3. INTRODUCTION
• Instrument play a very important role in the success of a root canal
treatment therefore a basic knowledge of endodontic instrument is
essential.
• General guidelines exist for root canal preparation but each case presents
unique challenges – due to complex and canal anatomy
• A variety of instrument are thus available for this purpose
5. ACCORDINGTO GROSSMAN
DEBRIDMENT AND
EXTIRPATING INSTRUMENT
CLEANING AND SHAPING
INSTRUMENT
OBTURATING
INSTRUMENT
EXPLORING INSTRUMENT TO LOCATETHE CANAL ORIFICEAND DETERMINE
PATENCY OFTHE ROOT
TO EXTIPATE PULP AND REMOVEANY FOREIGN
DEBRIS
TO CLEAN AND SHAPETHE ROOT CANAL LATERALLY
AND APICALLY
TO CEMENT AND PACK GUTTA PERCHA INTOTHE
ROOT