dental impants
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Bilateral first/second molars requiring extraction due to severe periodontal disease (i.e., prognosis regarded as "hopeless") and the patients desire for replacement with implants; 2. Residual alveolar bone height of the compromised teeth ranging from 1 to 3 mm; 3. Aged >= 18 years; 4. Healthy maxillary sinuses with intact sinus floors; 5. Signed informed consent form; 6. Good oral hygiene and compliance with the treatment regimen.
Exclusion criteria
Exclusion criteria: 1. Uncontrolled periodontitis; 2. Smokers; 3. Current and uncontrolled systemic diseases, such as diabetes mellitus, cardiovascular diseases, immune system diseases, severe osteoporosis, and/or blood disorders, such as coagulation disorders; 4. Long-term medication use (e.g., steroids, anti-epileptic drugs, and bisphosphonates).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Implant survival rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Marginal bone level;Alveolar bone height;Surgical duration of sinus floor elevation;Complications;Patient-reported outcomes;Histological evaluation of the biopsy sample;Condition of peri-implant mucosa; | — |
Countries
China
Contacts
Peking University School of Stomatology