External Root Resorption
Conditions
Interventions
Normal group:None
External root resorption group:None
Sponsors
Peking University Hospital of Stomatology
Eligibility
Sex/Gender
All
Age
12 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. Age range: 12 - 65 years old; 2. General health is good, and there are no contraindications for tooth extraction; 3. Periodontal condition is good, with PD <= 5mm;
Exclusion criteria
Exclusion criteria: 1.The general condition was poor and the tooth extraction was contraindicated; 2.The periodontal condition was poor, and there was extensive and severe alveolar bone destruction;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Differential gene; | — |
Secondary
| Measure | Time frame |
|---|---|
| Whether there is ERR; | — |
Countries
China
Contacts
Public ContactWang Xiaoyan
Peking University Hospital of Stomatology
Outcome results
None listed