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Understanding Occlusal Rests in Removable Partial Dentures

This set of multiple-choice questions focuses on the dimensions, shapes, and functions of occlusal rests in removable partial dentures (RPD). Key topics include the size and shape of occlusal rests, the preference for incisal rests on specific teeth, and the roles of primary and auxiliary rests. By answering these questions, dental professionals can reinforce their knowledge about the mechanics and applications of occlusal rests, contributing to better patient care and successful prosthetic outcomes.

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Understanding Occlusal Rests in Removable Partial Dentures

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  1. MULTIPLE CHOICE QUESTIONS

  2. Q1) Dimensions of occlusal rest are. a) 1/3 rd of mesiodistal width and ½ of buccolingual width . b) 1/2 of mesiodistal width and 1/3 of buccolingual width c) 1/2 of mesiodistal width and ½ of buccolingual width d) none of above Ans. A

  3. Q2) shape of occlusal rest in distal extension r.p.d. a) Deeper and box shaped b) Shallow and saucer shaped c) a and b d) all of above Ans. b

  4. Q 3) Incisal rests are preffered on teeth? • Maxillary laterals • Mandibularanteriors • canines • Premolars Ans. b

  5. Q 4) which type of rest acts as indirect retainer. a) Primary rest b) Auxillary rest c) Both a and b d) All of the above Ans. b

  6. Q 5) Rests act as. a) Vertical stop for prosthesis b) Protects soft tissues from injury c) Dissipates lateral forces on abutment d) All of above Ans. d

  7. Q 6) Shape of rest for canine is a) Full moon shaped b) Half moon shaped c)Half pear shaped d) None of the above Ans. b

  8. Q7) Tooth not indicated for receiving any form of rest is • MOLARS • MANIBULAR CANINES • PREMOLARS • MAXILLARY LATERAL INCISORS Ans. d

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