Alveolar ridge atrophy leads to lack of bone height
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. The patient was over 18 years old, and the chief complaint was maxillary posterior tooth loss; 2. Panoramic radiographs or CBCT scans (within 12 months) show < 5 mm residual bone height; 3. The maxillary sinus opening was unobstructed, the sinus floor was flat, the mucosa was not significantly thickened, and there were no cysts in the sinus cavity; 4. There is no acute or chronic inflammation of adjacent teeth such as periapical periodontitis, and the periodontal condition of the whole mouth is good; 5. Patients can tolerate external maxillary sinus lift and implant implantation; 6. The patient has the willingness to treat and can actively cooperate with treatment.
Exclusion criteria
Exclusion criteria: 1. Untreated or untreated periodontal disease or other oral diseases; 2. Patients with severe cardiovascular disease; 3. Poorly controlled diabetes mellitus; 4. Uncontrolled hypertension and other systemic diseases; 5. Patients with heavy smoking; 6. Bruxism; 7. Pregnancy or lactation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| residual bone height;sinus floor elevation height;Incidence of maxillary sinus mucosal perforation; | — |
Secondary
| Measure | Time frame |
|---|---|
| Implant survival rate; | — |
Countries
China
Contacts
Stomatological Hospital of Chongqing Medical