Dentition defect
Conditions
Interventions
Group A (I wall bone support or horizontal bone defect):none
Group B (II wall bone support):none
Group C (III wall bone support, annular bone graft and implant at the same time):none
Sponsors
West China Stomatological Hospital of Sichuan University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. Age 18-65; 2. Good oral hygiene; 3. No systemic disease or systemic disease is well controlled; 4. Patients with missing upper front teeth (13-23) and willing to have implants; 5. Have good compliance, voluntarily participate and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Patients with sufficient bone in the anterior tooth loss area do not need bone ring surgery; 2. There is not enough bone in the bone harvesting area, so it is not suitable for intraoral autologous bone transplantation; 3. The remaining bone mass at the implant site cannot provide the initial stability of the implant; 4. Acute inflammation of adjacent teeth, loosening of grade II or above, or a subosseous pocket; 5. Osteoporosis or ever taking bisphosphonates; 6. Poorly controlled systemic diseases; history of head and neck radiation therapy; 7. Smoking > 10 cigarettes/day; 8. Female patients who are not suitable for implant surgery during pregnancy or lactation; 9. Those who cannot cooperate with follow-up visits.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Success rate;Bone gain results;Bone resorption; | — |
Secondary
| Measure | Time frame |
|---|---|
| Soft tissue thickness; | — |
Countries
China
Contacts
Public ContactYu Ban
West China Hospital of Stomatology Sichuan University
Outcome results
None listed