ongevity of dental restorations: A multicenter study
- Conditions
- dental caries, missing tooth
- Registration Number
- JPRN-UMIN000047395
- Lead Sponsor
- agasaki University Hospital
- Brief Summary
Information about survival time of 819 restorations was obtained from 572 participants in 6 general dental practices. The median survival time was 25.5 years for 544 composite resin restorations and 17.6 years for 275 metal inlay restorations. Survival time of 824 cast crowns was obtained from 682 participants. The median survival times were 25.6 years for 542 metal crowns and 24.3 years for 282 facing crowns. Ten-year and 20-year survival rates of endodontic treatment were 92.0% and 84.1%.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 900
Not provided
1.Participants must not have been a patient for more than 10 years after the initial visit. 2.minor 3.Patients with no history of restorative treatment at the collaborating institution 4.Record only the first treatment case by treatment method and exclude the second and subsequent cases.
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Event occurrence. An event in this study refers to the need for re-treatment (including replacement, repair and extraction) due to caries, fracture, or dislodgement.
- Secondary Outcome Measures
Name Time Method