TY - GEN AU - Marais,J T TI - Failure of apicoectomy surgery and successful endodontic retreatment SN - 0011-8516 PY - 1998///0609 KW - Apicoectomy KW - Humans KW - Radiography KW - Reoperation KW - Root Canal Preparation KW - standards KW - Root Canal Therapy KW - Tooth Root KW - diagnostic imaging KW - Treatment Failure N1 - Publication Type: Case Reports; Journal Article ER -