Tooth Defect
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) aged between 18 and 60 years old; (2) acceptable root canal treatment, severely discolored,the periodontal tissue was basically healthy, no gingival redness ,swelling, bleeding and other abnormalities; (3) A serious defected premolar tooth but has completed the repair of the gold alloy metal post-and-core treatment; (4) The shade of natural control tooth is normal; (5) the occlusion was normal; (6) acknowledgement and agreement.
Exclusion criteria
Exclusion criteria: 1. bruxism or clenching; 2. Periodontitis,gingival inflammation, high caries rate, has not been under treatment; 3. Could not comply with the doctor's advice to maintain good oral hygiene and cooperate with the treatment; 4. color blindness and visual impairment; 5. Acute or chronic temporomandibular joint disorder; 6. Other factors potentially affecting the effect of restoration (such as severe cardio-cerebral vascular diseases, coagulation abnormalities, etc).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The color aberration ?E; | — |
Secondary
| Measure | Time frame |
|---|---|
| Satisfaction of patient;marginal fitness,integrity; | — |
Countries
China
Contacts
Department of Prosthodontics, Peking University School and Hospital of Stomatology