COMPARISON OF 3 DIFFERENT ROTARY RETRETMENT FILE SYSYEM Non-surgical endodontic retreatment is an attempt to re-establish healthy periapical tissues after inefficient treatment or reinfection of an obturated root canal system because of coronal or apical leakage
Mtwo Retreatment File R Endo Retreatment File ProTaper D Retreatment File
Dentsply D1 size 30, 0.09 taper
D2 size 25, 0.08 taper
D3 size 20, 0.07 taper
VDW
R1 (size 25, 0.05 taper) R2 (size 15, 0.05 taper)
Micro-Mega Re (size 25, 0.12 taper) R1 (size 25, 0.08 taper) R2 (size 25, 0.06 taper) R3 (size 25, 0.04 taper)
GROUP I
Mtwo Re-
treatment
File
(VDW, Munich,
Germany)
GROUP II
Protaper D
(Dentsply
Maillefer, Bal-
laigues, Switzer-
land)
GROUP III
R Endo
(Micro-Mega,
Besancon,
France)
R Endo
Protaper D Mtwo