European Journal of Prosthodontics and Restorative Dentistry最新文献

{"title":"Comparative Evaluation of 3D-Printed Resins for Single-Tooth Dental Crowns - Provisional and Permanent: A Scoping Review.","authors":"A Moreira, P S Gomes, M P Clemente, J Mendes","doi":"10.1922/EJPRD_2876Moreira22","DOIUrl":"https://doi.org/10.1922/EJPRD_2876Moreira22","url":null,"abstract":"<p><strong>Objective: </strong>Collect and synthesize data on 3D-printed resins used for single-tooth dental crowns.</p><p><strong>Methods: </strong>A comprehensive search was conducted across MEDLINE/PubMed, Web of Science, and Scopus databases, covering publications from January 2013 to 18th August 2024. Relevant gray literature was also considered. From a total of 2803 records initially identified, 103 studies met the inclusion criteria and were included in the review.</p><p><strong>Results: </strong>Data were extracted for 47 different 3D-printed resin materials, including information on product names, manufacturers, and chemical compositions. Mechanical properties: flexural strength (124 MPa), load to failure (1397 N), flexural modulus ( 2818 MPa), and Vickers microhardness (20.94 kgf/ mm2). Degree of conversion (27-95.2%); Wear loss (vertical loss: 62-257 μm; volumetric loss: 0.08-20 mm3); Surface roughness (Ra: 2.16 μm); Internal fit (137.26 μm), marginal fit (86.49 μm); Bond strength (16.97- 24.75 MPa). Cellular response and bacterial adhesion showed variability in biocompatibility, influenced by post-processing protocols.</p><p><strong>Conclusions: </strong>3D-printed resins dental crowns demonstrate promising in vitro mechanical performance, including fracture resistance values that withstand typical masticatory forces. Studies report generally favorable bond strength, and acceptable internal and marginal adaptation. However, these materials tend to exhibit lower flexural strength, elastic modulus, and hardness when compared to milled resin counterparts.</p>","PeriodicalId":45686,"journal":{"name":"European Journal of Prosthodontics and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144318353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Staining of CAD/CAM Composite Materials After Immersion in Coloring Solutions: A Narrative Review.","authors":"M G F P Macedo, L Coser, C M F G P Areias, P P C D S Vaz, M Özcan, C A M Volpato","doi":"10.1922/EJPRD_2863Macedo15","DOIUrl":"https://doi.org/10.1922/EJPRD_2863Macedo15","url":null,"abstract":"<p><strong>Objective: </strong>This review integrates published scientific information on the staining potential of CAD/CAM composite materials after immersion in coloring beverages, highlighting the mechanisms of action of these solutions and strategies to minimize staining.</p><p><strong>Methods: </strong>Publications were searched in the PubMed and Scopus databases until April 2025. The search was conducted for publications in English without limits on the year of publication. The MeSH terms, free-text terms, and their combinations used in the databases were: \"color\", \"translucency\", \"staining\", \"resin ceramic\", \"nanoceramic resin,\" and \"hybrid ceramic\".</p><p><strong>Results: </strong>The search resulted in 472 articles. After removing duplicate articles, the remaining articles were evaluated in two stages. The selected articles were read in full, and 58 articles were included in this review.</p><p><strong>Conclusions: </strong>Red wine is the beverage that most promotes staining, followed by coffee. Composite materials, especially those containing a hydrophilic resin matrix, are prone to staining over time. Bleaching can be used as an option for stain removal. In turn, periodic polishing of restorations and frequent brushing with toothpaste reduce and prevent staining caused by extrinsic pigments.</p><p><strong>Clinical significance: </strong>Different beverages consumed by patients can stain resin-based restorative materials. Polishing, bleaching, and brushing can be used to minimize this staining.</p>","PeriodicalId":45686,"journal":{"name":"European Journal of Prosthodontics and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144318354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluating the Long-Term Success of Removable and Fixed Prosthodontic Treatment in Completely Edentulous Patients: Comparative Clinical- Radiographic Study.","authors":"A Sharma, P Rawat, P A Srivastava, A Sharma","doi":"10.1922/EJPRD_2765Sharma09","DOIUrl":"https://doi.org/10.1922/EJPRD_2765Sharma09","url":null,"abstract":"<p><strong>Introduction: </strong>A clinician must choose the right treatment modality with various fixed and removable prosthetic treatments available for completely edentulous patients. This systematic review aims to evaluate removable and fixed prosthetic treatment modalities in a completely edentulous patient.</p><p><strong>Material and methods: </strong>A comprehensive search of MEDLINE, PubMed, Scopus, Web of Science, Google Scholar, and LILACS and a manual search across reference lists of included studies were done. The study analyzed clinical and radiological outcome for patients with completely edentulous arches, including bone loss, post-prosthetic rehabilitation challenges and hygiene maintenance across removable and permanent treatment options.