The clinical name for Apical Resection. It involves the surgical excision of the apical portion of the tooth root and the attached periapical tissue (cyst or granuloma).
It allows you to keep a crowned tooth that would otherwise need to be pulled. It prevents the need for an implant or bridge.
Typically 30 to 90 minutes depending on the tooth location (front teeth are faster).
Not usually; the existing crown stays in place during the surgery.