tooth defect
Conditions
Interventions
observation group:none
Sponsors
Peking University Hospital of Stomatology
Eligibility
Sex/Gender
All
Age
18 Years to 60 Years
Inclusion criteria
Inclusion criteria: 1. The patient completed the restoration at the Department of Endodontics, Peking University Stomatology Hospital; 2. Root canal treated tooth; 3. The tooth was restored with all-ceramic restoration using CAD/CAM; 4. The tooth has a pre-restoration record or photograph that reflects the amount of remaining tooth tissue and the characteristics of the tooth preparation; 5. The patient signs an informed consent;
Exclusion criteria
Exclusion criteria: 1. Pregnant and lactating women; 2.Obvious abnormalities in the form or position of neighboring and opposing (alveolar) teeth, such as twisted, tilted or displaced teeth; missing neighboring and opposing alveolar teeth; 3.Severe mouth opening restriction, temporomandibular joint disorders; 4.Severe oral bad habits (such as smoking>20 cigarettes/day, chewing betel nut, etc.); 5.Patients with physical disabilities or mental illnesses that interfere with caring for oral hygiene; 6.History of chemotherapy or head and neck regional radiotherapy within 5 years; 7. Presence of conditions that interfere with the completion of the study or interfere with the results of the study analysis, such as non-cooperation and concealment of medical history;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| survival rate;follow-up time; | — |
Secondary
| Measure | Time frame |
|---|---|
| The dental remaining tissue;Occlusion; | — |
Countries
China
Contacts
Public ContactXiaoyan Wang
Peking University Hospital of Stomatology
Outcome results
None listed