Miscellaneous MCQs _ Complete Denture MCQs

Miscellaneous MCQs _ Complete Denture MCQs

1. All of the following statements about denture stomatitis are true EXCEPT
a) It is usually not associated with a sore mouth
b) It is usually associated with wearing a denture at night
c) It is more common in diabetics
d) It is more common in men

2. In a denture wearing patient, there is
a) No bone resorption
b) Bone formation
c) Independent of denture, there is bone resorption
d) Initial bone resorption followed by bone formation

3. Which of the following is the best denture patient
a) skeptical
b) philosophical
c) critical
d) indifferent

4. Punched out lesions on the alveolar ridge is due to:
a) acrylic nodules on tissue facing surface of denture
b) disturbed occlusion
c) overextended borders of denture
d) narrow occlusal table

5. Burning sensation in anterior palate of a patient wearing new complete denture may be due to
a) overextension in the labial sulcus area
b) occlusal discrepancies
c) inadequate relief of incisive papilla
d) rough palatal surface

6. Fleeting painful sores are caused by
a) overextended denture boarders
b) occluding face height being too great
c) malocclusion
d) none of the above

7. Uncontrolled diabetes possess a problem to prosthodontist as:
a) more bone resorption
b) increased salivary flow
c) less bone resorption
d) less tissue laxity

8. House classification is based on
a) Mental attitude of patient
b) Type of alveolar ridge
c) Maxilla and mandible relation
d) None of above

9. The direction of resorption of the maxillary ridge is
a) downwards and buccally
b) upwards and lingually
c) downwards and lingually
d) upwards and buccally

10. If dentures are cleaned in boiling water they:
a) Become sticky
b) Warp
c) Melt
d) Galvanize

11. The normal biting force in natural dentition and complete denture is
a) 200 N and 600 N
b) 9000 N and 7000 N
c) 100 N and 30 N
d) 600 N and 110 N

12. A patient complains of generalized soreness over the entire mandibular ridge. This is probably due to:
a) Occlusal imbalance
b) Excessive vertical dimension
c) Over-extended borders
d) Under-extended borders

13. Oral examination of an edentulous patient should include digital palpation. Why?
a) The arch form is more accurately evaluated
b) Undercut areas may be better evaluated
c) The ridge relationship may be better evaluated
d) None of the above

14. Numbness and tingling sensation felt in the anterior one third of the tongue can be due to:
a) Over extended lingual borders
b) Sharp and rough lingual borders
c) Allergy to residual monomer of acrylic
d) Excessive vertical dimension

15. A patient complains of looseness of dentures within two to four hours of insertion. The most likely cause is:
a) Psychological
b) Adaptive-unresponsiveness
c) Deflective occlusion
d) Unretentive denture

16. Indication of excess pressure on basal seats by denture bases may be best
a) By the patient’s comment
b) By the correct use of pressure indicator paste
c) By indelible pencil markings
d) By using occlusion wax

17. A patient who has recently received a pair of complete denture complains of difficulty in swallowing. The reason for this is most likely to be:
a) Excessive vertical dimension of occlusion with resulting decrease in interocclusal distance
b) Interocclusal distance of more than normal
c) Alveolar ridge with bony spicules
d) Candida albicans colonizing the mouth causing patient discomfort

18. Overload of denture base is caused by:
a) Small bases
b) Too large bases
c) Small teeth
d) Large teeth

19. A completed denture patient complains that he has pain in his throat during swallowing. This indicates:
a) Over extended PPS
b) Over extended lingual flange
c) Over extended lingual flange in retromylohyoid region
d) His tonsils are inflammed

20. All are consequences of edentulism except:
a) Prognathic appearance
b) Thinning of lips
c) Decreased length of lip
d) Increase in columella philtrum angle

21. Number of swallowings per day
a) 300
b) 400
c) 1500
d) 600

22. Which of the following areas of the oral cavity are affected by inflammatory papillary hyperplasia?
a) Lips
b) Tongue
c) Palate
d) Gingival

