maxillary posterior tooth loss
Conditions
Interventions
Control group:Simultaneous bone grafting and simultaneous implantation
Experimental group:Delayecl implant after bone graft
Sponsors
zhongshan hospital,fudan university
Eligibility
Sex/Gender
All
Age
20 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1 20-70 years old, regardless of gender ; 2 Extraction of maxillary first molar or maxillary first molar loss requires implant treatment ; 3 can adhere to the study of related treatment and timely routine follow-up ; 4 healthy or well-controlled systemic diseases ; 5 voluntarily signed informed consent.
Exclusion criteria
Exclusion criteria: 1 The surgical site had received bone graft ; 2 patients with severe underlying diseases such as heart disease or coagulation dysfunction in the last six months ; 3 history of facial radiotherapy ; 4 mental disorders without behavioral autonomy ; smoking more than 10 cigarettes / day ; 6 oral health can not be maintained ; 7 active infectious lesions, metabolic bone disease activity ; 8 pregnant women or lactating women ; 9 refused to sign the informed consent
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| bone contact ratio; | — |
Secondary
| Measure | Time frame |
|---|---|
| alveolar bone height;alveolar bone width;alveolar bone thickness; | — |
Countries
China
Contacts
Public ContactYu Youcheng
zhongshan hospital,fudan university
Outcome results
None listed