Insufficient bone in the posterior maxillary region
Conditions
Interventions
Group 1 :Simultaneous implant after lateral window sinus elevation
Group 2:Delay implant after lateral window sinus elevation
Sponsors
Stomatology Hospital, Shandong University
Eligibility
Sex/Gender
All
Age
18 Years to 74 Years
Inclusion criteria
Inclusion criteria: 1. Age > 18 years; 2. Maxillary premolars and molars without teeth for at least 3 months; 3. The remaining bone at the planned implant site was = 6 mm in width; 4. The whole body is in good condition and can accept surgery; 5. Be willing to sign informed consent, have good medical compliance, and be able to return to the hospital regularly.
Exclusion criteria
Exclusion criteria: 1. Absolute contraindications for implant surgery or bone enhancement surgery; 2. Smoking ( > 10 cigarettes/day); 3. Pregnancy or lactation; 4. Uncontrollable systemic diseases (diabetes, hypertension, autoimmune diseases, etc.); 5. Undergoing radiotherapy or bisphosphate treatment for head and neck; 6. Allergic to materials that may be exposed during operation; 7. Periodontal disease, pulp disease or other oral diseases; 8. People with maxillary sinus disease; 9. Implant or bone increment surgery was performed at the surgical site before surgery; 10. Schneider membrane perforation during operation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| volume of postoperative sub-antral space;volume of sub-antral space after 6 months of healing;surface area of postoperative sub-antral space; | — |
Countries
China
Contacts
Public ContactZhang DongJiao
Stomatology Hospital, Shandong University
Outcome results
None listed