Journal of Prosthodontics on Complex Restorations Journal of Prosthodontics on Complex Restorations
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منابع مشابه
Effect of Zirconia Thickness on the Tensile Stress of Zirconia Based All-Ceramic Restorations
Introduction: The purpose of the presented study was to evaluate the effect of zirconia thickness on the tensile stress of zirconia based all-ceramic restorations. Methods: Twenty zirconia disks with 10mm diameter were prepared in two groups using CAD/CAM system. The thickness of zirconia was 0.5mm in first group and 0.3mm in second group. After sintering, 0.4mm glass ceramic porcelain was appl...
متن کاملFoundation restorations in fixed prosthodontics: current knowledge and future needs.
PURPOSE The Ad Hoc Committee on Research in Fixed Prosthodontics established by the Academy of Fixed Prosthodontics publishes a yearly comprehensive literature review on a selected topic. The subject for this year is foundation restorations. METHODS Literature of various in vitro and in vivo investigations that included technical and clinical articles was reviewed to provide clinical guidelin...
متن کاملEffect of marginal design on fracture resistance of IPS e.maxall ceramic restorations: Chamfer versus shoulder finish lines
Background and Aim: One of the problems of all ceramic restorations is their risk of fracture due to occlusal loads. The aim of the present study was to compare the effect of two marginal designs (shoulder and chamfer) on the fracture resistance of IPS-emax all ceramic restorations. Materials and Methods: One extracted maxillary first premolar received chamfer 50' marginal preparation (0.8 m...
متن کاملIn Vitro Evaluation of Fracture Resistance of Zirconia Restorations Veneered by Two Different Systems: Rapid Layer Technique and Zir/CAD/CAM
Background: This study aimed to assess the fracture resistance of zirconia restorations fabricated with rapid layer (RL group) technique and zirconia computer-aided design/computer-aided manufacturing (zir/CAD/CAM) system (ZC group). Methods:This study evaluated 30 all-ceramic crowns in two groups of 15. After fabricating the metal dies and scanning them ...
متن کاملSurvival of Direct Posterior Composites With and Without a Bulk Fill Base.
OBJECTIVES Direct composite restorations are increasingly popular and a flowable bulk-fill base material (SDR, Dentsply) claims to minimise stress through a more flexible polymerisation process. This retrospective audit of restorations placed in general practice compares SDR based restorations with conventional composite restorations. METHODS Restorations were all placed by one operator using...
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تاریخ انتشار 2016