A comparison of root surfaces following apical root resection with various burs: scanning electron microscopic evaluation.
Nedderman
T A
TA
Hartwell
G R
GR
Protell
F R
FR
D001047:Apicoectomy / Q000295:instrumentation*; D006801:Humans; D008855:Microscopy, Electron, Scanning; D014092:Tooth Root / Q000648:ultrastructure*