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Clinical Performance of All-ceramic Posterior Crowns. A Randomized, Prospective Clinical.

Dental Prosthesis Failure Clinical Trial

Official title:
Clinical Performance of All-ceramic Posterior Crowns. A Randomized, Prospective Clinical Trial Comparing Glass-ceramic Crowns to Monolithic Translucent Zirconia Crowns With and Without a Semi-veneer

Clinical Trial Summary

This is a randomized, prospective clinical trial. The aim of the project is to assess the clinical performance of three types of tooth-supported crowns; monolithic high translucent colored zirconia, crowns of high-translucent colored zirconia with a mini-veneer buccally and crowns of lithium-disilicate glass-ceramic. Crowns will be placed on posterior teeth and evaluated from an esthetic and functional point of view, to identify if there are any differences between the materials.

Clinical Trial Description

90 monolithic tooth-supported crowns are planned to be included in the study; 30 crowns of high translucent zirconia (BruxZir, Glidewell), 30 crowns of high translucent zirconia (BruxZir, Glidewell) with a mini-veneer of porcelain and 30 crowns of lithium-disilicate glass-ceramic (IPS e.max CAD, Ivoclar Vivadent AG, Schaan, Liechtenstein). Patients with indications for single crowns will be recruited from three general dental clinics. Inclusion criteria for participating in this study are patients in need of crowns in the posterior dentition, premolars and molars. Exclusion criteria are patients with high caries activity/risk for caries and/or advanced periodontal disease. Patients who meet the criteria will be offered the opportunity to participate in the study. They will receive written information about the study design, clinical procedures and the materials and methods to be used. Patients who are interested will confirm their participation by a written consent. The patients will be offered an extended warranty for the crowns in case of failure. The study has been approved by the Regional Ethical Board in Lund, Sweden ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04272112
Study type Interventional
Source Malmö University
Contact
Status Completed
Phase N/A
Start date February 1, 2017
Completion date September 1, 2021
View Details
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