Effects of different Cementitious materials on the longevity of Ceramic crowns - A clinical research
Phase 1
Recruiting
- Conditions
- Dental caries
- Registration Number
- RBR-55mwvb
- Lead Sponsor
- Voco do Brasil Ltda
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- Not specified
- Target Recruitment
- Not specified
Inclusion Criteria
Patients must be at least 18 years of age; good general health; at least 20 teeth present in the mouth; healthy gum tissue and use of two zirconia crowns in the anterior or posterior region; Where the maximum horizontal mobility is 1mm be accepted.
Exclusion Criteria
Patients who suffer from bruxism, poor oral hygiene and periodontal disease will be deleted.
Study & Design
- Study Type
- Intervention
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Evaluate all crowns by two independent observers, calibrated, and after cementation over 1 week 6 months, 12 months and 24 months. Verified by the criteria of the modified USPHS (United States Public Health Service).
- Secondary Outcome Measures
Name Time Method Evaluate differences between the two types of cementing agents, noting if the crowns are retained.;Evaluate differences between the two types of cementing agents, noting if the crowns have color stability.;Evaluate differences between the two types of cementing agents, noting if the crowns have marginal discoloration.;Evaluate differences between the two types of cementing agents, noting if the crowns have apresentam adaptação marginal.;Evaluate differences between the two types of cementing agents, noting if the crowns have surface roughness.;Evaluate differences between the two types of cementing agents, noting if the crowns have anatomically preserved form.;Evaluate differences between the two types of cementing agents, noting if the crowns have secondary caries.