Burs

Question 1

Round

Answer 1

Remove cavity, open teeth for endodontic treatment, create retention in cavity prep, used for many procedures

Question 2

Inverted cone

Answer 2

remove cavity, establish retention in tooth cavity prep

Question 3

Straight fissure plain cut

Answer 3

cut cavity prep, form inner walls of cavity prep, create retention grooves in walls of cavity prep

Question 4

Straight fissure cross cut

Answer 4

cut cavity prep, form walls of cavity prep, create retention grooves in walls of cavity prep

Question 5

Tapered fissure plain cut

Answer 5

cut cavity prep, form angles in walls of cavity prep, place retention grooves in walls of cavity prep

Question 6

Tapered fissure cross cut

Answer 6

cut cavity prep, form angles in walls of cavity prep, create retention grooves in walls of cavity prep

Question 7

Pear

Answer 7

open tooth for a restoration, removes caries

Question 8

end cutting

Answer 8

to cut through bone or remove bone

Question 9

diamond round

Answer 9

grind away tooth tissue and cut through porcelain, removal of large amounts of tooth decay, cavity preparation, excavating and creating access points and channels for blades

Question 10

diamond flat end taper

Answer 10

reduce tooth for crown prep when square shoulder is needed

Question 11

diamond flame

Answer 11

reduce tooth for crown prep for subgingival margins

Question 12

diamond wheel

Answer 12

reduce tooth for crown prep on lingual aspect of anterior teeth, reduce bulk of incisal edges

Question 13

Lab acrylic

Answer 13

cut models or trim acrylic in lab

Question 14

Mandrel

Answer 14

finishing and polishing inside or outside oral cavity

Question 15

Discs

Answer 15

contour restorations, polish restorative mats

Question 16

finishing

Answer 16

finish composite restoration, finish restoration by restoring anatomy in tooth, equilibrate or adjust occlusion