Proper articulation of the maxillary cast in articulator for occlusal analysis is done by 1) Relating upper cast to Camper"s line 2) Relating upper cast to interpupillary line 3) Relating upper cast to the axis opening and orbital plane 4) Relating upper cast to Frankfort horizontal plane
ProsthodonticsAnswer: 3
How much labial reduction is needed for a porcelain-fused-to-metal 1) 0.5-1 mm 2) 1-1.5 mm 3) 1.5-2 mm 4) 1.75-2 mm
ProsthodonticsAnswer: 3
The advantage of IO wax record over central bearing point device is 1. Equalisation of the pressures 2. No leverage effects 3. Less chair time 4. All of the above
ProsthodonticsAnswer: 4
Of the four factors affecting balanced occlusion in complete dentures, which of the following can be altered by only a slight amount because of wide limitations of esthetics and physiologic factors?
Overclosure of denture leads to 1) Anterior displacement of condyles 2) Posterior displacement of condyles 3) Posterior and inferior displacement of condyles 4) Posterior and superior displacement of the condyles
ProsthodonticsAnswer: 4
Articulators are classified into arbitrary positional and functional by 1) Beak 2) Posell 3) Boucher 4) Thomas
ProsthodonticsAnswer: 3
Porcelain denture teeth 1) Have a higher coefficient of thermal expansion than acrylic teeth 2) Have a lower abrasion resistance than enamel 3) Should be used where the interalveolar clearance is small 4) Have a higher abrasion resistance than gold
ProsthodonticsAnswer: 4
The preferred shape of the occlusal rest seat on the natural posterior teeth 1) Definite box shaped 2) Spoon or saucer shaped 3) Convex shaped 4) None of the above