Oral surgery
Conditions
Interventions
Group 1:Minimally invasive extraction of teeth + Guided Bone Regeneration
Group 2:Minimally invasive extraction of teeth
Sponsors
Beijing Changping District Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 45 Years
Inclusion criteria
Inclusion criteria: 1. general health or well-controlled hypertension without tooth extraction contraindications; 2. impacted wisdom teeth in the mandibular proximal middle. The second molar has severe bone resorption in the distal alveolar alveolar bone, but at least the residual height of the bone wall is greater than 3 mm, and the looseness is less than I degree; 3. complete basic periodontal treatment with good oral hygiene and strong compliance; 4. smoking < 10 cigarettes /d, stop smoking before and after surgery; 5. voluntarily participate in this study and sign informed consent.
Exclusion criteria
Exclusion criteria: 1. patients 45 years old; 2. acute infection of the affected teeth; 3. smoking over 10 cigarettes /d; 4. during pregnancy, lactation and planned pregnancy; 5. long-term use of nsaids, bisphosphate, corticosteroid, tetracycline, immunosuppressant and other drugs that affect bone metabolism or bone healing; 6. history of head and neck radiotherapy; 7. the second molar is missing or the second molar needs to be removed together.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| CBCT; | — |
Countries
China
Contacts
Public ContactJun Ma
Beijing Changping District Hospital
Outcome results
None listed