Tangent preparation: preparation with a run that mostly parallel, slightly tapered against the axis) |
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Step preparation:
Preparation with cervical step (laying on the neck of the tooth)
- shoulder (straight and tapered forms) forms:
- Cylinder (836, 837, 846)
- Flat end taper (847, 848)
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- modified shoulder (straight and tapered forms) forms:
- Cylinder (836KR, 837KR)
- taper, modified shoulder (846KR, 847KR, 850KR)
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Valley preparation: Preparation of a tooth with cervical shaped rim.
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- beveled cylinder, straight forms (836KR, 837KR, 847KR)
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- beveled cylinder, tapered forms: (878K, 879K)
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- tapered, round forms: (855, 856, 856L, 850)
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