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20 Cards in this Set
- Front
- Back
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Encircles all of the tooth from its point of origin |
Ring clasp |
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Used when proximal undercut cannot be approached by other means |
Ring clasp |
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Should be used on protected abutments |
Ring clasp |
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Esthetics needs not to be considered while its usage Should never be used as unsupported ring, should be used in strur on the non retentive side |
Ring clasp |
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Essentially two circumferential clasps joined together at the body |
Embrasure clasp |
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Used in kennedys class II and class III when no edentulous spaces available in the opposite side |
Embrasure clasp |
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Sufficient space must be provided to make room for the common body of the embrasure clasp |
Embrasure |
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Contacts should not be eliminated entirely Should be used with double occlusal rest Avoid wedging, should have two retentive and two reciprocal arms |
Embrasure |
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A modification of ring clasp with no apparent advantages |
Back action clasp |
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Use is difficult to justify An occlusal rest always should be attached to some rigid minor connector and should bever be supported by a clasp arm alone |
Back action clasp |
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If occlusal rest is part of the flexible assembly it cannot function adequately as an occlusal rest |
Back action clasp |
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Simply consist of two opposing circumferential clasp joined at the terminal end of two reciprocal arms |
Multiple clasp |
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It is used when additional retention and stabilization are needed |
Multiple clasp |
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Consist of circumferential retentive arm arising from one direction and reciprocal arm rising from another |
Half and half |
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Used with or without an auxiliary occlusal rest |
Half and half |
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Originally designed to provide dual retention for unilateral partial denture design |
Half and half |
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Design to allow a proximal undercut to be engaged from an occlusal approach |
Reverse action/ hairpin |
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May be used on abutments of tooth supported dentires when the proximal undercut lies below the point of origin of the clasp |
Reverse action/ hair pin |
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It may be esthetically ibjectionable and covers considerable tooth surface |
Reverse action/hair pin |
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It should be used only when a bar type retentive arm is contraindicated bec of a tissue undercut, a tilted tooth, or a shallow vestibule |
Reverse action/hair pin |