23. Over extension of complete denture for a prolonged period without adjustment may cause.
a) Epulis fissuratum
b) Pyogenic granuloma
c) Papillary hyperplasia
d) Giant cell reparative granuloma

24. A patient reports to the dentist with symptoms of joint involvement, obscure pain and discomfort and clicking sounds. The patient is a complete denture wearer. The denture should be checked for
a) Increased vertical dimension
b) Reduced vertical dimension
c) Improper centric relation
d) Very large denture base coverage (over extended denture)

25. Most recent type of denture adhesive is:
a) Salts of Gontrez
b) Natural gums
c) Cellulose based salts
d) Acrylic adhesive

26. Ideal site of implant placement in a completely edentulous mandible:
a) 1st molar region bilaterally
b) Retromolar pad area because it is resistant to resorption
c) Buccal shelf area because it is not ideally suited for loading
d) Interforaminal region

27. Mandibular ridge resorption causes
a) Widening of posterior ridge
b) Widening of anterior ridge
c) Narrowing of posterior ridge
d) Widening of maxillary residual ridge

28. Shunting effect occurs in complete dentures:
a) If occlusal plane is lower in molar area
b) If the occlusal plane is lower in incisor area
c) If occlusal plane is lower in molar as well as incisor area
d) When patient has poor muscular co-ordination

29. A gnatho dynamometer is used to record:
a) Biting force
b) Centric relation
c) Vertical dimensions
d) FH Plane

30. Important diagnostic tool for achieving accurate implant angulation:
a) Diagnostic template
b) Wakup
c) Mounted diagnostic cast
d) Surgical template

31. Difficulty in use of metallic denture bases is:
a) Less margin of error in posterior palatal seal
b) Lack of tissue tolerance
c) Increased weight of dentures
d) Difficulty in getting accuracy of fit

32. Which of the following agent is used as a die hardener?
a) Cynoacrylate
b) Naït polish
c) Volatile relief agents
d) Composite Resin

33. The tooth most likely to cause lateral balancing interferences in an anterior guidance oclusal scheme is
a) First molar
b) Canine
c) Second molar
d) Premolars

34. Complete denture patients have a preference for which region when the consistency of food is tough
a) 2nd molar region
b) Premolar region
c) 1st molar region
d) Premolar and molar region

35. A complete denture patient is having difficulty in swallowing is due to
a) Increased interocclusal space
b) Decreased interocclusal space
c) Decreased vertical dimension
d) None of the above

36. The principal disadvantage of metal denture base is
a) increase in weight
b) acrylic resin does not providing bonding
c) injure the soft tissues
d) It is difficult to reline

37. Tissue conditioning materials are
a) Elastomers
b) Elasto polymers
c) Polymers
d) Impression plaster

38. Identify the material used in maxillofacial prosthesis is
a) Polyurethane elastomers
b) Poly carbonate
c) Auto polymerizing acrylic resing
d) Poly vinyl chloride
e) A&D

39. Which is “MOISTURE ACTIVE” adhesive?
a) Cyanoacrylate
b) Methyl methacrylate
c) Bis-GMA
d) All of the above

40. All the following are materials used for fabrication of maxillofacial prosthesis EXCEPT
a) Vinyl chloride polymers
b) Acrylic resins
c) Silicone rubber
d) Fiber reinforced composite

41. The replacement of missing part by artificial substitute is called as:
a) Obturator
b) Tongue blade
c) Prosthesis
d) Myofunctional appliance

42. The number of times an individual swallows per day while awake:
a) 600
b) 800
c) 700
d) 900

43. Repeated or sustained contact of teeth other than during mastication is called as
a) malfunction
b) parafunction
c) hyperfunction
d) hypofunction

44. A patient with a rational, sensible, calm and composed disposition is:
a) An exacting patient
b) A hysterical patient
c) An indifferent patient
d) A philosophical patient

45. The commonest type of porosity that results in a fluid resin technique is
a) Polymerization shrinkage porosity
b) Porosity due to inadequate pressure
c) Air inclusion porosity
d) Porosity due to increased heat

