About this trial
The objectives of the present prospective randomized clinical study are to evaluate and to compare the survival and success rates, possible biological and technical complications, and the clinical performance of metal-ceramic, monolithic zirconia and resin-matrix posterior crowns.
The null hypothesis is that no differences would be found between the parameters studied for each type of restoration.
Eligibility criteria
Qualifiers
One posterior tooth (molar or premolar) to be crowned,
Vital abutments or abutments with sufficient endodontic treatment
Abutment not crowned previously
Periodontally healthy abutments with no signs of bone resorption or periapical disease --
Disqualifiers
Patients who present reduced crown length (less than 3 mm occlusogingival height
Poor oral hygiene, high caries activity, active periodontal disease or bruxism.
Trial design
Treatments tested in this trial
- Resin-matrix
- Monolithic zirconia
- Metal-ceramic
Treatment groups
Sponsors and collaborators
Universidad Complutense de Madrid
Lead sponsor
BEGO GmbH
Collaborator