael Antonio de Oliveira Ribeiro, Fernando Luis Esteban Florez, Carlos Alberto de Souza Costa, Vanessa Cavalli","doi":"10.1111/jerd.13484","DOIUrl":"https://doi.org/10.1111/jerd.13484","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate the efficacy and cytotoxicity of in-office bleaching gels with hyaluronic acid (HA) or carbomer 940 (CAR), titanium dioxide nanoparticles co-doped with nitrogen and fluorine (NF_TiO₂), and hydrogen peroxide (HP; H₂O₂) at 1.5% and 6% with violet LED irradiation.</p><p><strong>Materials and methods: </strong>48 bovine enamel/dentin discs (5 × 3 mm) stained with black tea for 24 h were assigned to six groups (n = 8): HA-1.5%HP + LED, HA-6%HP + LED, CAR-1.5%HP + LED, CAR-6%HP + LED, 35%HP-commercial (control), and a negative control (no treatment). The discs were placed in artificial pulp chambers (APCs) and underwent three 30-min bleaching sessions with 20 violet LED cycles (1-min activation, 30-s pause) at 7-day intervals. Extracts were applied to MDPC-23 cells, assessing color change (ΔE₀₀), whiteness index (ΔWI_D), H₂O₂ diffusion, cell viability (CV), oxidative stress (OxS), and cell morphology (SEM). Data were analyzed by one-way ANOVA and Tukey post hoc test (α = 0.05).</p><p><strong>Results: </strong>Gels with HA showed no statistical difference in ΔE₀₀ and ΔWI_D compared with 35%HP-commercial (p > 0.05). H₂O₂ diffusion and oxidative stress were lower in 1.5% and 6% HP groups. Cell viability was higher in 1.5% HP groups (p < 0.05). There were no changes in cell morphology.</p><p><strong>Conclusion: </strong>Bleaching gels with HA, NF_TiO₂ NPs, low H₂O₂ concentrations, and violet LED irradiation reduced cytotoxicity without compromising efficacy.</p><p><strong>Clinical relevance: </strong>Experimental bleaching gels with hyaluronic acid, NF_TiO₂ nanoparticles, low H₂O₂ concentrations, and combined with violet LED irradiation achieve similar efficacy to high-H₂O₂ gels (35%). This approach also promises to reduce cytotoxic damage, providing a safer in-office bleaching option.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144011559","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":"A Multifunctional Guide for Non-Carious Cervical Lesion Restoration and Root Coverage Using a Coronally Advanced Flap in the Treatment of Combined Lesions.","authors":"Isabella Neme Ribeiro Dos Reis, Aldrin André Huamán-Mendoza, Oswaldo Villa-Campos, Nataly Zambrana, Newton Sesma, Franz Josef Strauss, Giuseppe Alexandre Romito","doi":"10.1111/jerd.13485","DOIUrl":"https://doi.org/10.1111/jerd.13485","url":null,"abstract":"<p><strong>Objectives: </strong>This case report describes a digital workflow that integrates restorative and surgical planning through the design and fabrication of a multifunctional guide to optimize outcomes in the treatment of combined lesions.</p><p><strong>Clinical considerations: </strong>Gingival recessions frequently occur alongside non-carious cervical lesions (NCCLs), forming combined defects that complicate cementoenamel junction (CEJ) identification and treatment planning. A 40-year-old male presenting with gingival recession and NCCLs on teeth #14 and #15. A restoration was planned to reconstruct the lost CEJ using clinical reference points. A custom surgical guide was subsequently designed to replicate the planned restoration's contour and to delineate the intended incision patterns for the coronally advanced flap (CAF) procedure. The CEJ restoration was executed using composite resin, with the guide assisting in achieving precise contouring. Root coverage was then performed using a CAF combined with a connective tissue graft, with the guide facilitating accurate scalpel blade placement during flap preparation. At the one-year follow-up, complete root coverage was observed and the restoration maintained stability in terms of marginal adaptation, color, and surface integrity.</p><p><strong>Conclusions: </strong>The use of a multifunctional digital guide can enhance the precision of both restorative and surgical procedures in the management of combined gingival recession and NCCL defects, potentially improving treatment predictability and outcomes.</p><p><strong>Clinical significance: </strong>This case report highlights the benefits of a 3D-printed multifunctional digital guide for precise CEJ restoration and flap design in treating gingival recessions associated with NCCLs.