Periapical disease
Conditions
Interventions
control group:Separate treatment of oral surgery
Sponsors
West China Hospital of Stomatology Sichuan University
Eligibility
Sex/Gender
All
Age
12 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Patients who failed in root canal therapy; 2. Failure cases that can not be re treated: broken instruments beyond the apical hole, steps near the apical area or side penetration can not clean the infection in the root canal, post crown repair has been carried out 3. Patients with retained teeth: (1) There was no obvious periodontal disease, or only mild periodontitis, no obvious loosening or only degree I loosening; (2) The remaining teeth were healthy and intact; (3) The affected teeth were not involved by jaw tumor, jaw fracture and other jaw diseases; 4. Patients with good general condition or systemic diseases but good control: Patients with hypertension whose blood pressure is controlled below 140 / 90mmHg; patients with diabetes whose blood sugar is 8.88mmol/dl; patients with history of myocardial infarction who have no new angina or myocardial infarction within half a year; patients with history of cerebral infarction who have no new cerebral infarction within half a year.
Exclusion criteria
Exclusion criteria: 1. Patients with poor or unreserved long-term prognosis of teeth: (1) The teeth had obvious periodontal disease. The alveolar bone of the teeth absorbed into the root 1 / 3 ~ 1 / 3 of the root tip on X-ray film, or the teeth had II ~ III degree loosening; (2) Patients with other hard tissue diseases such as deep caries, cleft or severe attrition may affect the prognosis; (3) The root of the affected tooth is involved by the jaw tumor or the affected tooth is located on the jaw fracture line; 2. Patients with systemic diseases that may endanger their lives; patients with uncontrolled hypertension, diabetes and other systemic diseases; patients with history of cerebral infarction, myocardial infarction and angina within half a year.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Size of periapical bone defect; | — |
Secondary
| Measure | Time frame |
|---|---|
| Patient symptoms; | — |
Countries
China
Contacts
Public ContactDingming Huang
West China Hospital of Stomatology Sichuan University
Outcome results
None listed