Pulpal and Periapical Disease
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Adult patients without major systemic diseases who can cooperate with treatment operation and long-term follow-up observation after surgery should receive preoperative X-ray and CBCT examination; (2) Diagnosis of calcified root canal with pulpitis or periapical inflammation (periapical low-density range<=8mmf); (3) Indirect crown prosthesis with pulpitis or periapical inflammation (periapical low-density shadowrange<=8mmf), no history of root canal treatment; (4) Patients with indirect crown prosthesis and/or fibrous post-core prosthesis with periapical inflammation (periapical low-density shadow range <=8mmf) and a history of root canal therapy;
Exclusion criteria
Exclusion criteria: (1) Patients suffering from systemic diseases, allergic to local anesthesia drugs or multiple drugs, and other absolute contraindications to treatment; (2) patients during pregnancy; (3) Patients with malignant tumors, patients who have taken or injected bisphosphonates; (4) To treat patients with extreme fear and psychological disorders, who are difficult to understand and cooperate with the completion of treatment; (5) The affected tooth had a loosening degree greater than I°, or the combined periodontal pulp lesions; (6) Instrument separation or root fracture or root split exists in the affected tooth; (7) The root canal of the affected tooth was not fully developed, and apical foramen were open or destroyed; (8) The indirect restoration of the affected tooth crown is damaged, suspended, loose, etc., which cannot be retained and used; (9) The affected tooth was repaired with metal post core; (10) The orbicularis oris muscle is overstrained and the opening degree of the mouth is less than the three transverse fingers, so the therapeutic instruments cannot be operated accurately in the mouth.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| success rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| operation time;distance deviation;angle deviation;dentin substance loss;patient satisfaction (VAS scale);restoration retention rate; | — |
Countries
China
Contacts
The First Medical Center, Chinese PLA General Hospital