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23 terms

Different Kinds of Burs

STUDY
PLAY
plain-cut tapered fissure
To cut cavity preparation
To form angles in walls of cavity preparation
To place retention grooves in walls of cavity preparation
size 168-171
acrylic bur
Laboratory bur used to cut models or trim acrylic in laboratory.
sandpaper discs
used for polishing and finishing
carborundum discs
known as a separating disc or a Joe Dandy used to cut metal or gold
mandrels
screw type and snap on used to hold discs and rubber wheels for smooth polishing
pear bur
To open tooth for a restoration
To remove caries
size 330-333
inverted cone bur
To remove caries
To establish retention in tooth for cavity preparation
size 33 1/2 - 39
round bur
To remove caries from tooth structure
To open tooth for endodontic treatment
To place retention in cavity preparation
size1/4-10
cross-cut tapered fissure
To cut cavity preparation
To form angles in walls of cavity preparation
size 699-703
plain-cut straight fissure
To cut cavity preparation
To form inner walls of cavity preparation
To place retention grooves in walls of cavity preparation
size 56-58
cross-cut straight fissure
To cut cavity preparation
To form walls of cavity preparation
To place retention grooves in walls of cavity preparation
size 556-558
finishing bur
To finish composite restoration
To finish restoration by restoring anatomy in tooth
To equilibrate or adjust occlusion
Variety of shapes and sizes
flat-end taper diamond bur
To reduce a tooth for crown preparation when a square shoulder is needed
flat-end cylinder diamond bur
To reduce a tooth for crown preparation when parallel walls and flat floors are needed
flame diamond bur
To reduce a tooth for crown preparation for subgingival margins
wheel diamond bur
To reduce a tooth for crown preparation on lingual aspect of anterior teeth and to reduce bulk of incisal edges
rubber points
Brown points or brownies - Abrasive
Green points or greenies- Less abrasive than brownies
White points- Polishing point
diamond disc laboratory bur
To contour or cut models in the laboratory
white stone or a finishing diamond.
Reduction of the composite resin material is completed by the use of a ________________.
carbide finishing burs, then with diamond burs.
Fine finishing of a composite resin material is performed with _________.
medium disks and finishes with superfine disks.
Polishing the resin begins with _________.
Finishing strips
Assist in polishing of the interproximal surfaces.
polishing paste applied to a rubber cup
Completes the steps in finishing a composite resin.