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144004714","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":"Restoration of Severe Tooth Wear: Converting the Splint Jaw Position Into Definitive Restorations.","authors":"Tuba Aini, Jan-Frederik Güth, Kathrin Seidel, Steffani Görl, Tobias Graf","doi":"10.1111/jerd.13479","DOIUrl":"https://doi.org/10.1111/jerd.13479","url":null,"abstract":"<p><strong>Objective: </strong>Loss of the vertical dimension of occlusion is observed in patients with severe tooth wear and often requires comprehensive prosthodontic treatment. A critical challenge is ensuring the precise transfer of the initially established jaw relationships to the definitive restorations. This study aimed to describe several approaches for simplifying the implementation of pretherapy into final restorations.</p><p><strong>Clinical considerations: </strong>In the initial phase, structured treatment planning is essential to minimize potential sources of error. Prior to the placement of definitive dentures, a preliminary test phase using occlusal splints or long-term provisional restorations is crucial for achieving optimal predictability of treatment outcomes. Noninvasive therapy with splints is generally employed as the first step following a diagnostic mock-up. Subsequently, a test phase involving long-term temporaries may be implemented to comprehensively evaluate functional, esthetic, and phonetic parameters. Consequently, the application of long-term temporaries facilitates the accurate clinical transfer of the validated bite position to the definitive restorations.</p><p><strong>Conclusions: </strong>Multiple treatment approaches can be viewed as module components that can be combined to tailor therapy according to the complexity and needs of the patient. This strategy enables the most predictable outcome in terms of function and esthetics, while ensuring safe transfer of vertical and horizontal bite relationships and preserving tooth structure.</p><p><strong>Clinical significance: </strong>Implementing the newly developed and tested occlusal relationship into definitive restorations requires thorough diagnostics, a structured and preferably noninvasive pretreatment approach, and a reliable method for transferring the tested bite relationship.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143983704","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":"Cover Image, volume 37, Issue 2","authors":"Qiyue Chen DDS,&nbsp;Jun Shen DDS, PhD","doi":"10.1111/jerd.13482","DOIUrl":"https://doi.org/10.1111/jerd.13482","url":null,"abstract":"<p>The cover image is based on the article <i>An esthetic flap design for surgical endodontics in the anterior zone</i> by shen jun et al., https://doi.org/10.1111/jerd.13287.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":"37 2","pages":"i"},"PeriodicalIF":3.2,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jerd.13482","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143879870","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":"A Comparative In Vitro Study of Materials for Provisional Restorations Manufactured With Additive (3Dprinting), Subtractive (Milling), and Conventional Techniques.","authors":"Dimitrios Pallis, Aspasia Pachiou, Maria Dimitriadi, Nikitas Sykaras, Stefanos Kourtis","doi":"10.1111/jerd.13481","DOIUrl":"https://doi.org/10.1111/jerd.13481","url":null,"abstract":"<p><strong>Objective: </strong>To compare the mechanical, chemical, and surface properties of three materials used for provisional restorations, manufactured with additive (3D-printing), subtractive (milling), and conventional techniques.</p><p><strong>Materials and methods: </strong>Three material groups were tested: (a) GC TempPRINT, (3D-printed/3DP), (b) VITA CAD-Temp, (milled/ML), and (c) Telio CS C&B, (conventional self-cured/CC). Each group consisted of 20 beam-shaped specimens (25 × 2 × 2 mm) used for a three-point flexural strength test and 5 discs (Ø:15 mm, h: 2 mm) used for surface roughness, gloss, degree of conversion, and hardness measurements. Data were analyzed using one-way ANOVA and Holm-Sidak multiple comparison tests (α = 0.05).</p><p><strong>Results: </strong>The ranking of the statistically significant differences (p < 0.05) was: 3DP >CC > ML (Sdr roughness parameter), ML >CC > 3DP (gloss) and ML > 3DP> CC (gloss, degree of conversion, hardness and flexural strength).</p><p><strong>Clinical significance: </strong>The tested materials showed statistically significant differences in all tested properties. These differences may affect their clinical performance and should be taken into consideration for their clinical application.