Partial Edentulism
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Age >=18 years; 2.Buccal bone defect or dehiscence (classified as types 0 and 2 according to Benic and Hämmerle). 3.No ridge preservation procedure performed in the edentulous area, and at least 3 months of healing before implant surgery. 4.Simultaneous implant placement with PGBR technique, and healing period of more than 3 months. 5.All patients underwent three cone-beam computed tomography (CBCT) scans and intraoral documentation (preoperative, immediately postoperative, and before 6 months postoperative). 6.Reliable and complete case data and photographs could be collected.
Exclusion criteria
Exclusion criteria: 1.History of severe systemic diseases; 2.Long-term use of steroidal anti-inflammatory drugs; 3.Heavy smokers (>20 cigarettes per day) or individuals with alcohol/drug abuse; 4.Uncontrolled periodontal disease or poor oral hygiene; 5.Pregnant or lactating women; 6.Currently using medications that affect bone metabolism; 7.Patients who have undergone or require soft tissue augmentation;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 6 months Postoperative Bone Width Change; | — |
Secondary
| Measure | Time frame |
|---|---|
| Implant Survival Rate;Buccal Keratinized Mucosa Width;6 months Postoperative Bone Height Change;Marginal Bone Loss; | — |
Countries
China
Contacts
West China Hospital of Stomatology, Sichuan University