MDS PREP
A patient wearing complete denture has difficulty in pronouncing "T". The reason may be
1. Too thick a palatal area
2. Incorrect position of upper incisor teeth
3. Too thick mandibular bone
4. Reduced salivary flow
Each clasp must be designed to encircle at least how much of the abutment tooth?
1. More than 1800
2. More than 900
3. 360°
4. 135°
Prosthodontics
Answer: 1
In complete denture teeth setting, to achieve a fully balanced occlusion
1) The posterior teeth should be 0 degree cuspal inclination
2) Cuspal inclination does not play a part
3) The most ideal is 33 degrees cuspal inclination
4) 45 degrees cuspal inclination is a must
Prosthodontics
Answer: 3
Which of the following methods of isolation is particularly useful in mandibular teeth before taking impressions
1) Rubber dam
2) High vaccum suction
3) Throat pads
4) Svedoptor
Prosthodontics
Answer: 4
While selecting a post and core system, preferably the post should be
1) Parallel
2) Tapered
3) Threaded
4) No threaded
Prosthodontics
Answer: 1
Flabby tissues found in the anterior region under the complete dentures results from
1) Absence of contacts in centric relation
2) Presence of the anterior contacts in centric relation
3) Protrusive contacts of the anterior tooth
4) Increased freeway space
Prosthodontics
Answer: 2
Centric relation is
1 repeatable and recordable
2 a habitual position
3 a tooth t3 tooth relation
4 all of the above
Prosthodontics
Answer: 1
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