Insufficient natural bone volume and soft bone quality in the upper back teeth area
Conditions
Interventions
control group (absorbable collagen membrane):no
experiment group (CGF membrane group):no
Sponsors
Peking University Hospital of Stomatology
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1.Possessed relatively complete medical records; 2.Underwent cone-beam computed tomography (CBCT) scans preoperatively, immediately postoperatively, and at 6 months or longer postoperatively; 3.Completed implant restoration and attended at least one post-prosthetic follow-up visit.
Exclusion criteria
Exclusion criteria: 1. Procedures aborted due to unrepairable mucosal perforation during maxillary sinus floor elevation; 2. Autoimmune diseases or bone metabolic disorders; 3. Poorly controlled diabetes; 4. Infectious diseases of the maxillary sinus; 5. Smoking > 10 cigarettes per day or severe nocturnal bruxism; 6. Periodontitis not effectively controlled; 7. CBCT images with significant ghosting artifacts or insufficient clarity compromising measurement accuracy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| vertical bone resorption after maxillary sinus floor elevation; | — |
Secondary
| Measure | Time frame |
|---|---|
| Height of maxillary sinus floor lift; | — |
Countries
China
Contacts
Public ContactWen Yang
Peking University Hospital of Stomatology
Outcome results
None listed