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144015206","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":"Evaluating Radiographic Measurements for Detecting Interdental Papilla: A Pilot Study.","authors":"Charles Vandeweghe, Kevimy Agossa, Hamoun Sabri, Hom-Lay Wang, Thomas Colard","doi":"10.1111/jerd.13480","DOIUrl":"https://doi.org/10.1111/jerd.13480","url":null,"abstract":"<p><strong>Objective: </strong>This pilot study aimed to (i) compare the diagnostic accuracy of the radiographic gingival embrasure surface area (SRE) with the vertical distance between the contact point and alveolar crest (CBC) and the inter-radicular horizontal distance (IHD), both used to predict black triangle (BT) presence and (ii) explore the association between patient-related factors, gingival phenotype and BT occurrence.</p><p><strong>Materials and methods: </strong>A retrospective analysis of 118 interdental papillae from 35 patients was performed using cone beam computed tomography and clinical photographs. Receiver operating characteristic (ROC) curves and Youden index were used to determine optimal thresholds for each parameter. Mixed-effects logistic regression identified factors associated with BT.</p><p><strong>Results: </strong>SRE demonstrated the highest diagnostic accuracy (area under the curve [AUC] = 0.98), with a sensitivity of 0.895 and a specificity of 0.984 at an optimal threshold of 5.04 mm². CBC showed an AUC of 0.89, with a sensitivity of 0.825 and a specificity of 0.770 at an optimal threshold of 4.94 mm. IHD exhibited lower performance (AUC = 0.63, sensitivity = 0.509, specificity = 0.721). Age (OR = 1.18; 95% CI: 1.03-1.36) was significantly associated with BT.</p><p><strong>Conclusion: </strong>SRE outperforms linear distances (CBC and IHD) for detecting the presence of BTs. Age was also significantly associated with BT occurrence.</p><p><strong>Clinical significance: </strong>The surface area of the gingival embrasure provides a potentially more accurate and reliable radiographic indicator for predicting BTs, offering a valuable alternative to conventional linear measurements in clinical practice.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144022244","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":"Survival and Complication Rates of Ceramic Partial Coverage Restorations (PCRs) and Ceramic Laminate Veneers Made of Different Types of Ceramics. Consensus Statement From SSRD, SEPES, and PROSEC Conference on Minimally Invasive Restorations","authors":"Florian Beuer,&nbsp;Stefano Pieralli,&nbsp;Frank Spitznagel,&nbsp;Dubravka Knezović Zlatarić,&nbsp;Hannah Bleiel,&nbsp;Petra Gierthmühlen,&nbsp;Sigmar Schnutenhaus,&nbsp;Jörg Strub,&nbsp;Luc Rutten,&nbsp;P. Rutten,&nbsp;Marco Jäggi,&nbsp;Burak Yilmaz,&nbsp;José Manuel Reuss,&nbsp;Ernest Mallat-Callis,&nbsp;Jaime Jiménez,&nbsp;Rafael Martinez-de-Fuentes,&nbsp;Miguel A. Ortiz,&nbsp;Miguel Gómez-Polo,&nbsp;Patrick Klein","doi":"10.1111/jerd.13418","DOIUrl":"https://doi.org/10.1111/jerd.13418","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>This consensus paper aims to provide evidence-based insights into the survival and complication rates of ceramic partial coverage restorations (PCRs) and ceramic laminate veneers, focusing on various ceramic materials, including feldspathic ceramics, leucite-reinforced glass ceramics (LRGC), lithium disilicate ceramics (LDS), and resin matrix ceramics (RMC).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Material and Methods</h3>\u0000 \u0000 <p>A systematic screening of the literature identified 35 publications, which were critically reviewed based on PRISMA guidelines, resulting in two systematic reviews. Consensus statements were formulated from the findings of these reviews, addressing key clinical and material-specific considerations. These statements were subsequently refined and finalized through expert discussion, ensuring alignment with the current evidence base and clinical applicability.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>PCRs demonstrated high short-term survival rates, with 93.7% for LDS and 89.3% for RMC. LDS showed slightly better performance in terms of retention and fracture resistance. Ceramic laminate veneers exhibited excellent long-term survival rates across all materials, with feldspathic veneers at 96.13%, LRGC at 93.7%, and LDS at 96.81%. LDS ceramic veneers showed a significantly lower complication rate compared to feldspathic and LRGC veneers.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Both PCRs and ceramic laminate veneers are reliable treatment options, offering high survival rates and manageable complication profiles. Material selection and minimally invasive techniques are key to optimizing clinical outcomes. Further research is needed to implement standardized protocols for preparation, adhesive techniques, and long-term maintenance.