TY  - RPRT
TI  - Using ultrasonic scalers to remove fractured root posts.
AU  - K V Krell
AU  - R D Jordan
AU  - S Madison
AU  - S Aquilino
PY  - 1986
DO  - 10.1016/0022-3913(86)90071-5
UR  - https://pubmed.ncbi.nlm.nih.gov/3511240/
ID  - 3511240
ER  -