Periodontitis
Conditions
Interventions
Control group:The tooth extraction site is filled with bone powder, and the periosteum is directly pulled and sutured
CGF group:The extraction site is filled with bone powder and periosteum, covered with a CGF, and sutured
Collagen group:The extraction site is filled with bone powder and periosteum, covered with a collagen sponge, and sutured
Sponsors
The Affiliated Stomatology Hospital of Tongji University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. Age >=18 years old, <=65 years old, no serious diabetes, hypertension, osteoporosis and other basic diseases. 2. The extraction site is resorbed to less than one-third of the apex due to periodontitis. 3. Adjacent teeth remain. 4. Planting restoration is proposed.
Exclusion criteria
Exclusion criteria: 1. Pregnant or lactating women. 2. Smoking > 10 cigarettes/day. 3. Long-term use of drugs that affect bone metabolism or bone healing. 4. History of head and neck radiation therapy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Alveolar bone resorption; | — |
Secondary
| Measure | Time frame |
|---|---|
| Soft tissue thickness;Change in keratinized gingival width;Osteogenesis Status; | — |
Countries
China
Contacts
Public ContactLuo Lijun
The Affiliated Stomatology Hospital of Tongji University
Outcome results
None listed