Partial edentulism
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. For patients with dentition defect requiring implant repair, the alveolar bone in the missing tooth area is not high or wide enough (it is not possible to implant implants of conventional length and diameter), tent nail grafting or Onlay grafting should be performed to postpone implant. 2. No pathological manifestations such as acute inflammation in the whole dentition; 3. In good health, no serious systemic diseases, no history of using bisphosphonates, corticosteroids and other drugs; 4. No history of heavy smoking (<10 cigarettes/day); 5. Good compliance, have voluntarily signed the informed consent; 6. CBCTS that have been filmed and can be used for research.
Exclusion criteria
Exclusion criteria: 1. Patients with poor periodontal disease control; 2. History of radiotherapy or chemotherapy for head and neck tumors; 3. Women who are pregnant or preparing for pregnancy; 4. Patients with systemic diseases or related medications that may affect the results of the study; 5. Patients with severe bruxism, temporomandibular joint syndrome or other local or systemic contraindications; 6. CBCT data are missing at multiple time points or the measurement sites are ambiguous; 7. Heavy smokers (>=10 cigarettes/day); 8. Patients with severe teeth grinding or clenching habits.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Volumetric bone resorption rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Complication rate;Horizontal bone gain; | — |
Countries
China
Contacts
Affiliated Stomatological Hospital of Zhejiang University