Missing teeth
Conditions
Interventions
Test group (Test group: For patients with interdental bone defect at adjacent teeth,alveolar ridge preservation (ARP) and periodontal reconstruction (PR) of the adjacent teeth were performed:NA
Control group (Control group: For patients without interdental bone defect at adjacent teeth, only ARP procedure were performed.):NA
Sponsors
West China Hospital of Stomatology, Sichuan University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Aged between 18 and 70 years old; 2. Non-restorable teeth requiring extraction due to various reasons, with existing bone defects or chronic inflammation at the extraction site, and planned for post-extraction implant surgery; 3. Presence of at least one adjacent tooth; 4. Proximal bone defect adjacent to the edentulous area (defect located on the edentulous side with a bone defect height >=2mm); 5. Complete clinical documentation, including preoperative, immediate postoperative, and 6-month postoperative CBCT imaging of the site.
Exclusion criteria
Exclusion criteria: 1. Grade III mobility of the teeth adjacent to the edentulous area. 2. Recent history of head and neck radiation therapy or treatment with steroidal anti-inflammatory drugs or bisphosphonates. 3. Women who are pregnant or breastfeeding. 4. Heavy smoking (>=10 cigarettes per day). 5. Poor oral hygiene with uncontrolled periodontal disease. 6. Failure to participate in follow-up or incomplete follow-up data.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Horizontal ridge width; | — |
Secondary
| Measure | Time frame |
|---|---|
| Vertical height of ridge;Interdental bone height;open wound soft tissue healing evaluation system; | — |
Countries
China
Contacts
Public ContactWu Yingying
Department of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University
Outcome results
None listed