Marginal adaptation of single unit restorations.
Conditions
Interventions
Intervention 1: Intervention group: Application of metal ceramic crowns fabricated by CAD/Milling technique. Intervention 2: Intervention group: Application of metal ceramic crowns fabricated by CAD/
Sponsors
Kermanshah University of Medical Sciences
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 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
Exclusion criteria
Exclusion criteria: 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
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 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. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactHanieh Hamekhani
Kermanshah University of Medical Sciences
Outcome results
None listed