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​DENTAL- PAGE 1


DENTAL MCQs- PAGE 1

​1. Utility waxes are used for which purpose?
 A:-Pressure indicating situations
 B:-Altering and adapting impression trays
 C:-Bite registration
 D:-Direct waxing procedures
 Ans: B

2. Liquid catalyst is present with which type of impression material?
 A:-Poly ether
 B:-Poly sulfide
 C:-Condensation silicone
 D:-Addition silicone
 Ans: C

3. W:P Ratio of dental stone is
 A:-0.50 - 0.75
 B:-0.45 - 0.50
 C:-0.28 - 0.30
 D:-0.22 - 0.24
 Ans: C

4. Monophase technique uses
 A:-Light body impression material
 B:-Heavy body impression material
 C:-Putty consistency
 D:-Medium body impression material
 Ans: D

5. The best material to cement porcelain laminate veneer is
 A:-Zinc oxide eugenol cement
 B:-Glass ionomer cement
 C:-Zinc phosphate cement
 D:-Resin cement
 Ans: D

6. The stages of addition polymerization are all except
 A:-Induction
 B:-Free radical formation
 C:-Chain transfer
 D:-Termination
 Ans: B

7. The major constituent of reversible hydrocolloid impression material is
 A:-Agar
 B:-Sodium alginate
 C:-Water
 D:-Silica
 Ans: C

8. Cross linking agent in heat cured acrylic resin is
 A:-Glycol dimethacrylate
 B:-Benzoyl peroxide
 C:-Dibutyl pthalate
 D:-Methyl methacrylate
 Ans: A

9. Figure-eight stropping motion is used for mixing
 A:-Reversible hydrocolloid
 B:-Poly ether
 C:-Irreversible hydrocolloid
 D:-Poly sulfide
 Ans: C

10. Dental plaster is which type of gypsum product?
 A:-Type I
 B:-Type II
 C:-Type III
 D:-Type IV
 Ans: B

11. The most common malignant neoplasm of the oral mucosa
 A:-Squamous cell carcinoma
 B:-Basal cell carcinoma
 C:-Keratoacanthoma
 D:-Papilloma
 Ans: A

12. The premalignant lesion usually associated with dysplastic changes histologically
 A:-Leukoplakia
 B:-Erythroplakia
 C:-Leukoedema
 D:-None of the above
 Ans: B

13. Pathologic loss of both enamel and dentin caused by biomechanical loading forces
 A:-Attrition
 B:-Abrasion
 C:-Abfraction
 D:-Caries
 Ans: C

14. Dentin deposited around pulp chamber throughout life of the tooth due to ageing
 A:-Secondary dentin
 B:-Tertiary dentin
 C:-Primary dentin
 D:-None of the above
 Ans: A

15. Localized masses of calcified tissue in the pulp that resemble normal dentin
 A:-True denticle
 B:-Diffuse calcification
 C:-False denticle
 D:-cementicle
 Ans: A

16. Pink tooth of mummery is caused by
 A:-Attrition
 B:-Mercury poisoning
 C:-Caries
 D:-Internal resorption
 Ans: D

17. Cementicles are small foci of calcified tissue which lie in the
 A:-Pulp
 B:-Dentin
 C:-Enamel
 D:-Periodontal ligament
 Ans: D

18. Pain is more apt to be a feature of
 A:-Acute caries
 B:-Chronic caries
 C:-Arrested caries
 D:-None of above
 Ans: A

19. Trench mouth disease is
 A:-Necrotizing ulcerative gingivitis
 B:-Desquamative gingivitis
 C:-Pregnancy gingivitis
 D:-Periodontitis
 Ans: A

20. Most common microbial disease affecting calcified tissues of the teeth
 A:-Gingivitis
 B:-Resorption
 C:-Caries
 D:-Attrition
 Ans: C

21. Life saving drug in anaphylaxis
 A:-Nifidipin
 B:-Pencillin
 C:-Adrenalin
 D:-Midazolam
 Ans: C

22. Whining type of behaviour means
 A:-Shy behaviour
 B:-Abused behaviour
 C:-compliant type of behavour
 D:-stubborn behaviour
 Ans: C

23. which is used for caries diagnosis
 A:-embrace wetbond
 B:-Wand
 C:-papacarie
 D:-mini-Dcarie
 Ans: D

24. stainless steel crown is
 A:-permanent restoration
 B:-semi permanent restoration
 C:-temporary restoration
 D:-self applied restoration
 Ans: B

25. which brushing trechnique is good for children
 A:-Fone's technique
 B:-Bass method
 C:-Modified stillman technique
 D:-chatter method
 Ans: A

26. which is called as arch criminal
 A:-sucrose
 B:-fructose
 C:-xylitol
 D:-manitol
 Ans: A

27. ormocer is
 A:-GIC
 B:-poly carboxilyte
 C:-pulpectomy medicament
 D:-composite
 Ans: D

28. first clinically tested plantibody
 A:-CARO Rx
 B:-BRAX Rx
 C:-CROME Rx
 D:-GENE Rx
 Ans: A

29. most commonly affected system in down's syndrome patient
 A:-Respirotary system
 B:-Renal system
 C:-cardiac system
 D:-endocrine system
 Ans: C

30. choking off phenomenon is seen in
 A:-NaF
 B:-SnF
 C:-APF
 D:-Amine fluoride
 Ans: A

31. X-rays are
 A:-Particulate Radiation
 B:-Beta Rays
 C:-Photons
 D:-Electrons
 Ans: C

32. Titanium di Oxide is used in intensifying screen as
 A:-Reactive Layer
 B:-Reflecting Layer
 C:-Colourful Layer
 D:-Protective Layer
 Ans: B

