Status:
COMPLETED
Clinical Performance and Wear Mechanism of Hot-Pressed Ceramic Crowns
Lead Sponsor:
Mahidol University
Collaborating Sponsors:
Thailand Research Fund
Conditions:
Ceramic and Dental Enamel Wear
Eligibility:
All Genders
18-60 years
Phase:
NA
Brief Summary
The objectives of this study are to characterize the clinical performance and wear mechanisms of all-ceramic posterior crowns. The wear rate of all-ceramic crowns and opposing enamel in selected patie...
Detailed Description
High strength ceramics have been used in dentistry for constructing fixed partial denture. Their advantages are their acceptable fracture resistance, excellent biocompatibility, moderate opacity, etc....
Eligibility Criteria
Inclusion
- Occlusion: At least 20 remaining teeth for each patient, and at least one posterior endodontically treated tooth with natural opposing teeth
- Bruxism: No evidence based on an intraoral examination
- Dental history: No evidence of either moderate or severe periodontal disease
- Medical history: Good to excellent general health
Exclusion
- Periodontal status: Pocket depth greater than 4 mm
- Occlusion:
- Evidence of bruxism or excessive biting or clenching force
- Abutment tooth that opposes a removable partial denture
- Abutment tooth for fixed partial dentures
- Gingival recession of an abutment tooth more than 1 mm from the cementoenamel junction
- Tooth with first or second degree of tooth mobility
- Tooth with extensive carious lesions
Key Trial Info
Start Date :
May 1 2004
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
April 1 2015
Estimated Enrollment :
30 Patients enrolled
Trial Details
Trial ID
NCT00889239
Start Date
May 1 2004
End Date
April 1 2015
Last Update
May 15 2015
Active Locations (1)
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1
Faculty of Dentistry, Mahidol University
Bangkok, Thailand, 10400