MDS PREP
The retromolar pad contains all of the following, except fibres of the
1 superior constrictor muscle
2 buccinator muscle
3 temporal tendon
4 rnasseter muscle
Prosthodontics
Answer: 4
Explanation: The retromolar pad is an important anatomical
landmark in denture fabrication and contains fibers from the superior
constrictor muscle, buccinator muscle, and temporal tendon. However, it does not
contain fibers from the masseter muscle, which is located more anteriorly and
plays a different role in mastication.
Examination of patient revealed hyperplastic tuberosity touching the retromolar pad in mandibular rest position. You would like
1. Deepen the retromolar pad before construction of the CD
2. Reduce the tuberosity before constructing complete dentures
3. Both of the above
4. None of the above
Prosthodontics
Answer: 2
Examination of the patient revealed hyperplastic tuberosity touching the retromolar pad in the mandibular rest position. You would like to reduce the tuberosity before constructing complete dentures.
The stability of the mandibular complete denture is enhanced
1. When the level of the occlusal plane is above the dorsum of the tongue
2. When the tongue rests on the occlusal surfaces of lowers at rest
3. When the lateral borders are extended below the external oblique ridge
4. All of the above
Prosthodontics
Answer: 2
The stability of the mandibular complete denture is enhanced when the level of the occlusal plane is above the dorsum of the tongue.
Lateral throat form occupied by retromylohoid flange in lower denture
1. Has nothing to do with the denture
2. Should be large, one-half inch
3. Should be small, less than half inch
4. Should be larger, more than 2 inches
Prosthodontics
Answer: 2
Lateral throat form occupied by retromylohyoid flange in lower denture should be large, one-half inch.
An acrylic substitute for the loss of soft tissue in soft palate is called
1) Obturator
2) Artificial velum
3) Mould
4) Model
Prosthodontics
Answer: 2
An artificial velum is a prosthetic device used to replace lost soft tissue in the soft palate, which is crucial for functions such as speech and swallowing. It helps in closing the gap between the oral cavity and the nasal cavity, thereby improving the function of the palate.
When patient closes in centric occlusion if lower jaw is placed anteriorly in relation to upper jaw, it is called as
1. Normal occlusion
2. Centric occlusion
3. Pre normal occlusion
4. Centric relation
Prosthodontics
Answer: 3
When a patient closes in centric occlusion, if the lower jaw is placed anteriorly in relation to the upper jaw, it is called pre-normal occlusion.
Finish lines of a complete coverage crown should be
1) Supragingivally
2) Subgingivally
3) Subgingivally if required
4) Gingival margin
Prosthodontics
Answer: 3
The finish line of a crown preparation can be placed supragingivally or subgingivally depending on the clinical situation. Subgingival finish lines may be necessary to achieve proper aesthetics, especially in cases where the margin needs to be hidden beneath the gingival tissue. However, it is important to avoid placing the finish line too far subgingivally, as this can complicate oral hygiene and lead to periodontal issues.
In primary impression the stock tray should be................mm larger than ridge
1. 2
2. 4
3. 6
4. 8
Prosthodontics
Answer: 3
In primary impression, the stock tray should be 6 mm larger than the ridge.