Implantology
Conditions
Interventions
Case series:NA
Sponsors
Shanghai Ninth People's Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Aged 18–70 years (inclusive), any sex. 2. Periodontally healthy, with at least one adjacent tooth that is healthy and unrestored. 3. Tooth scheduled for extraction with 50 % of the root length. 5. Horizontal gap between the socket wall and the implant > 2 mm, and at least 4 mm of residual bone height apical to the socket. 6. Willing to participate and has signed the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Patients with bone-metabolic disorders (e.g., osteoporosis, Paget’s disease) or who have taken medications/substances that markedly affect bone metabolism (e.g., corticosteroids, bisphosphonates) within the 3 months prior to enrollment. 2. Patients with severe cardiac disease, coagulopathy, or any other condition deemed unsuitable for surgery by the investigators. 3. Patients with abnormal hepatic or renal function (ALT or AST > 1.5 × upper limit of normal, or serum creatinine above normal). 4. Patients with poorly controlled diabetes (fasting glucose >= 8 mmol/L) or poorly controlled hypertension (systolic >= 160 mmHg and/or diastolic >= 100 mmHg). 5. Patients with prior radiotherapy to the head and neck region. 6. Heavy smokers (>= 10 cigarettes per day). 7. Patients with acute apical periodontitis, active periodontal disease, a history of refractory periodontitis, or active infection. 8. Patients with poor oral hygiene who are unable to maintain adequate oral care. 9. Patients unable to undergo oral imaging required for outcome assessment. 10. Women of child-bearing potential who are pregnant, planning pregnancy, or lactating; men whose partners are planning pregnancy. 11. Patients with severe psychiatric disorders. 12. Patients who have participated or are participating in another drug or device clinical trial within the past 3 months. 13. Patients with poor compliance or otherwise deemed unsuitable for inclusion by the investigators.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| bone height; | — |
Secondary
| Measure | Time frame |
|---|---|
| Bone Width;Soft tissue increment; | — |
Countries
China
Contacts
Public ContactYingxin Gu
Shanghai Ninth People's Hospital
Outcome results
None listed