Journal of Esthetic and Restorative Dentistry最新文献

{"title":"The Effect of Er:YAG Laser Irradiation Debonding Treatment on the Optical and Mechanical Properties of Zirconia and Lithium Disilicate Ceramics.","authors":"Sama Suliman, Janina Golob Deeb, Taiseer Sulaiman, Awab Abdulmajeed, Timo Närhi, Aous Abdulmajeed","doi":"10.1111/jerd.70013","DOIUrl":"https://doi.org/10.1111/jerd.70013","url":null,"abstract":"<p><strong>Statement of problem: </strong>Erbium-doped yttrium aluminum garnet (Er:YAG) laser debonding has recently emerged as an alternative method for removing zirconia and lithium disilicate restorations. The optical and mechanical properties are critical factors influencing the success of ceramic restorations. However, limited research has focused on how the Er:YAG laser impacts the optical and mechanical properties of these ceramic materials.</p><p><strong>Objectives: </strong>To investigate the effect of Er:YAG laser debonding treatment on the inherent optical and mechanical properties and surface roughness of different zirconia and lithium disilicate ceramic materials.</p><p><strong>Materials and methods: </strong>Forty disc-shaped specimens (14 × 1.2 mm) were fabricated of three different tetragonal zirconia polycrystal (TZP) materials based on their yttria (Y) concentration (3Y-TZP, 4Y-TZP, and 5Y-TZP) and lithium disilicate (IPS E.max) as a control group (n = 10 per group). Each specimen was irradiated with the Er:YAG laser at 335 mJ, 15 Hz, 5.0 W, and 50-μs pulse duration (super short pulse mode). Color change (ΔE₀₀), translucency parameter (TP), biaxial flexural strength (MPa), and surface roughness (Ra) values were measured before and after laser irradiation. Data were statistically analyzed using ANOVA and Tukey HSD post hoc tests (p < 0.05) at the 95% level of confidence.</p><p><strong>Results: </strong>For ΔE₀₀, except for 3Y-TZP, all groups displayed an increase in color change beyond the defined acceptability threshold of 1.8. No significant changes in the mean values were observed following Er:YAG laser treatment, except for the 3Y-TZP zirconia group (p < 0.05). TP values showed no significant differences (p > 0.05), except for the IPS E.max group, where TP increased significantly after laser treatment (p < 0.05). Regarding biaxial flexural strength, mean values revealed a significant increase in the 5Y-TZP zirconia and IPS E.max groups (p < 0.05). No significant change in surface roughness values was reported (p > 0.05).</p><p><strong>Conclusion: </strong>Er:YAG laser debonding treatment altered some optical and mechanical properties of certain dental ceramics. Nevertheless, the reuse of ceramic restorations remains a feasible and clinically valuable option in dental practice.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":4.1,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144731745","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":"Masking Ability of the Combined Application of Opaque Resin Composite and High-Translucency Zirconia on Discolored Substrates.","authors":"Shuping Chen, Lei Jiang, Run Chen","doi":"10.1111/jerd.70007","DOIUrl":"https://doi.org/10.1111/jerd.70007","url":null,"abstract":"<p><strong>Objective: </strong>This study evaluated the masking ability of combined opaque resin composite and high-translucency zirconia on severely discolored substrates.</p><p><strong>Methods: </strong>Four types of discolored substrates (ND8, ND9, cobalt-chromium alloy, and black) were coated with opaque resin composite at six thicknesses (0, 0.10, 0.15, 0.20, 0.25, and 0.30 mm), with an A2-shade substrate serving as the reference. High-translucency zirconia discs (0.5, 0.8, and 1.0 mm; n = 10) were subsequently layered over each specimen. Color differences (ΔE₀₀) were determined with a spectroradiometer and calculated according to the CIEDE2000 formula. A two-way ANOVA with Tukey's test (α = 0.05) assessed color differences.</p><p><strong>Results: </strong>Both zirconia and resin thickness significantly affected ΔE₀₀ values (p < 0.001). The minimum thickness combinations achieving ΔE₀₀ below the acceptability threshold were: ND8 (0.25 mm resin +0.8 mm zirconia), ND9 (0.3 + 1.0 mm), and Co-Cr (0.25 mm + 1.0 mm). None of the tested combinations successfully masked the black substrate.</p><p><strong>Conclusion: </strong>The thickness of the opaque resin composite has a significant impact on its masking performance. The combined application of opaque resin composite and high-translucency zirconia can effectively mask severely discolored substrates, with the outcome depending on the type of substrate.