46. Which one of the following may NOT be used during the flasking of dentures:
a) petroleum
b) tin foil
c) tin foil substitute
d) silicone lubricant

47. Hapsburg jaw:
a) Class III
b) Class II division 1
c) Class I
d) Class II division 2

48. Dense cortical bone used for implant placement is found in:
a) Anterior mandible
b) Posterior mandible
c) Anterior maxilla
d) Posterior maxilla

49. Papillomatosis mast often seen beneath denture is best treated by:
a) Not allowing patient to wear denture
b) Electrosurgery or supraperisteal dissection
c) Chemical cautery
d) Radical excision because it has malignant potential

50. High fusing porcelains are used:
a) For crowns
b) In denture teeth
c) With titanium alloys
d) Over aluminious core porcelain

51. The result of muscle forces acting through the interrogation of the occlusal surfaces is called:
a) Anterior component of force
b) Mesial drift tendency
c) Stomatognathics
d) Gnathics

52. The ideal bone for implant support is
a) Spongy bone
b) Cortical bone
c) Lamellar bone
d) Woven bone

53. Atwoods classification Order IV corresponds to
a) Knife edged ridge
b) High well rounded
c) Low well rounded
d) Depressed

54. Bilateral balanced occlusion is based on the concept given by
a) Von Spee and Monson
b) G.V. Black
c) Sturdevant
d) D’Van

55. Placing a ring liner approximately 3.25 mm short of the ends of the ring tends to
a) Produce a more uniform expansion and the expansion will not be in a vertical direction hence no distortion
b) Produce a more uniform contraction
c) Produce no change
d) Produce distortion

56. In patients requiring a lingual frenectomy
a) The denture should not be made
b) The denture should be made before the surgery is performed
c) The denture should be made immediately after the surgery is performed
d) The denture should be made six months after the surgery

57. Minor modifications done in the existing tooth contours to improve a smile is termed –
a) Cosmetic contouring
b) Smile contouring
c) Micro dentistry
d) Enamel reshaping

58. Concept of lingualised occlusion was given by
a) Gysi
b) Boucher
c) De Van
d) Arnold

59. Tripoding is done:
a) To record the orientation of the cast to the surveyor
b) To get the desired path of insertion
c) To record the undercut areas on the abutment teeth
d) To record the orientation of the cast to the articulator

60. The movement that occurs in the horizontal plane when the mandible moves into a lateral excursion is
a) Horizontal axis
b) Vertical axis
c) Sagittal axis
d) Trans sagittal axis

61. A ‘leaf gauge’ is used to assist in
a) locating the musculo-skeletally stable position of the mandible
b) locating the posterior most position of the condyle in the glenoid fossa
c) assessment of the inter-occlusal clearance
d) none of the above

62. Ridge soreness in denture patients may be associated with
a) gagging
b) malocclusion
c) overextension
d) lack of retention

63. During recording centric relation, compound occlusion rims with styli in maxillary arch are used in
a) Patterson technique
b) Intra-oral tracer technique
c) Extra-oral tracer technique
d) Needles-house technique

64. The limits of hinge movement in terminal hinge position of the mandible is about
a) 19 – 22 degrees
b) 12 – 15 degrees
c) 12 – 15 millimeters
d) 35 degrees

65. Which one of the following is NOT advantage of metal denture base?
a) thermal conductivity
b) dimensional stability
c) lesser bulk
d) lesser weight

66. Bennett angle is measured on the
a) Working side
b) Balancing side
c) Lateral side
d) Medial side

67. Masticatory forces generated by a complete denture prosthesis is about
a) 44 – 50 pounds
b) 13 – 16 pounds
c) 13 – 15 kgs
d) 70 – 80 pounds

68. Palatal papillary hyperplasia is best treated by –
a) Cryosurgery
b) Electrosurgery
c) Electrocautery
d) Radiotherapy
E) A or C

