MCQ

1

• MCQs

2

• Q.1 Which muscle has no influence on neutral
  zone
• A) masseter
• B) buccinators
• C) orbicularis oris
• D) quadratus labii superioris

3

• Q.2 Sir Wilfred Fish, described a denture as
  having how many surfaces?
• A) one
• B) two
• C) three
• D) four

4

• Q.3 The development and contour of the polished
  surface area becomes more critical when
• A) surface area of the impression surface
  increases and polished surface area decreases
• B) surface area of the impression surface
  decreases and polished surface area increases
• C) both increases
• D) both decreases

5

• Q.4 In the molar area, Dr. Fish described the
  cross section of stable dentures to be in which
  shape?
• A) oval
• B) trapezoidal
• C) triangular
• D) rhomboidal

6

• Q.5 In the natural dentition, arch integrity and
  tooth position are maintained when the forces
  generated by the musculature are
• A) positive
• B) neutral
• C) negative
• D) high positive

7

• Q.6 If the dentures are triangular but not
  properly located within the neutral zone, then
• A) the lateral force will be equal and provide
  the equilibrium necessary for a stable denture
• B) the lateral force will be unequal and provide
  the equilibrium necessary for a stable denture
• C) the lateral force will be unequal and not
  provide the equilibrium necessary for a stable
  denture
• D) the lateral force will be equal and not
  provide the equilibrium necessary for a stable
  denture

8

• Q.7 Factor that do not influence the border
  extensions of the dentures
• A) attachment of muscle
• B) tonus
• C) muscle position
• D) ligaments

9

• Q.8 Which of the following is/are the muscle of
  the lips
• A) orbicularis oris
• B) zygomaticus major
• C) risorius
• D) all of the above

10

• Q.9 Teeth are guided into the neutral zone during
  which phase of development
• A) childhood
• B) adult
• C) puberty
• D) in natural dentition, teeth are not guided
  into neutral zone

11

• Q.10 The modiolus is a chiasma of how many facial
  muscles?
• A) 4
• B) 6
• C) 8
• D) 10

12
ANSWERS

• 1- A
• 2- C
• 3- B
• 4- C
• 5- B
• 6- C
• 7- D
• 8- D
• 9- A
• 10- C