</p><p><strong>Results: </strong>A total of 2182 articles, which, after the thorough screening process yielded 10 studies for qualitative analysis. The success rates of implant-supported fixed prostheses (IFP) were greater than those of implantsupported overdentures (IOD) and complete dentures (CD), respectively. Nevertheless, there were significant differences in the success criteria across the various treatment options, making it futile to compare the success rates directly.</p><p><strong>Conclusions: </strong>Comparing the fixed and removable treatment modalities for completely edentulous patients regarding successful outcomes is multifaceted and challenging due to the lack of comparable assessments with equivalent follow-up periods and similar outcome criteria.</p>","PeriodicalId":45686,"journal":{"name":"European Journal of Prosthodontics and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144267579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Reported Complications of Milled Ceramic Anterior Veneers with at Least One Year Follow Up: A Systematic Review.","authors":"D Goh, S Ruprai, A Singh Khehra, M Cheng, A Ellakwa","doi":"10.1922/EJPRD_2846Goh10","DOIUrl":"https://doi.org/10.1922/EJPRD_2846Goh10","url":null,"abstract":"<p><strong>Purpose: </strong>To assess the available evidence regarding survival and failure rates of ceramic anterior veneers constructed utilising CAD/CAM technology, with a follow-up period of at least one year.</p><p><strong>Materials and methods: </strong>A comprehensive electronic search was performed through Medline (Ovid), Embase, and Web of Science. The search was limited to articles published from 1970 to January 2023 and, included articles were human cohort clinical studies and randomised control trials.</p><p><strong>Results: </strong>A total of 9,449 articles were retrieved, 5,943 studies were screened and 22 were assessed for eligibility, resulting in 4 studies that met the inclusion criteria. A total of two failures were recorded, the failures involved fracture of the veneers, from a total of 1037 veneers in the included studies. No other failures were noted.</p><p><strong>Conclusions: </strong>Studies demonstrating long term survival of CAD/CAM made ceramic veneers are limited. This study shows the clinical outcomes are favourable over the short term. Given the short observation periods reported, further long-term studies are required to obtain a better understanding of the clinical outcomes and restoration survival.</p><p><strong>Clinical relevance: </strong>The article assists clinicians with providing an update on the available evidence when considering CAD/CAM constructed ceramic veneers on anterior teeth.</p>","PeriodicalId":45686,"journal":{"name":"European Journal of Prosthodontics and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144267582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Printed Versus Conventional Denture Base Resins: Physical- Mechanical Evaluation After Immersion in Beverages and Cleansers.","authors":"J M Carvalho-Silva, J P N Sessa, A B V Teixeira, L M Uehara, I Ferreira, A C Dos Reis","doi":"10.1922/EJPRD_2845Carvalho-Silva09","DOIUrl":"https://doi.org/10.1922/EJPRD_2845Carvalho-Silva09","url":null,"abstract":"<p><strong>Introduction: </strong>Denture base resins, both 3D-printed (PR) and heat-cured (HR), are exposed to beverages and cleansers that impact their color stability, surface roughness, and microhardness. Understanding these effects is essential for guiding clinical recommendations and optimizing material selection for long-term use.</p><p><strong>Objectives: </strong>To evaluate the color change, roughness, and microhardness of PR and HR denture base resins after immersion in beverages and cleansers.</p><p><strong>Methods: </strong>PR and HR samples were subjected to 5,000 thermocycling cycles in distilled water, coffee, and green tea, as well as immersion in 1% sodium hypochlorite (NaClO) and effervescent tablets (Corega Tabs®) to simulate 6 months of use. Color change was evaluated using the CIELab and CIEDE2000 systems, surface roughness using Ra and Rz parameters, and microhardness, before and after immersion.</p><p><strong>Results: </strong>Distilled water, 1% NaClO, and effervescent tablet caused higher color changes in both PR and HR (P⟩0.05). HR showed increased roughness after immersion in 1% NaClO, effervescent tablet, and coffee (P⟨0.05). All beverages and cleansers affected PR roughness (P⟨0.05). Only 1% NaClO reduced HR microhardness (P⟨0.05).</p><p><strong>Conclusions: </strong>Immersion in beverages and cleansers alters the color and roughness of PR and HR, with 1% NaClO causing the most significant impact on their physical and mechanical properties.