MDS PREP
All of the following combinations can be used for restoring the missing teeth except
1) Porcelian opposing porcelian
2) Acrylic opposing acrylic
3) Porcelian teeth opposing teeth with gold covering
4) Porcelain versus acrylic teeth
Prosthodontics
Answer: 4
For a tooth supported RPD, normally / the mandibular major connector of choice is the
1. swing bar
2. lingual bar
3. lingual plate
4. cingulum bar
Prosthodontics
Answer: 2
The following is the prime consideration in designing bilateral lower distal extension RPD
1) Load distribution
2) Aesthetics
3) Clasp design
4) Use of anatomic teeth
Prosthodontics
Answer: 1
The clasps for partial denture should be made of
1) Gold
2) Iridioplatinum
3) Platinum
4) Silver
Prosthodontics
Answer: 1
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
Prosthodontics
Answer: 4
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
Prosthodontics
Answer: 4
The precision attachment under masticatory stresses against the partial denture
1) Directs all stresses parallel to the long axis of the tooth
2) Directs and engages all fibres of the peridental ligaments
3) Lacks allowance for sufficient tooth movement
4) Tends to torque the tooth
Prosthodontics
Answer: 2
Maxillary denture may look unaesthetic if anterior teeth are placed
1. Directly on the ridge
2. Labial to the ridge
3. 2 mm below the low lip line
4. All of the above