Different Kinds of Burs

23 terms by RDASophia 

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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.

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