Insturments Flashcards
How do we remove unsupported enamel?
with thin rotary instrument of hand instrument
What bur do we use for class II composite preparation?
small round or elongated pear bur or diamond
Which bur do we use for pinhole insertion?
¼ round bur or a pear shaped, held perpendicular to the pin
What bur do we use for class I composite preparation?
small round
or
elongated pear bur (for 90 degree cavosurface margins)
What bur do we use for retention grooves?
small round bur
What bur do we use for retention grooves on class V composite preparation?
small round bur
How to remove Hard Dentin?
a bur
or
a sharp cutting instrument
How is Soft Dentin excavated?
with hand and rotary instrumentation
Can we remove Firm Dentin with hand excavation?
resistant to hand excavation
How is Leathery Dentin excavated?
hand instruments without much pressure
How do you enter a class I, OL preparation?
cross cut fissure or small round or inverted cone bur
Which # of bur to use for class I?
245
Which # of bur to use for class II?
245
What tool do we use to break enamel to expose the proximal box?
spoon excavator
What do we use to remove remaining proximal enamel after exposing box?
exam**
Hand instruments
Small dimension burs
End cutting burs
What burs for occlusal punch cut?
Inverted cone
cross cut fissure
round
You would use a dental explorer to:
a. Examine for root caries.
b. Check a prepared tooth for smoothness and
retention grooves and points.
c. Check for pit and fissure caries.
d. Check for smooth surface caries.
a. Examine for root caries
b. Check a prepared tooth for smoothness and
retention grooves and points
d. Check for smooth surface caries
How do you assess dentin hardness?
a. With the use of a dental explorer.
b. With the use of a spoon excavator.
c. With a bur on a low speed handpiece.
d. With a bur on a high speed handpiece.
a. With the use of a dental explorer
b. With the use of a spoon excavator
What do we use for AMG carving?
- small discoid cleoid
- 1/2 holllenback carver
- small spoon excavator
What do we use for AMG precarve burnishing?
burnisher w/ heavy strokes
What do we use for AMG condensation?
amaglam condensing instruments: condensers or pluggers
What do we use for AMG postcarve burnishing?
w/ burnisher: PK3 or thomas or acorn burnisher
What do we use for finishing?
finishing burs and finishing discs
