PICOS format | |
---|---|
Population | Patients with orthodontics |
Intervention | Comprehensive orthodontics; not local orthodontics |
Comparison | Before and after treatment |
Outcome | Root resorption evaluated as tooth/root length and volume assessed using radiographic imaging CBCT |
Null hypotheses | There is no difference in the incidence and severity of root resorption before and after comprehensive orthodontic treatment. |