apical surgery
Dental Procedures
estimated about CNY 4500-10000
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Description
A surgical procedure to remove the apex of a tooth root and associated infected tissue, typically performed after failed nonsurgical root canal treatment.
Main Uses
Microsurgical apical surgery is primarily used to treat persistent apical periodontitis after nonsurgical root canal treatment has failed; manage complex anatomical cases (e.g., calcified canals, separated instruments, apical fractures); address apical cysts or granulomas refractory to conventional therapy; perform intentional replantation or root-end resection in select trauma cases; and obtain biopsy specimens for definitive diagnosis of periapical lesions.
Normal Range
Microsurgical apical surgery is a surgical procedure, not a laboratory test with numerical values; therefore, there is no 'normal range' of quantitative indicators. Success is assessed qualitatively via clinical and radiographic criteria: absence of symptoms (e.g., pain, swelling), complete resolution of periapical radiolucency on follow-up radiographs (typically at 6–12 months), intact apical seal, and healthy periapical tissues histologically.
Low Values - Possible Causes
N/A — This is not a quantitative diagnostic test; 'low values' do not apply. Clinical failure (e.g., persistent infection, unresolved symptoms) may result from inadequate root-end resection, incomplete retrofilling, undetected accessory canals, poor surgical access, or systemic factors like uncontrolled diabetes or immunosuppression.
High Values - Possible Causes
N/A — This is not a quantitative diagnostic test; 'high values' do not apply. Apparent 'failure' (e.g., persistent radiolucency or symptoms) may stem from technical errors (e.g., over-resection, insufficient retrofill depth), missed anatomy (e.g., isthmus, lateral canals), cystic lesions, foreign body reactions, or preoperative misdiagnosis (e.g., non-endodontic origin like cyst or tumor).
estimated about CNY 4500-10000