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":"37 3","pages":"664-668"},"PeriodicalIF":3.2,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jerd.13418","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143944822","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":"Long-Term Whitening Stability in Combined In-Office and At-Home Whitening Protocols: A Randomized Controlled Clinical Trial.","authors":"Toshiki Takamizawa, Rei Muto, Shunichi Suda, Nobuya Kitahara, Masashi Miyazaki","doi":"10.1111/jerd.13478","DOIUrl":"https://doi.org/10.1111/jerd.13478","url":null,"abstract":"<p><strong>Objective: </strong>This clinical study assessed the color stability of combined whitening protocols for up to 2 years when using prefilled at-home whitening trays during intervals between in-office whitening sessions.</p><p><strong>Materials and methods: </strong>In-office whitening containing 35% hydrogen peroxide was used. A prefilled tray with 6% hydrogen peroxide was used for at-home whitening. Sixty-six participants were randomly assigned to three groups: group I, at-home whitening was performed 10 times between three in-office whitening sessions; group II, at-home whitening was performed five times between three in-office whitening sessions; group III, only in-office whitening (three sessions) was performed. Tooth color was assessed before whitening treatment and at 1-day, 3-month, 6-month, 1-year, and 2-year follow-ups using a spectrophotometer. The color differences between the color before whitening and at each follow-up measurement were evaluated based on CIELAB ΔE*_ab, CIE DE2000 ΔE₀₀, and ΔW_ID.</p><p><strong>Results: </strong>Although the ΔE*_ab and ΔE₀₀ in all groups gradually decreased over time, the color stabilities vary in different whitening techniques. Groups II and III showed significantly decreased ΔW_ID (p < 0.05) in the early follow-up periods when compared with that of group I.</p><p><strong>Conclusions: </strong>The use of both in-office whitening and at-home whitening using prefilled trays resulted in longer-lasting whitening efficacy than in-office whitening alone.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144020927","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":"Advancing Adhesive Strategies for Endodontically Treated Teeth-Part II: Dentin Sealing Before Irrigation Increases Long-Term Microtensile Bond Strength to Coronal Dentin.","authors":"Joana A Marques, Rui I Falacho, Gabriela Almeida, Francisco Caramelo, João Miguel Santos, João Rocha, Markus B Blatz, João Carlos Ramos, Paulo J Palma","doi":"10.1111/jerd.13467","DOIUrl":"https://doi.org/10.1111/jerd.13467","url":null,"abstract":"<p><strong>Objective: </strong>To compare the long-term microtensile bond strength (μTBS) to coronal dentin using pre-endodontic dentin sealing (PEDS) and post-endodontic adhesion (PEA) techniques under various endodontic irrigation protocols.</p><p><strong>Materials and methods: </strong>Ten study groups (n = 10) were established based on the timing of adhesive application (PEDS versus PEA) and irrigation protocol: distilled water (control), 3% sodium hypochlorite (NaOCl), 3% NaOCl followed by 17% ethylenediaminetetraacetic acid (EDTA), 3% NaOCl followed by 17% EDTA and 2% chlorhexidine, and a mixture of 3% NaOCl and 9% etidronic acid (HEDP). Specimens underwent μTBS testing after a six-month microspecimen aging period. Fracture patterns were analyzed, and adhesive interfaces were assessed using scanning electron microscopy (SEM). Statistical analysis employed a mixed linear regression model with a 5% significance level.</p><p><strong>Results: </strong>PEDS consistently preserved high bond strength across all irrigation protocols (57.4-59.5 MPa), while PEA groups treated with endodontic irrigants resulted in significantly lower values (33.3-40.8 MPa; p < 0.001). No significant differences were observed within the PEDS groups (p > 0.05). SEM analysis revealed consistent hybrid layers in PEDS and PEA/Control groups, while PEA groups treated with endodontic irrigation solutions showed significant resin-dentin interface variations and interfacial gaps.</p><p><strong>Conclusions: </strong>The PEDS technique preserved high and consistent μTBS regardless of the irrigation protocol, whereas endodontically irrigated PEA groups exhibited significantly reduced bond strength. PEDS offers a predictable approach to optimizing adhesive performance in endodontic-restorative treatments.</p><p><strong>Clinical significance: </strong>Integrating PEDS into routine endodontic-restorative workflow is recommended to enhance long-term bond strength to coronal dentin. The PEDS technique ensures consistent adhesive performance regardless of the endodontic irrigation protocol, enhancing restorative predictability and treatment success while preserving tooth structure.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144013022","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}