</p>","PeriodicalId":45686,"journal":{"name":"European Journal of Prosthodontics and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144267581","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Masking Ability of Prosthetic Substrates by a Conventional Resin Luting Agent and the Effect of the Core on the Final Color of Lithium Disilicate Crowns.","authors":"J Fehrenbach, L P Brondani, E A Münchow, C P Isolan, C D Bergolis","doi":"10.1922/EJPRD_2790Fehrenbach07","DOIUrl":"10.1922/EJPRD_2790Fehrenbach07","url":null,"abstract":"<p><strong>Introduction: </strong>Thin all-ceramic restorations enhance esthetics but are less predictable, especially with dark substrates, where opaque resin luting agents may be needed, though not always available. This study aimed to evaluate the influence of a resin luting agent on the final color of lithium disilicate crowns and masking of two prosthetic substrates (esthetic and metallic).</p><p><strong>Methods: </strong>Eighty prostheses with ceramic crowns were simulated from bovine roots. The specimens were randomized, according to the intraradicular retainer used, and divided into 2 groups (n=40): metallic (cast post and core) and esthetic (glass fiber post with composite resin core). The crowns were attached to their cores and the first CIELAB scale was measured with a spectrophotometer. The second color measurement was performed after cementation with a dual resin luting agent. The results were submitted to color variation calculation and statistical analysis.</p><p><strong>Results: </strong>Coordinate * L and * b values increased significantly (p⟨0.05) after cementation for both groups and there was no statistical difference between the groups for the ΔE00 value (p=0.242).</p><p><strong>Conclusions: </strong>Resin luting agent positively impacted the final crown color and aided in masking both substrates. The effect of the substrate was attenuated on the final color of ceramic crowns.</p>","PeriodicalId":45686,"journal":{"name":"European Journal of Prosthodontics and Restorative Dentistry","volume":" ","pages":"148-154"},"PeriodicalIF":1.1,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143659067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of Thermal Tempering Processes on Color Stability of Glassinfiltrated Monochrome and Multilayer 5 mol% Yttria Partially Stabilized Zirconia.","authors":"P Uasuwan, N Juntavee, A Juntavee","doi":"10.1922/EJPRD_2832Uasuwan12","DOIUrl":"10.1922/EJPRD_2832Uasuwan12","url":null,"abstract":"<p><strong>Introduction: </strong>This study investigated the effects of tempering on color stability of glassinfiltrated monochrome (Mo) and multilayer (Mu) 5 mol% yttria-partially stabilized zirconia (5Y-PSZ).</p><p><strong>Materials and methods: </strong>180 5Y-PSZ specimens (width-length-thickness = 10-20-2 mm) were prepared from Mo and Mu, comprising cervical (C) and incisal (I) zone, and sintered with traditional versus glass infiltrated technique with different tempering processes through slow (S: 5°C/min), normal (N: 35°C/min), and fast (F: 70°C/min) cooling. CIE-L*a*b*, color difference (ΔEdiff), and microstructures were evaluated. ANOVA and Tamhane's comparisons were determined for significant differences (p⟨0.05).</p><p><strong>Results: </strong>Mo closely resembled MuI for L* and a*, but was similar to MuC for b* and ΔEdiff. MuC exhibited significantly higher L*, a*, and b*, but lower ΔEdiff than MuI. Glass infiltration and fast tempering significantly increased L*, and ΔEdiff, whereas decreased a*, and b*. Mu had higher color change than Mo, but both were within an acceptable threshold (ΔEdiff≤5.5).</p><p><strong>Conclusions: </strong>Glass infiltration and tempering processes altered color, with greater influence on Mu>Mo. Glass infiltration and rapid tempering produced a whitechalky and less chroma due to smaller grain size and t→m transformation. Nevertheless, color alterations were still within acceptable limits, thus considered color stable.</p>","PeriodicalId":45686,"journal":{"name":"European Journal of Prosthodontics and Restorative Dentistry","volume":" ","pages":"136-147"},"PeriodicalIF":1.1,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143626371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Air Abrasion vs. Tribochemical Silica Coating: Effect on Translucent Zirconia Bond Strength.","authors":"F H O Prochnow, K R Weber, C E E Rezende, M R Kaizer, C C Gonzaga","doi":"10.1922/EJPRD_2799Prochnow07","DOIUrl":"10.1922/EJPRD_2799Prochnow07","url":null,"abstract":"<p><strong>Objectives: </strong>This study evaluated the microshear bond strength between resin cement and three translucent zirconias (3Y-PSZ, 4Y-PSZ, and 5Y-PSZ) following air abrasion with aluminum oxide (Al2O3) or tribochemical silica coating (CoJet), before and after thermal cycling. 3Y-TZP was included as a control.</p><p><strong>Methods: </strong>Zirconia specimens were treated with air abrasion or CoJet, followed by the application of a zirconia primer and adhesive. Dual-cured resin cement cylinders were then bonded to the treated surfaces for microshear bond strength testing after 7 days in distilled water or after aging (30 days and 10,000 thermal cycles). Data were analyzed using three-way ANOVA (zirconia, treatment, and aging) and Tukey's test (α = 0.05).</p><p><strong>Results: </strong>The triple interaction was not significant. Treatment*time and zirconia*time interactions were significant (p⟨0.001). 3YTZP exhibited higher bond strength at 7 days. Higher bond strength values were obtained for CoJet and Al2O3 air abrasion groups at 7 days (13.47 ± 3.55 MPa). All specimens presented adhesive failures.