Surgical endodontics.
D001047:Apicoectomy / Q000379:methods; D003475:Curettage; D004322:Drainage; D006801:Humans; D010483:Periapical Diseases / Q000601:surgery*; D012184:Retrograde Obturation; D012390:Root Canal Therapy / Q000009:adverse effects / Q000379:methods*; D013524:Surgical Flaps; D014092:Tooth Root / Q000601:surgery