</p><p><strong>Clinical significance: </strong>This study provides a quantifiable strategy for masking severely discolored substrates using minimal restorative thickness. Especially in esthetic zones where tooth preparation is limited, applying an optimally thick opaque resin composite beneath high-translucency zirconia enables a practical and minimally invasive esthetic restoration while preserving as much natural tooth structure as possible.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144718039","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":"Characterization of Universal Composite Resin Filler Particles.","authors":"Jorge Perdigão, Fernanda P Zatt, Guilherme C Lopes, Natália B Caon, Ruoqiong Chen","doi":"10.1111/jerd.70009","DOIUrl":"https://doi.org/10.1111/jerd.70009","url":null,"abstract":"<p><strong>Objective: </strong>Characterize the morphology and distribution of filler particles of universal composite resins using Scanning Electron Microscopy, and calculate the residual filler mass fraction (filler wt%) of each composite resin with Thermogravimetric Analysis to compare the data with the respective filler wt% reported in the literature.</p><p><strong>Methods: </strong>Seven universal composite resins (CRs) were analyzed in this study: Essentia Universal (EU), Filtek Easy Match (EM), Filtek Universal (FU), Omnichroma (OM), Simplishade (SS), TPH Spectra ST HV (ST), and Venus Diamond One (VO). Two classic multi-shade CRs, Charisma Opal (CO) and Estelite Omega (EO) were used as controls. Two grams of each CR were dissolved in acetone, and the respective filler residue was dried and mounted on aluminum stubs. The specimens were sputter-coated with Pt and observed under a Field-Emission Scanning Electron Microscope to analyze the particle size and distribution at magnifications from ×5000 to ×80,000. For the Thermogravimetric Analysis, CR specimens were continuously weighed while heating up to 1000^o C to burn the organic contents and calculate the residual mass fraction of each material.</p><p><strong>Results: </strong>Electron microscopy-OM showed a monomodal particle distribution of individual microparticles that contained nanoparticles. Sporadic agglomerations of microparticles were also observed for OM. EO, EU, FU, ST, VO, and EM displayed a bimodal filler distribution. The particles of CO and SS were organized under a trimodal distribution. There were similarities in particle shape and distribution for EM and FU, as well as for EO and OM. Classic particles of irregular shape larger than 2 μm were observed for CO, EU, ST, and VO. Clusters of nanoparticles up to 7.5 μm wide were observed for EM, FU, and SS. Thermogravimetric Analysis-The measured filler wt% was material specific. It ranged from 66.27% for EU to 78.28% for VO. The relative difference between the filler wt% measured for VO compared to the filler wt% reported in the literature was the smallest (-3.4%). EU resulted in the widest discrepancy (-18.2%).</p><p><strong>Conclusion: </strong>The particle size and distribution varied for each composite resin, except for the pairs of materials EO/OM and EM/FU made by the same manufacturer. The filler wt% measured in this study was not in agreement with the description provided in the current literature for any of the CRs tested.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144718038","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":"Evaluation of the Effect of Whitening Toothpastes on the Surface Roughness of Bioactive Restorative Materials Using Atomic Force Microscopy and Optical Profilometer and SEM-EDS Analysis.","authors":"Latife Altınok Uygun, Cemile Yılmaz","doi":"10.1111/jerd.70005","DOIUrl":"https://doi.org/10.1111/jerd.70005","url":null,"abstract":"<p><strong>Objective: </strong>This study aimed to evaluate the effects of whitening toothpastes on the surface roughness and elemental composition of bioactive restorative materials.</p><p><strong>Materials and methods: </strong>A total of 210 disk-shaped specimens were prepared from Equia Forte HT (EF), Activa Bioactive Restorative (AB), Cention Forte (CF), Beautifil II (BF), and Filtek Z250 (FZ, control). The specimens underwent simulated toothbrushing using charcoal-containing, hydrogen peroxide (H₂O₂)-containing, and fluoride-containing toothpastes, as well as distilled water (control). Surface roughness was measured before and after 30,000 brushing cycles using atomic force microscopy (AFM) and optical profilometry. Changes in elemental composition were assessed by SEM-EDS.</p><p><strong>Results: </strong>EF exhibited the greatest increase in surface roughness, followed by AB and CF, while BF and FZ showed the least changes. Charcoal- and H₂O₂-containing toothpastes caused significant surface degradation and chemical alterations in filler particles, whereas fluoride-containing toothpaste better preserved surface integrity. SEM-EDS analysis confirmed the role of fluoride in enhancing chemical stability.