Tooth column
Conditions
Interventions
Experimental group:Autogenous dental bone meal filling
control group:plenty of blood
Sponsors
Guo Jianbin
Eligibility
Sex/Gender
All
Age
18 Years to 30 Years
Inclusion criteria
Inclusion criteria: 1. An's class I adult patients (aged 18 to 30 years) who need to extract 4 first premolars; 2. The patient's left and right occlusion and alveolar bone base are basically symmetrical; 3. No bone metabolic diseases such as diabetes, osteoporosis and uncontrolled systemic diseases; 4. Healthy periodontal tissue, no bone destruction such as cysts and tumors, and no history of orthodontic treatment; 5. Preoperative blood test prompts: normal coagulation function and normal platelet count; 6. Be able to obtain all the patient's facial images, occlusal images, curved slices, lateral skull films, CT, dental and jaw models before and after treatment; 7. The Patient has good compliance.
Exclusion criteria
Exclusion criteria: 1. Contraindications for tooth extraction; 2. Those with blood diseases such as leukemia and aplastic anemia, who have taken anticoagulant drugs in the past 12 weeks or whose blood coagulation test is not within the normal range; 3. History of trauma or surgery, fracture or even loss of alveolar bone plate; 4. Severe periodontitis; 5. Systemic diseases or drug applications that may affect the healing of soft and hard tissues; 6. Have a history of smoking; 7. Pregnancy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Clearance closing time;Tooth movement rate; | — |
Countries
China
Contacts
Public ContactGuo Jianbin
Hospital of Stomatological Fujian Medical University;Fujian Stomatological Hospital
Outcome results
None listed