Evaluation of single crowns marginal adaptation, fabricated in 3 different methods
- Conditions
- Marginal adaptation of single unit restorations.
- Registration Number
- IRCT20160213026538N4
- Lead Sponsor
- Kermanshah University of Medical Sciences
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 60
Good general health (No systemic disease affecting the clinical outcomes)
Periodontal health (Plaque index and BOP should be under 20% before prosthodontic treatment)
No obvious signs or symptoms of bruxism and/or clenching (Bruxism such as attrition and fractures on the patient's natural tooth or reconstructions, no pain on muscular palpation or tendomyopathy, no pain due to joints, no self reported bruxism or clenching)
Abutment teeth requires reconstruction (abutment teeth with existing extensive cavities, fillings or crowns)
Non-vital abutment teeth with positive long-term prognosis based on clinical and radiological assessment (No obvious peri-apical or periodontal lesions)
Sufficient periodontal support for single crown restoration and minimum mobility
Sufficient tooth preparation length to ensure retention and resistance forms
Patients should be satisfied to join our study and sign the consent
Patients that are not willing or able to perform oral hygiene ( Plaque index and BOP more than 20%)
Abutment tooth with clinical signs
Tooth with grade two or more mobility
parafunctional habits
Periodontitis, severe gingivitis, poor oral hygiene and high active caries
Study & Design
- Study Type
- interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Marginal adaptation of restorations. Timepoint: Before and after veneering the restorations. Method of measurement: Adaptation is measured by using 3 methods: 1.Parallel bite wing radiography 2.Touching by a sonde 3. Silicone Replica technique.
- Secondary Outcome Measures
Name Time Method