When there is more than 0.3 mm gap between the finished casting and the tooth preparation, the fit of the casting can be achieved by 1) Burnishing the margins of the casting 2) Reducing the tooth preparation 3) Heating the inner surface of the casting 4) Best way is to discard the casting
ProsthodonticsAnswer: 4
Mandible can be made into retruded position for recording the centric relation by 1) Protrude and retrude mandible alternately 2) Repeating the word "M" and relaxing 3) Making the tongue touch the posterior palate 4) All of the above
ProsthodonticsAnswer: 4
Which of the following provides the greatest retention for an onlay?
1. The proximal contacts
2. The intracoronal portion
3. The cementing medium
4. The mesial cusp slopes
ProsthodonticsAnswer: 3
To allow space for the dentures, most tuberosity reduction require 1) Only soft fibrous tissue removal 2) Large part of the bone to be removed 3) Removal of bone always 4) Reduction of bone always on both sides
ProsthodonticsAnswer: 1
As compared to relining, in rebasing of a denture a change is effected in 1) Centric occlusion 2) Centric relation 3) Entire denture base 4) Tissue surface
ProsthodonticsAnswer: 3
Rough, poorly polished areas of pontics may cause 1) Halitosis 2) Discomfort 3) Chronic inflammation of the ridge tissue 4) All of the above
ProsthodonticsAnswer: 4
The main disadvantage of acrylic as related to complete dentures 1) Lack of aesthetics 2) Porosity 3) Shrinkage 4) Weightlessness
ProsthodonticsAnswer: 3
In adjusting occlusion for complete denture patient, the two end factors controlling the protrusive movementss are 1. Curve of Spee and cuspal heights 2. Incisal guidance and condylar guidance 3. Curve of Spee and condylar guidance 4. Cuspal heights and incisal guidance