PEEK crown for molar teeth
Not Applicable
- Conditions
- Caries of molar tooth
- Registration Number
- JPRN-jRCTs062180040
- Lead Sponsor
- Abekura Hitoshi
- Brief Summary
PEEK crowns for molars are promising as an alternative to metal without fracture or dehiscence.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete
- Sex
- All
- Target Recruitment
- 20
Inclusion Criteria
At the time of the agreement, patient of 20 years or older. Upper or lower molar, single crown (connected two crowns, possible), antagonistic teeth are necessary (material do not matter). Around 3mm height of abutment tooth after preparation. Acquire a document agreement for the participation of the study.
Exclusion Criteria
Abutment tooth of the partial denture. Severe periodontal disease (pockets more than 6mm, bone resorption, attachment loss more than tooth root long 1/2 more than furcation involvement 2 degrees). Inappropriate though a study partaker or member (of a research project) carried out this study.
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method One month, three and six months after setting PEEK crown, crack/fracture of crown, falling of crown, condition of occlusal contact, pain, secondary caries, condition of occlusal surface of crown, dislocated crown color, attached dental plaque, condition of marginal gingiva, occlusal surface of antagonistic teeth, interproximal contact, necessity of retreatment, satisfaction of the patient.
- Secondary Outcome Measures
Name Time Method This material has been used in the field of foreign countries or medical department, and is guessed safely for subjects, but confirms presence of the expression of the side effect of gingiva, the mucous membrane disease.