MDS PREP
Which of the following is likely to occur if the VDO is increased in a cornplete denture patient?
1. Loss of lip fullness
2. Decreased nose-chin distance
3. Clicking of teeth
4. Loss of tone of facial tissues
Prosthodontics
Answer: 3
Which of the following is likely to occur if the VDO is increased in a complete denture patient: clicking of teeth.
The lingual extension of a lower denture is limited by all of the following except
1. Modiolus
2. Mylohyoid muscle
3. Origin of genioglossus
4. Sublingual salivary glands
The lingual extension of a lower denture is limited by the action of modiolus.
Which of the following is painless
1. Vit-C deficiency gingivitis
2. Desquamative gingivitis
3. Pregnancy tumour
4. Gingival abscess
Prosthodontics
Answer: 3
Which of the following is painless: pregnancy tumour.
The following property of saliva affects denture retention
1. Quality and quantity of serous and mucus saliva
2. Quantity of mixed saliva
3. Quantity of only serous saliva
4. Both A and C
The property of saliva that affects denture retention is both quality and quantity of serous and mucus saliva.
The patient’s manipulative skills in handling complete dentures are best with
1 immediate dentures
2. interim dentures
3. overdentures
4. conventional complete dentures
Prosthodontics
Answer: 3
The patient’s manipulative skills in handling complete dentures are best with overdentures.
According to Monson’s spheric theory of occlusion, each cusp and incisal edge
conforms to a segment of the sphere, 8 inches in diameter, with its center at
the
1. sella
2. lambda
3. glabella
4. bregma
Prosthodontics
Answer: 3
Explanation: Monson's spheric theory of occlusion suggests that all cusps and
incisal edges of the teeth should conform to a sphere with an 8-inch diameter,
with the center of the sphere at the glabella, which is the most anterior and
superior point on the midline of the frontal bone of the skull. This concept is
used to achieve balanced occlusion in complete dentures.
Centric jaw relation is made
1. At established vertical dimension
2. Before the vertical dimension is established
3. At a greater level than established vertical dimension
4. No relative to the vertical dimension
Prosthodontics
Answer: 1
Centric jaw relation is made at established vertical dimension.
The main purpose of boxing an impression is
1. To serve as a base for cast poured
2. To preserve the border width after border moulding
3. To prevent distortion of the impression
4. All of the above
Prosthodontics
Answer: 2
The main purpose of boxing an impression is to preserve the border width after border molding.