Occlusal Rest

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Occlusal rest direct the vertical load with long axis of the tooth Torque will result when the occlusal rest is placed on one side only of the occlusal surface There are three solutions to prevent this torque: 1. Extending the rest over the center of the mesio-destal fissure 2. Using 2 shorter rests, on mesial &distal surface of the tooth 3. Placing the rest on the tooth away from the saddle ??? To resist the rotatory movement
Cingulum Rest • Placed on palatal or lingual surfaces of anterior teeth • It is confined to upper anterior teeth • Canines are usually favorable than centrals • Placed in lower anterior teeth Incisal Rest
Page 2 and 3: Rest Any unit of a partial denture
Page 4 and 5: Definition Types Requirements Funct
Page 7 and 8: 1. 1.It must fit the tooth accurate
Page 9: Support of the saddle prevents dent
Page 13 and 14: 1) Partial denture Support 2) Corre
Page 15 and 16: 1. Support 2. Resist lateral moveme

Occlusal Rest

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