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Statement Of Problem: Ceramic restorations are popular because of their excellent optical properties. However, failures are still a major concern, and dentists are confronted with the following question: is sleep bruxism (SB) associated with an increased frequency of ceramic restoration failures?
Purpose: The purpose of this systematic review and meta-analysis was to assess whether the presence of SB is associated with increased ceramic restoration failure.
Material And Methods: Observational studies and clinical trials that evaluated the short- and long-term survival rate of ceramic restorations in SB participants were selected. Sleep bruxism diagnostic criteria must have included at least 1 of the following: questionnaire, clinical evaluation, or polysomnography. Seven databases, in addition to 3 nonpeer-reviewed literature databases, were searched. The risk of bias was assessed by using the meta-analysis of statistics assessment and review instrument (MAStARI) checklist.
Results: Eight studies were included for qualitative synthesis, but only 5 for the meta-analysis. Three studies were categorized as moderate risk and 5 as high risk of bias. Clinical and methodological heterogeneity across studies were considered high. Increased hazard ratio (HR=7.74; 95% confidence interval [CI]=2.50 to 23.95) and odds ratio (OR=2.52; 95% CI=1.24 to 5.12) were observed considering only anterior ceramic veneers. Nevertheless, limited data from the meta-analysis and from the restricted number of included studies suggested that differences in the overall odds of failure concerning SB and other types of ceramic restorations did not favor or disfavor any association (OR=1.10; 95% CI=0.43 to 2.8). The overall quality of evidence was considered very low according to the GRADE criteria.
Conclusions: Within the limitations of this systematic review, the overall result from the meta-analysis did not favor any association between SB and increased odds of failure for ceramic restorations.
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http://dx.doi.org/10.1016/j.prosdent.2017.07.005 | DOI Listing |
Dent Mater
September 2025
Dental Materials Science, Applied Oral Sciences and Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong. Electronic address:
Objectives: This study aims to enhance precision in Digital Light Processing (DLP) 3D printing for ultra-thin zirconia dental prostheses by systematically evaluating key accuracy-influencing factors beyond isolated parameter optimizations.
Methods: Four critical factors, namely, light curing fidelity, support structure stability, asymmetric sintering shrinkage, and whole-process deformation, were analyzed. Parametric optimizations were applied across these stages to improve accuracy, utilizing a 70 μm resolution DLP system to fabricate ultra-thin zirconia veneers (0.
J Prosthodont Res
September 2025
Department of Prosthodontics, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University, Düsseldorf, Germany.
Purpose: To investigate the effect of ceramic material (lithium disilicate, LDS vs. composition-gradient multilayered zirconia [4Y-PSZ and 5-PSZ], Z) and ceramic layer thickness (0.5 mm, 1.
View Article and Find Full Text PDFJ Prosthet Dent
September 2025
Associate Professor, Division of Restorative Sciences, Adams School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC.
Statement Of Problem: The effect of food-simulating solvents (FSSs) on the staining susceptibility and mechanical properties of partially and fully crystallized lithium disilicate glass-ceramics (LDGCs) remains unclear.
Purpose: The purpose of this in vitro study was to evaluate the color change, hardness, flexural strength, and reliability of LDGCs exposed to FSSs.
Material And Methods: Two machinable LDGCs, partially crystallized (IPS e.
Cureus
July 2025
Prosthodontics, Faculty of Dental Medicine, Mohammed V University, Rabat, MAR.
This article presents a clinical case where layered zirconia veneers were used to restore the patient's function and aesthetics. Composite direct layering restoration is a difficult therapeutic option that can lead to aesthetic and functional failure. Zirconia has come a long way since its introduction, and now layered zirconia veneers have become a popular option in prosthodontics due to their exceptional mechanical properties and aesthetic appeal.
View Article and Find Full Text PDFPeerJ
September 2025
Department of Dental Research Cell, Dr. D. Y. Patil Dental College and Hospital, Pune, Maharashtra, India.
Background: Short clinical crowns/abutments (SCC) pose a challenge in achieving adequate retention. Auxiliary retentive features (ARF), such as grooves, are commonly employed to enhance retention. The marginal gap (MG) and internal fit (IF) of restorations are critical factors influencing clinical success.
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