69. In a Balanced Occlusion, if the incisal guidance is increased, then there is
a) Increased condylar guidance
b) Increased curve of Spee
c) Increased plane of orientation
d) Cuspal height is decreased

70. The maximum depression of the soft palate is recorded when Frankfort horizontal plane is –
a) 30° below the horizontal plane
b) 10° below the horizontal plane
c) 60° below the horizontal plane
d) 80° below the horizontal plane

71. Dehydration is the common concern in elderly edentulous patients because of –
a) Reduced ability to sense thirst
b) Poor absorption of fluids
c) Vitamin deficiency
d) Osteopenia

72. Interfacial surface tension does not act as a retentive factor in lower complete denture due to lack of –
a) Liquid-liquid interface
b) Liquid-air interface
c) Air-air interface
d) Liquid-gel interface

73. A patient with poor neuromuscular control presents with occlusal prematurities. Occlusion can be corrected by
a) Direct method
b) No need to establish correct occlusion
c) Patient is asked to bite carborundum paste
d) Take interocclusal record and correct on articulator

74. Patient with complete denture complains of pain while swallowing and there is overextension in the distolingual aspect. The muscle involved is:
a) Superior constrictor
b) Palatopharyngous
c) Palatoglossus
d) Styloharyngous

75. For a loose complete denture relining and rebasing can be done in which of the following condition
a) Excessive alveolar bone loss
b) When centric relation and centric occlusion do not coincide
c) The patient is poor and cannot afford new denture
d) More than 2mm loss of alveolar bone height

76. Compared with porcelain teeth, acrylic teeth have all of the following EXCEPT –
a) Chemical bond to denture
b) Hard and brittle
c) Minimal abrasion of opposing dentition
d) Silent on contact

77. Palatopharyngeal incompetence is treated by?
a) Palatal lift prosthesis
b) Obturator prosthesis
c) Pharyngeal speech prosthesis
d) Pharyngeal bulb prosthesis

78. Articulated diagnostic casts help in the following EXCEPT
a) Diagnostic wax up to evaluate outcome
b) Detailed analysis of occlusal plane and occlusion
c) Fabrication of wax patterns for casting
d) Performing mock tooth preparation

79. Index areas are
a) Alveolar support areas that disclose the reaction of bone to additional stresses
b) Areas which respond earlier to pathologic changes
c) Alveolar bone areas which respond to treatment
d) None of the above

80. A 55-year old female patient with denture wearer reported to the dentist. Her chief complaint was pain in the denture bearing area. On examination revealed inflammation of the denture bearing area with erythematous in nature, more diffuse involving entire denture bearing area.

A) What is this clinical situation called as
a) Epuls fissuratum
b) Traumatic ulcers
c) Denture irritational hyperplasia
d) Denture stomatitis

B) Among the different types of denture stomatitis diagnosis of candida-associated denture stomatitis is confirmed by
a) Based on clinical features
b) Based on intensity of erythematous lesions
c) By finding mycelia or pseudohyphae in a direct smear or isolation of candida in high numbers.
d) By examining the existing dentures.

C) One of the systemic factors predisposing to candida-associated denture stomatitis is
a) Nutritional deficiencies
b) Hypertension
c) HIV
d) Systemic lupus erythematosis

D) In the management of candida-denture stomatitis the following is used
a) Chlorhexidine 2%
b) Betadine
c) Gention violet
d) Local therapy with nystatin or amphotericin B

81. Buccal shelf lies between mandibular buccal frenum and the anterior edge of the
a) Buccinator muscle
b) Medial pterygoid muscle
c) Mylohyoid muscle
d) Masseter muscle

82. The anterior guidance between maxillary and mandibular anterior teeth has a direct influence on the direction of
a) Tongue movement
b) Palatoglossus movement
c) Mandibular movement
d) Lip movement

83. The continuous band of muscles constituting Buccinator mechanism is anchored at
a) Pharyngeal tubercle of occipital bone
b) Supranuchal line of occipital bone
c) Base of occipital bone
d) Infranuchal line of occipital bone

