Wear of zirconia posterior FDP´s after 10 years
- Conditions
- Wear of veneered zirconia posterior FPD’s
- Registration Number
- DRKS00021743
- Lead Sponsor
- 3M Oral Care/ Health Care Business Group 3M Deutschland GmbH, Carl-Schurz-Straße 1, 41460 Neuss, Deutschland
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete
- Sex
- All
- Target Recruitment
- 30
A fixed bridge in the posterior region consisting of three to four units
- One or two missing teeth with a gap not smaller than 12 mm and not larger than 19 mm
- Only FPDs with end abutments
- Abutment teeth without apical periodontitis for the past 6 months
- Abutment teeth were vital or endodontically treated (sealed root filling up to the apical area)
- No periodontal disease (probing depth - Over 18 years with no severe medical or psychologic diseases
- Moderate or good oral hygiene (<25% marginal plaque, sulcus bleeding index <70%) and no active caries lesions
- 65 years
- Patients with a general health impairment that makes restorative treatment impossible
- severe occlusal wear
- parafunctional activities
- lacking of oral hygiene
Study & Design
- Study Type
- observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Investigation of the survival rate of ceramics after a period of 10 years, as the study situation in this area is low.
- Secondary Outcome Measures
Name Time Method Investigation of the abrasive behaviour of ceramics after a period of 10 years.