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

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

90 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-02-01

Study Completion Date

2021-09-01

Brief Summary

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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.

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Detailed Description

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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

Conditions

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Dental Prosthesis Failure

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Outcome Assessors

Study Groups

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