نتایج جستجو برای: ceramic crowns

تعداد نتایج: 27230  

Journal: :The International journal of oral & maxillofacial implants 2014
Burçin Akoğlu Vanlıoğlu Erkut Kahramanoğlu Coşkun Yıldız Yaşar Ozkan Yasemin Kulak-Özkan

PURPOSE The aim of this study was to evaluate the treatment outcome of implants placed in the maxillary anterior segment. MATERIALS AND METHODS Patients were treated with bone-level implants (Straumann Bone Level Implant, Institut Straumann) that supported all-ceramic single crowns and were followed for 2 to 4 years. Titanium or ceramic abutments were used according to the quality of the soft...

Journal: :The Journal of prosthetic dentistry 2009
Richard P Kinsel Dongming Lin

STATEMENT OF PROBLEM Porcelain fracture associated with an implant-supported, metal ceramic crown or fixed partial denture occurs at a higher rate than in tooth-supported restorations, according to the literature. Implant-specific and patient-specific causes of ceramic failure have not been fully evaluated. PURPOSE The purpose of this retrospective study was to evaluate the potential statisti...

2013
Rafael Ferrone Andreiuolo Carlos Eduardo Sabrosa Katia Regina H. Cervantes Dias

The use of bi-layered all-ceramic crowns has continuously grown since the introduction of computer-aided design/computer-aided manufacturing (CAD/CAM) zirconia cores. Unfortunately, despite the outstanding mechanical properties of zirconia, problems related to porcelain cracking or chipping remain. One of the reasons for this is that ceramic copings are usually milled to uniform thicknesses of ...

Journal: :Clinical oral implants research 2008
Ronald E Jung Bjarni E Pjetursson Roland Glauser Anja Zembic Marcel Zwahlen Niklaus P Lang

OBJECTIVES The objective of this systematic review was to assess the 5-year survival of implant-supported single crowns (SCs) and to describe the incidence of biological and technical complications. METHODS An electronic MEDLINE search complemented by manual searching was conducted to identify prospective and retrospective cohort studies on SCs with a mean follow-up time of at least 5 years. ...

2017
Sulki Choi Hyung-In Yoon Eun-Jin Park

PURPOSE The goal of this study was to evaluate the fracture resistances of various monolithic crowns fabricated by computer-aided design and computer-aided manufacturing (CAD/CAM) with different thickness. MATERIALS AND METHODS Test dies were fabricated as mandibular molar forms with occlusal reductions using CAD/CAM. With different occlusal thickness (1.0 or 1.5 mm), a polymer-infiltrated ce...

Asadollah Ahmadzadeh, Farnoosh Golmohammadi, Najmeh Mousavi,

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...

Abdollah Javan Rashid Ahmad Ghahremanloo Mohsen Movahedzadeh

Introduction: Marginal fit is a key factor for long term clinical success through any dental restorations. Poor marginal adaptation causes cement dissolution. This can lead to dental caries, gingival irritation, periodontal diseases, and finally treatment failure. The aim of this study was measurement and comparison of marginal gap quantities in metal ceramic and all ceramic dental restorations...

Journal: :Journal of clinical and diagnostic research : JCDR 2015
Y Sravanthi Y V Ramani Asha M Rathod Sabita M Ram Hetal Turakhia

INTRODUCTION All-ceramic crowns with different core materials of different strength and aesthetics are available in recent years. The aesthetics of the crown depends mainly on the shade and translucency. Clinician should be aware of the quality and characteristics of these materials so that they will be able to opt for good material for successful clinical use. AIM AND OBJECTIVE The aim of th...

2017
Somayeh Zeighami Yasamin Babaee Hemmati Seyed Mehran Falahchai

One important aspect of dental restorations is esthetic. Although ceramic restorations are usually undertaken for esthetic reasons, several factors can affect their results. This study was undertaken to systematically review articles addressing the effect of ceramic thickness and luting cement color on the final restoration color. This systematic review was based on PRISMA (Preferred Reporting ...

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