</p><p><strong>Conclusions: </strong>Bioactive materials showed varying degrees of sensitivity to abrasives. EF and AB experienced considerable wear, particularly with charcoal- and H₂O₂-based toothpastes, potentially compromising clinical durability. Fluoride-containing toothpaste provided better chemical and surface stability.</p><p><strong>Clinical significance: </strong>Charcoal- and H₂O₂-containing toothpastes may accelerate the degradation of bioactive restorations, reducing their longevity. Fluoride-containing toothpaste appears to better maintain surface integrity and may be preferable for patients with aesthetic restorations.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":4.1,"publicationDate":"2025-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144731742","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":"From Virtual Maxillomandibular Relationship Determination to Clinical Implementation for Digital Functional-Esthetic Rehabilitation in Severe Generalised Tooth Surface Loss.","authors":"Yiqiao Wang, Zhichao Hao, Yongfeng Liang, Wen Yang, Yuanyuan Ma","doi":"10.1111/jerd.70014","DOIUrl":"https://doi.org/10.1111/jerd.70014","url":null,"abstract":"<p><strong>Objective: </strong>The purpose of this article is to present a digital workflow to resolve functional-esthetic conflicts in severe generalised tooth surface loss (TSL).</p><p><strong>Clinical considerations: </strong>Key challenges in TSL involved compromised structural integrity of the dentition, necessitating precise occlusal rehabilitation to achieve a stable mandibular position and occlusion. The virtual patient-derived protocol introduced two technical advancements: (1) maxillomandibular relationship (MMR) determination through jaw kinematics capture, and (2) dynamic anterior guidance optimization via jaw motion tracking and dynamic articulation simulation. This digital workflow eliminates the need for conventional physical impressions and analog articulator mounting, reducing clinical adjustment requirements compared to traditional techniques.</p><p><strong>Conclusions: </strong>The implemented digital workflow successfully restored occlusal function and esthetics through synchronized virtual planning and guided reconstruction, achieving stable occlusion and reproducible centric relation in severe TSL. Final restorations demonstrated high morphological congruence with digital diagnostic designs.</p><p><strong>Clinical significance: </strong>Utilizing a virtual MMR determination through jaw motion tracking and a computer-guided anterior guidance reconstruction enables systematic diagnostic analysis/design, treatment planning, and prosthodontic fabrication. The digital workflow demonstrates superior clinical efficacy in anatomical preservation, functional reproducibility, and esthetic rehabilitation for severe TSL management.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":4.1,"publicationDate":"2025-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144731744","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 Bruxism on the Clinical Success of Posterior Composite Restorations in Endodontically Treated Teeth: A Cross-Sectional, Case-Control Study.","authors":"Fatma Yilmaz, Ozgul Carti Dorterler","doi":"10.1111/jerd.70008","DOIUrl":"https://doi.org/10.1111/jerd.70008","url":null,"abstract":"<p><strong>Aim: </strong>To determine the effect of bruxism on the success of posterior composite restorations (PCRs) in endodontically treated teeth (ETT).</p><p><strong>Methods: </strong>This cross-sectional, case-control study included 40 case patients (bruxists with PCR post-ETT) and 40 controls (non-bruxists). A matching case-control model was used based on sex, age, follow-up period, cavity classification, and caries risk group. Potential risk factors affecting restoration success, such as sociodemographic characteristics and clinical findings, were recorded. The PCRs were evaluated according to revised FDI criteria. Fisher's exact test and binary logistic regression analysis were used for statistical evaluation (p < 0.05).</p><p><strong>Results: </strong>Considering caries at restoration margins (p = 0.007), color match (p = 0.039), dental hard tissue defects at restoration margins (p = 0.001), occlusion and wear (p = 0.001), and surface luster and texture (p = 0.035), bruxists achieved significantly lower success than non-bruxists. Cases had lower overall success than controls (p = 0.001). Bruxism (OR: 1.25, 95% CI: 0.00-1.58), periodontal status (OR: 0.18, 95% CI: 0.03-1.15), TMJ disorders (OR: 0.05, 95% CI: 0.00-1.15), and presence of enamel cracks (OR: 1.67, 95% CI: 0.00-1.68) significantly affected restoration success (p < 0.05).