chronic periapical periodontitis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients aged between 18-60 years with no sex predilection. 2. The tooth was diagnosed as chronic periapical periodontitis with an indication for endodontic surgery. 3. Single-rooted incisors, canines and lesion involving a single buccal premolars or molars. 4. CBCT measured the maximum diameter of periapical lesions <10mm. 5. No bone defect on the buccal side or the maximum diameter of bone defect on the buccal side <3mm. 6. Patient consent was obtained.
Exclusion criteria
Exclusion criteria: 1. General contraindications for apical microsurgery; 2. Having uncontrolled diabetes and other systemic diseases; 3. Teeth that cannot be restored due to crown defects and are expected to be non-salvageable; 4. Uncontrolled periodontal disease; 5. Pregnant or lactating women 6. The lesion site is closely related to important anatomical structures (inferior alveolar neural tube, mental foramen, maxillary sinus, etc.). 7. Other oral diseases causing pain; 8. Unwilling to participate in clinical trials or unable to follow up on time. 9. Other situations deemed unsuitable for participation by the researcher.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Clinical outcome(Success,Failure);Radiographic outcome (Complete healing,Incomplete healing,Uncertain healing,Unsatisfactory healing);VAS Pain score; | — |
Secondary
| Measure | Time frame |
|---|---|
| VRS Swelling indices;Deviation of root end preparation; | — |
Countries
China
Contacts
Beijing Stomatological Hospital, Capital Medical University