partial edentulism
Conditions
Interventions
Group 1:one-window group(control group):Preparation of one bony windows through the lateral approach
Group 2: two-window group(test group):Preparation of two bony windows through the lateral approach
Sponsors
Pecking University Hospital Of Stomatology
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. More than 2 missing teeth in the maxillary posterior region; 2. Aged 18 years and more; 3. Adequate residual bone height of 2-4mm under the maxillary sinus; 4. TBuccolingual bone width of at least 6.5mm.
Exclusion criteria
Exclusion criteria: 1. General contraindication for implant surgery; 2. Severe hemophilia; 3. History of irradiation in the head and neck region less than 1 year before the study; 4. Poor oral hygiene; 5. Uncontrolled diabetes; 6. Pregnancy; 7. HIV infection; 8. Smoking more than 10 cigarettes per day or chewing of areca; 9. Acute infeciont in area intended for implant placement; 10. Local inflammation, including untreated periodontitis; 11. Severe bruxism or clenching habits.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Proportions of votal bone; | — |
Secondary
| Measure | Time frame |
|---|---|
| implant failure;bone level;endo-sinus bone level;biological complications; | — |
Countries
China
Contacts
Public ContactYu Huajie
Pecking University Hospital Of Stomatology
Outcome results
None listed