used for alveolar ridge preservation after tooth extraction.
Conditions
Interventions
Test:used absorabable silk fibroin membrance
Control:used Bio-gide membrance
Sponsors
Hospital of Stomatology of Wuhan University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. The subjects age was from 18 to 65 and the sex was not limited; 2. The vital signs were normal; 3. Subjects were to extract mandibular posterior teeth for various therapeutic purposes; 4. Subjects were conscious; 5. Subjects participated in the clinic trial voluntarily, and the informed consents were signed by the subjects or their legal representative.
Exclusion criteria
Exclusion criteria: 1. Hypertension: after treatment, systolic pressure was more than 140 mmHg and diastolic pressure was more than 90 mmHg; 2. Subjects had a history of angina or myocardial infarction; 3. Subjects had diabetes mellitus (After treatment, the blood glucose value two hours after meal was more than 11.1mmol/L); 4. Patients had malignancies or received chemordiation; 5. Anemia, hemoglobin is less than 10mg/dL, obvious active hemorrhage; 6. The test values of liver and kidney function were morn than1.5 times the upper limit of normal; 7. Female subject was pregnant or breastfeeding; 8. Bisphosphonates medicines were orally taken in the long term for osteoporosis; 9. Subjects were unwilling to sign informed consent for various reasons; 10. In any case, subjects were not suitable for the treatment judged by the researchers.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the height, width change value of alveolar ridge; | — |
Countries
China
Contacts
Public ContactWang Xiao
Peking University Third Hospital
Outcome results
None listed