84. Palpation of muscles of mastication is best accomplished bilaterally and
a) Simultaneously
b) Alternately
c) Intermittently
d) None of the above

85. All mandibular motion is either rotation or
a) Transmotion
b) Transportation
c) Trans-subduction
d) Translation

86. During insertion of denture, the patient developed gag, then treatment is:
a) Use of medicine
b) Psychological counselling
c) Mechanical alteration
d) Both A & B

87. Fracture of denture at midline, reason is:
a) Excessive forcefully bite
b) Excessive resorption of alveolar ridges
c) Very thin acrylic resin
d) None

88. Denture cleaning tablets include all, EXCEPT……
a) Hydrogen peroxide
b) Alkaline material
c) Sodium perforate
d) Detergent

89. The maximum occlusal force exerted by a patient, who is edentulous would be?
a) 50 Psi
b) 150 Psi
c) 250 Psi
d) > 300 Psi

90. Resorption of mandible in old age is:
a) Centrifugal
b) Centripetal
c) Centrifugal anteriorly & centripetal posteriorly
d) Centrifugal posteriorly & centripetal anteriorly

91. Cold mould seal used as a separator is made up of:
a) Isopropyl alcohol
b) Petroleum Jelly
c) 2% sodium alginate
d) 1% barium

92. Which of the following statement is FALSE?
a) The term ‘pear shaped’ pad was coined by Craddock
b) Mucosa overlying pear shaped paid is stippled
c) Retromolar paid lies posterior to pear shaped pad
d) Mucosa overlying pear shaped pad is not stippled

93. The most successful materials for soft liner applications have been
a) Impression plaster
b) Silicone rubbers
c) Waxes
d) Irreversible hydrocolloids

94. A reliner for a complete denture is contraindicated when
a) There is resorption of the ridge
b) The denture contains a broken tooth
c) Centric occlusion and centric relation do not coincide
d) There is excessive over-closure of the vertical dimension

95. When closure in intercuspal position is attained during mastication, movement stop for about __ msec before another cycle begins.
a) 194 msec
b) 94 msec
c) 394 msec
d) 594 msec

96. Crown Height Space (CHS) for implant dentistry is measure from
a) prosthetic platform
b) junctional epithelium
c) crest of the bone
d) gingival margin

97. The implant should be positioned atleast __ away from natural tooth.
a) 0.5 mm
b) 1.0 mm
c) 1.5 mm
d) 2.0 mm

98. The distance between two adjacent implants should be
a) 2 mm
b) 3 mm
c) 4 mm
d) 5 mm

99. Five factors of articulation were originally described by
a) Boucher
b) Fenn Lidlow and Gimson
c) Vincent Trapazzano
d) Rudolf Hanau

100. Indication for retiring of complete denture include all, expect
a) Immediate denture at 3-6 months after their original construction
b) Patient cannot afford new denture
c) Abuse soft tissues are present
d) When the construction of new dentures with the multiple appointment cause physical and mental stress.

101. Which of the following is a main ingredient of denture cleaning powder or tablets?
a) Hydrogen peroxides
b) Detergents
c) Sodium perforates
d) Alkaline compounds

102. The tissue stops should engage buccal and lingual slopes of residual ridge for
a) Stability
b) Support
c) Retention
d) Reciprocation

103. Treatment of choice for palatal hyperplasia occurring due to denture irritation is
a) Discontinuation of dentures
b) Radicular excision
c) Supraperiosteal excision
d) No treatment necessary

104. Balancing side contacts in natural teeth
a) Improves muscle balance
b) Provides balanced occlusion
c) Destruct the PDL
d) Direct the forces to the long axis of the tooth

105. Transverse line extending from or between the middle of upper canine and incisive fossa is called
a) Horizontal line
b) Orientation line
c) Transverse line
d) CPC line

106. Which of the following is false about clinical remounting procedure?
a) It is the gold standard to diagnose a case for rebasing
b) It improves stability of the denture
c) It is more accurate than intraoral occlusal adjustments
d) Use of semi adjustable articulators mandatory for the procedures