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Basic Cutting Burs
9 basic cutting burs shapes
| Term | Definition |
|---|---|
| Round | Initial entry into tooth , remove decay, extends prep, retention Extra: used for both friction grip and latch type; sizes: 1/4, 1/2, 1-8, 10 |
| Inverted cone | Removes decay, establishes retention grooves, and makes undercuts Extra: 33 1/2, 34-39, 36L, 37L |
| Straight fissure plain cut | Initial entry into tooth, helps form cavity walls of prep Extra: 56-60, 57L, 58L |
| Straight fissure cross cut | Forms cavity walls of prep Extra: 556-560, 567L, 568L |
| Tapered fissure plain cut | Helps in providing angles to the walls of the prepared tooth Extra: 169-172, 169L, 170L, 171L |
| Tapered fissure cross cut | Helps in providing angles to the walls of the prepared tooth Extra: 699-703, 699L, 700L, 701L |
| Pear | Initial entry into tooth and extends cavity prep Extra: 330-333, 331L |
| End cutting | Initial entry into tooth and forms shoulder of crown preps margin Extra: 957, 958 |
| Wheel | Forms retention in prep Extra: 14 |