TY - GEN AU - Jeng,H W AU - ElDeeb,M E TI - Removal of hard paste fillings from the root canal by ultrasonic instrumentation SN - 0099-2399 PY - 1987///0728 KW - Adult KW - Dental Pulp Cavity KW - Female KW - Humans KW - Male KW - Root Canal Filling Materials KW - Ultrasonic Therapy KW - instrumentation N1 - Publication Type: Case Reports; Journal Article UR - https://doi.org/10.1016/S0099-2399(87)80047-X ER -