[Experimental study of the effectiveness of electric polishing for the removal of a broken instrument from the root canal].
Nishikawa
H
H
Koike
S
S
Sagiya
T
T
Saito
Y
Y
Katayama
I
I
D003775:Dental Polishing / Q000379:methods; D003786:Dental Pulp Cavity; D004563:Electrochemistry; D004868:Equipment Failure; D006801:Humans; D012390:Root Canal Therapy / Q000009:adverse effects / Q000295:instrumentation*