Impacted teeth in the maxilla
Conditions
Interventions
Freehand Group:Extraction using a powered system or ultrasonic bone scalpel under freehand operation
Navigation Group:Extraction using an ultrasonic bone scalpel guided by a dynamic navigation system
Sponsors
Peking University Hospital of Stomatology
Eligibility
Sex/Gender
All
Age
10 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1. Patients with impacted maxillary teeth; 2. Patients with permanent maxillary dentition; 3. Patients aged between 10 and 40 years; 4. Patients undergoing extraction surgery guided by a dynamic navigation system; 5. Patients with preoperative CBCT, preoperative design, and postoperative accuracy data.
Exclusion criteria
Exclusion criteria: 1. Systemic diseases that cannot tolerate routine outpatient tooth extraction surgery; 2. Local lesions in the surgical area, such as periapical lesions and cystic lesions, requiring simultaneous treatment of other lesions during tooth extraction; 3. Long-term use of drugs that affect bone regeneration, such as corticosteroids and bisphosphonates, or a history of head and neck radiotherapy; 4. Missing teeth or loose teeth around the affected tooth, making it impossible to place a retention device.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Window opening accuracy (RMS value); | — |
Secondary
| Measure | Time frame |
|---|---|
| Condition of adjacent teeth;Bleeding;Pain; | — |
Countries
China
Contacts
Public ContactNianhui Cui
Peking University Hospital of Stomatology
Outcome results
None listed