</p><p><strong>Conclusion: </strong>Bruxism significantly affects functional, esthetic, and biological success of PCRs in ETT. In bruxists, PCRs in small/medium-sized cavities failed primarily because of wear, followed by color mismatching, roughness, caries, and dental hard tissue fractures.</p><p><strong>Trial registration: </strong>ClinicalTrials.gov identifier: NCT06881355.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":4.1,"publicationDate":"2025-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144731741","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 Polyethylene Fiber Posts vs. Prefabricated Glass Fiber Posts in Restoration of Root Canal-Treated Teeth: A Systematic Review and Meta-Analysis of In Vitro Studies.","authors":"Farzaneh Shirani, Soroush Talakesh, Mostafa Farajzadeh, Matin Tayaran, Pedram Iranmanesh, Farin Kiany, Amirhossein Vedaei","doi":"10.1111/jerd.70006","DOIUrl":"https://doi.org/10.1111/jerd.70006","url":null,"abstract":"<p><strong>Objective: </strong>This systematic review and meta-analysis compares the fracture resistance of polyethylene fiber posts and prefabricated glass fiber posts in root canal-treated, single-rooted permanent teeth. By analyzing in vitro studies, it addresses gaps in fiber post system research.</p><p><strong>Materials and methods: </strong>A systematic search of PubMed, Web of Science, Scopus, Embase, and Cochrane Library (until May 2024) identified in vitro studies comparing these post types. The risk of bias was assessed using Sarkis-Onofre et al. and Alhajj et al.</p><p><strong>Methods: </strong>A meta-analysis estimated pooled standardized mean differences (SMD) with 95% confidence intervals (CIs) (PROSPERO: CRD42022362407).</p><p><strong>Results: </strong>Out of 622 studies, nine were included. Polyethylene fiber posts had significantly lower fracture resistance (SMD = -1.77, 95% CI: -2.98 to -0.57). Meta-regression showed no impact of force speed or load angle. Subgroup analysis highlighted significant effects of tooth type, storage media, post length, periodontal ligament (PDL) simulation, ferrule, and crown placement. Additionally, fractures in teeth restored with polyethylene fiber posts tended to be more repairable.</p><p><strong>Conclusions: </strong>Polyethylene fiber posts exhibited lower fracture resistance than prefabricated glass fiber posts. However, multiple factors influence outcomes, highlighting the need for further research and standardization.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":4.1,"publicationDate":"2025-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144731743","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":"Achieving Functional and Aesthetic Harmony Through a Fully Digital Workflow for Lateral Agenesis Rehabilitation: A 12-Month Follow-Up.","authors":"Cassiana Koch Scotti, Martha Beteghelli Michielin, Ernesto Benalcázar-Jalkh, Nathalia Cristina Bortolozzo, Juliana Fraga Soares Bombonatti, Marilia Mattar de Amoêdo Campos Velo","doi":"10.1111/jerd.70004","DOIUrl":"https://doi.org/10.1111/jerd.70004","url":null,"abstract":"<p><strong>Objective: </strong>Digital technologies are revolutionizing dentistry by introducing advanced methods that enhance treatment planning and execution. In complex cases, these innovations improve communication among interdisciplinary teams and streamline workflows for more personalized and efficient care. This case report demonstrates the aesthetic and functional rehabilitation of a patient with agenesis of lateral incisors, smile asymmetry, and facial skeletal discrepancies, using an integrated digital approach.</p><p><strong>Clinical considerations: </strong>The patient presented with disproportionate tooth dimensions, color mismatches, and skeletal issues. Initially, orthognathic surgery was considered to address the mandibular discrepancy, but the patient preferred a conservative treatment plan, which included periodontal regularization, teeth whitening, and the fabrication of lithium disilicate laminate veneers through a fully digital workflow. Additionally, facial aesthetics were enhanced with hyaluronic acid lip augmentation.</p><p><strong>Conclusions: </strong>This case exemplifies the efficacy of a modern, interdisciplinary strategy in aesthetic dentistry, merging cutting-edge materials, digital planning, and innovative techniques to tackle both functional and aesthetic concerns. The individualized treatment approach and focus on patient-specific needs were pivotal in achieving a successful and lasting outcome.