3.
Instruments used for shaping: To shape the root canal laterally and apically. Eg : Reamers and Files
4.
Instruments used for obturating: To cement and pack gutta-percha into the root canal. Eg : Pluggers, spreaders, lentulospirals.
III. HARTY’S CLASSIFICATION : 1.
Instruments for use during access cavity preparations:
2.
a.
Basic instruments pack
b.
Burs
c.
Rubber dam
Instruments for use during root canal preparation: a.
Hand instruments
i.
Barbed broaches
ii.
Reamers
iii.
Files
-
K type
-
K flex
-
Flexofile
-
Flex R
iv.
Hedstrom
v.
S file
3.
Power assisted R C instruments: i.
Reciprocating hand pieces
ii.
Ultrasonic instrumentation
iii.
Sonic instrumentation
iv.
The SET canal finder system
4.
Electronic canal measuring devices
5.
Measuring instruments, gauges and stands
6.
Instruments for the retrieval of broken instruments and posts Masseran kit
7.
Instruments used in filling of root canal i.
Lateral and vertical compaction
ii.
Thermomechanical compaction
iii.
Thermoplasticized injectable gutta-percha
-
Obtura system
-
Ultrafil system
iv.
The endotec thermal endodontic condenser
v.
Spiral root canal fillers.