MDS PREP
A complete clasp assembly consists of a
1) Retentive arm and a reciprocal arm
2) Circumferential arm and a bar-type arm
3) Proximal place and retentive arm
4) Retentive arm, an occlusal rest, and reciprocating elements
Prosthodontics
Answer: 4
Interocclusal space is
1) Space between upper and lower teeth
2) Space between maxilla and mandible at rest
3) Space between the jaws when muscles that elevate and depress the mandible are minimum tonic contraction
4) None of the above
Prosthodontics
Answer: 3
The choice of retainer on anterior teeth with favourable clinical crowns
1) Metal full crown
2) Porcelain full crown
3) Porcelain-fused-to-metal crown
4) 3/4th crown
Prosthodontics
Answer: 4
Excessive occlusal wear in a young patient not consistent with the age indicates
1) Normal changes with age
2) He is consuming abrasive foods
3) He is having high masticatory efficiency
4) CO and CR are not coinciding
Prosthodontics
Answer: 4
An anterior FPD is contraindicated when
1) Abutment teeth are non-carious
2) An abutment tooth is inclined 15 degrees
3) There is considerable resorption of the residual ridge
4) Crown of abutment teeth are long
Prosthodontics
Answer: 3
The posterior palatel seal for a maxillary complete denture
1) Is placed immediately posterior to the vibrating line
2) Is placed immediately anterior to the vibrating line
3) Is not necessary if a metal base is made
4) Will vary in outline and depth according to the palatal form
Prosthodontics
Answer: 4
The upper denture falls when the patient opens his mouth wide. This is due to
1. Thick labial flange
2. Overextended borders
3. Thick distobuccal flange
4. Poor peripheral seal