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144682717","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":"The Effect of ZrO₂ Slurry on Zirconia Surface Roughness, Crystal Phases, and Shear Bond Strength With Resin Cement.","authors":"Supontep Teerakanok, Vatunyu Sae-Tang, Woramed Wongsamran, Pattadon Klaingjun, Boonlert Kukiattrakoon","doi":"10.1111/jerd.70003","DOIUrl":"https://doi.org/10.1111/jerd.70003","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to examine the effect of applying zirconia slurry on the surface roughness of zirconia and its resulting crystal phases, and shear bond strength with resin cement.</p><p><strong>Methods: </strong>Two hundred and ten zirconia discs, prepared through the slip-casting and milling methods, 18 mm in diameter and 2.5 mm in thickness, were categorized into five groups according to surface treatment: no surface treatment (C and CM), 50 μm alumina air-abrasion (SB), and zirconia slurry sprayed with concentrations of 15% w/w and 30% w/w (ZS15 and ZS30). After surface treatment, all specimens underwent examination for surface roughness reported as arithmetical mean height (Sa) and maximum height (Sz), x-ray diffraction analysis for monoclinic phase detection, and were bonded with resin cement to perform shear bond strength (SBS) testing. Data were analyzed using one-way ANOVA and Tukey's HSD at the significant level of 0.05 (α = 0.05).</p><p><strong>Result: </strong>Sa and Sz values exhibited no statistically significant differences among all groups (p > 0.05). Crystal phases of all groups presented peaks of monoclinic and tetragonal phases. SBS values of all groups also demonstrated no statistically significant differences (p > 0.05).</p><p><strong>Conclusion: </strong>The zirconia slurry might not significantly affect the surface roughness, crystal phases, and SBS of slip-casting zirconia.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144682718","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":"Peri-Implant Esthetics in Focus: Comparing Anodized Titanium and Zirconium Dioxide Abutments in a Randomized Clinical Trial.","authors":"Sakshi Agarwal, Farhan Durrani, Aishwarya Pandey, M Rashika, Shraddha Shilpi, Dhanraj Meena","doi":"10.1111/jerd.13515","DOIUrl":"https://doi.org/10.1111/jerd.13515","url":null,"abstract":"<p><strong>Objective: </strong>Achieving optimal esthetics remains challenging due to limited comparative evidence between pink-anodized titanium and zirconium dioxide abutments. The objective of this clinical study was to evaluate the optical outcomes of pink-anodized titanium and zirconium dioxide abutments in the esthetic region.</p><p><strong>Methods: </strong>Twenty-two subjects with an edentulous site in the maxillary esthetic region with a tooth present mesially and distally were selected for implant surgery along with hard and soft tissue augmentation. Group A received a pink-anodized titanium abutment with a layered lithium disilicate single crown. Group B received a zirconium dioxide abutment with the same prosthesis material. The contralateral natural tooth served as the control group. Optical outcomes were assessed using a spectrophotometer. The CIELAB color coordinates (Commission Internationale de l'Eclairage) were recorded to calculate ΔE values. Vernier calipers, along with an endodontic file, were used to measure the peri-implant soft tissue thickness. The Pink Esthetic Score (PES) was evaluated using digital images of 22 single-tooth implant crowns to assess the surrounding soft tissue esthetics.</p><p><strong>Results: </strong>Zirconia abutments (Group A) demonstrated superior optical outcomes compared to pink-anodized titanium abutments (Group B). The ΔE values for Group A at the peri-implant soft tissue, coronal, and midfacial crown levels were significantly lower compared to Group B. Soft tissue thickness (STT) increased over time in both groups, with a slight increase in Group B. The Pink Esthetic Score (PES) also improved with recall visits at each evaluation.</p><p><strong>Conclusion: </strong>Zirconia abutments provided superior esthetic outcomes compared to pink-anodized titanium abutments, with significantly lower color differences (ΔE) and higher Pink Esthetic Scores (PES). Although pink-anodized titanium abutments showed increased soft tissue thickening with time, zirconia abutments remained the more favorable option for esthetically demanding cases.</p><p><strong>Clinical trials registry: </strong>(CTRI No. CTRI/2024/03/064442).</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144642681","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}