An articulator is 1) Lab analouge of TMJ which simulates the jaw movements and the relations 2) Is a means for arranging the teeth in balanced occlusion 3) To be used for fixed partical denture construction only 4) Simulates only masticatory movements
ProsthodonticsAnswer: 1
If palatel seal is placed too deep, it may result in 1) Improper phonetics 2) Gagging sensation 3) Improper seating of the denture 4) Retention increases with depth
ProsthodonticsAnswer: 3
A patient who has a fixed bridge inserted three days back complains of sensitivity to cold and hot but not to sweets. The reason may be 1) Gingival recession 2) Deflective occlusal contacts 3) Improper seating of the bridge 4) All of the above
ProsthodonticsAnswer: 2
The pontic that should be used in the posterior mandibular area is described by the term 1) Marble contact 2) Modified saddle 3) Saddle 4) Sanitary
ProsthodonticsAnswer: 4
When teeth are properly set, the lower lip when pronouncing "F" as in word fifty 1) Should tightly contact with the upper lip 2) Should contact lightly with the incisal edges of the upper centrals 3) Should touch the palate posterior to the incisors 4) None of the above
ProsthodonticsAnswer: 2
Knoop hardness of the enamel is 1) 68 2) 110 3) 343 4) 450
ProsthodonticsAnswer: 3
A reverse 3/4th crown is indicated some times on lower molars 1) Because facial surface is more retentive than the lingual surface 2) Axial inclination of the tooth dictates more tooth reductio 3) Because reverse 3/4th is more aesthetic than a conventional 3/4th crown 4) Because it is easy to prepare
ProsthodonticsAnswer: 2
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