</p><p><strong>Conclusion: </strong>The type of zirconia significantly influenced the microshear bond strength. 3Y-TZP showed greater bond strength compared to translucent zirconias. Tribochemical coating promoted higher bond strength at both time points. Thermal cycling negatively affected the bond strength of all zirconias evaluated.</p><p><strong>Clinical relevance: </strong>The observed variations in bond strength among different translucent zirconias emphasize the importance of material selection for optimal clinical outcomes. Additionally, the positive influence of tribochemical silica coating on bond strength highlights its potential as a valuable surface treatment for enhancing the durability of zirconia-based restorations in the oral environment. However, the detrimental effects of thermal cycling on bond strength emphasize the need for careful clinical considerations when fabricating and cementing translucent zirconia restorations.</p>","PeriodicalId":45686,"journal":{"name":"European Journal of Prosthodontics and Restorative Dentistry","volume":" ","pages":"199-205"},"PeriodicalIF":1.1,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143754946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of Different Finish Line Types on the Penetration Properties of Elastomeric Impression Materials.","authors":"D Pewhome, P Apinsathanon, N Na Nan, P Na Nan, P Laoharungpisit, N Aimjirakul","doi":"10.1922/EJPRD_2746Pewhom08","DOIUrl":"10.1922/EJPRD_2746Pewhom08","url":null,"abstract":"<p><strong>Introduction: </strong>The objective of this study was to determine the penetration ability of elastomeric impression materials affected by abutment finish line configurations with a simulated gingival sulcus model.</p><p><strong>Methods: </strong>The gingival sulcus model was simulated using agarose gel and milled abutment models. Twenty impressions of each finish line (feather-edge, mini-chamfer, chamfer, heavy chamfer, and radial shoulder) were made. Four elastomeric impression materials were used for the two-step double-mixed, double-impression technique, consisting of polysulfide, polyvinylsiloxane, polyether, and vinylsiloxanether (N=120). The extension of impression that flowed into the simulated gingival crevices was measured under a stereomicroscope by using image analysis software.</p><p><strong>Results: </strong>Two-way analysis of variance revealed statistically significant main effects and an interaction between finish line type and impression material type (p⟨0.05). The radial shoulder showed significantly greater penetration than the other finish lines for polyvinylsiloxane, polyether, and vinylsiloxanether (p⟨0.05).</p><p><strong>Conclusions: </strong>The type of finish line influences the ability of elastomeric impression materials to penetrate within a simulated gingival sulcus model. The penetration ability of elastomers tends to increase due to the increasing width of the finish line. Among all the materials, polyether has the greatest potential to penetrate through the narrow gingival sulcus.</p>","PeriodicalId":45686,"journal":{"name":"European Journal of Prosthodontics and Restorative Dentistry","volume":" ","pages":"172-179"},"PeriodicalIF":1.1,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143659063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Survival of CAD/CAM Feldspathic Crowns in Brazilian Navy Dentistry: 24 Months of Preliminary Study.","authors":"M M M Michelon, C V Maluf, E J L Veras, D de Moraes Telles","doi":"10.1922/EJPRD_2810Michelon07","DOIUrl":"10.1922/EJPRD_2810Michelon07","url":null,"abstract":"<p><strong>Purpose: </strong>CAD/CAM feldspathic ceramic (FC) materials remain used for their low cost and ease of chairside production. The purpose of this study was to describe preliminary clinical results, reporting the success and survival of FC dental crowns in a high-demand service using a simplified CAD/CAM technique.</p><p><strong>Materials and methods: </strong>A calibrated dentist fabricated indirect restorations using the CEREC method and intraoral scanning (Cerec Omnicam, Cerec MCXL) for high-demand dental care. Forty crowns were seated adhesively and evaluated after 24 months using the newly validated UERJ criteria. Statistical analysis was performed with the McNemar test (p⟨.05).</p><p><strong>Results: </strong>The survival clinical rate of FC CAD/CAM crowns after 24 months was 100%. However, 65% of indirect restorations presented reparable complications. No failure with loss of restoration was detected. Within the complications, most parts were in the proximal contact point, with statistically different significance in follow-up.</p><p><strong>Conclusion: </strong>This study demonstrates that FC CAD/CAM crowns made using a simplified technique have a high clinical survival rate after 24 months, which is crucial for high-demand service. A more extended clinical evaluation period using the same criteria is necessary to draw further conclusions.</p>","PeriodicalId":45686,"journal":{"name":"European Journal of Prosthodontics and Restorative Dentistry","volume":" ","pages":"123-129"},"PeriodicalIF":1.1,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143626375","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}