33. Trace amount of gold are sometimes added to silver halide crystals of X-ray films to improve their
 A:-Image Quality
 B:-Radiographic Density
 C:-Film Contrast
 D:-Sensitivity
 Ans: D

34. The technique based on Ciesensky's rule of isometry is
 A:-Bisecting Angle Technique
 B:-Paralleling Technique
 C:-Right Angle Technique
 D:-Long Cone Technique
 Ans: A

35. In the X-ray tube, X-rays originate from:
 A:-Filament
 B:-Anode
 C:-Cathode
 D:-Focussing Cup
 Ans: B

36. The main cause of foreshortening of the bisecting angle technique
 A:-Improper placement of film
 B:-Improper horizontal angulation
 C:-Vertical angulation of cone too flat or obtuse
 D:-Vertical angulation too acute or sharp
 Ans: D

37. The embossed dot of the film packet should always be placed
 A:-Towards the source
 B:-Away from source
 C:-It doesnot matter
 D:-Away from source in mandible & towards the source in Maxilla
 Ans: A

38. The radiograph that shows the crowns of upper & lower teeth is called
 A:-IOPA Radiograph
 B:-Bitewing Radiograph
 C:-True Occlusal Radiograph
 D:-Topographic Occlusal Radiograph
 Ans: B

39. Placing the film in the fixer first result in
 A:-Film with fixer stain
 B:-Clear Film
 C:-Mottled film
 D:-No Change
 Ans: B

40. Function of film badge
 A:-To protect from Radiation
 B:-To absorb radiation
 C:-To monitor radiation exposure
 D:-To measure background radiation
 Ans: C

​
41. The term "gingival col" refers to
 A:-free gingiva
 B:-interdental gingiva
 C:-marginal gingiva
 D:-attached gingiva
 Ans: B

42. Fibroblast helps in
 A:-formation of collagen
 B:-destruction of collagen
 C:-formation and destruction of collagen
 D:-no specific function
 Ans: C

43. Stage 1 gingivitis is otherwise known as
 A:-initial lesion
 B:-early lesion
 C:-clinical lesion
 D:-advanced lesion
 Ans: A

44. Isolated area in which root is denuded of bone and covered by mucoperiosteum with intact marginal alveolar bone is known as
 A:-fenestration
 B:-dehiscence
 C:-lipping
 D:-stillman's cleft
 Ans: A

45. An example of anticalculus agent is
 A:-chlorhexidine
 B:-cetyl pyridium chloride
 C:-povidine iodine
 D:-pyrophosphate
 Ans: D

46. Acellular cementum covers
 A:-the middle third of the root
 B:-cervical one third to half of the root
 C:-apical half of the root
 D:-apical third of the root
 Ans: B

47. Sodium lauryl sulphate in dentifrice is used as
 A:-abrasive
 B:-detergent
 C:-humectant
 D:-flavouring agent
 Ans: B

48. Common type of cemento enamel junction is
 A:-enamel overlapping cementum
 B:-butt-joint
 C:-cementum overlapping enamel
 D:-cementum and enamel fail to meet
 Ans: C

49. Tripod effect is seen in
 A:-palm and thumb grasp
 B:-standard pen grasp
 C:- modified pen grasp
 D:-modified palm and thumb grasp
 Ans: C

50. Which of the following periodontal ligament fibre groups are not attached to alveolar bone?
 A:-apical group
 B:-horizontal group
 C:-oblique group
 D:-transeptal group
 Ans: D

51. Most effective method of sterilization in dental clinic is
 A:-Cold Sterilization
 B:-Hot air sterilization
 C:-Autoclaving
 D:-Boiling water sterilization
 Ans: C

52. For painless extraction of lower molar; the most suitable method of local anesthesia is
 A:-Mental nerve block
 B:-Inferior alveolar nerve block
 C:-Local infiltration
 D:-Inferior alveolar nerve block with buccal nerve block
 Ans: D

53. Syncope is
 A:-A technique of local anesthesia
 B:-Usual complication of local anesthesia
 C:-Transient loss of consciousness
 D:-A technique of sterilization
 Ans: C

54. Trismus is
 A:-Swelling of cheek following dental extraction
 B:-Difficulty in opening mouth
 C:-Condition of excessive bleeding
 D:-Nerve injury following extraction
 Ans: B

55. Ideal autoclaving temperature used in dental clinic is
 A:-121 degree centigrade at 15lbs pressure for 15 minutes
 B:-136 degree centigrade at 24lbs pressure for 15 minutes
 C:-100 degree centigrade at 15lbs for 20 minutes
 D:-100 degree centigrade at 24lbs for 20 minutes
 Ans: A

56. Most common impacted tooth in the dental arch is
 A:-Maxillary canine
 B:-Mandibular third molar
 C:-Mandibular canine
 D:-Maxillary third molar
 Ans: B

57. Which of the following is not a muscle of mastication
 A:-Masseter
 B:-Buccinator
 C:-Temporalis
 D:-Lateral pterygoid
 Ans: B

58. Majority of saliva is produced by
 A:-Parotid salivary gland
 B:-Sublingual salivary gland
 C:-Submandibular salivary gland
 D:-Minor salivary glands
 Ans: A

59. Amount of local anesthetic solution required for inferior alveolar nerve block anesthesia
 A:-3ml
 B:-3.5ml
 C:-2.5ml
 D:-2ml
 Ans: D

60. It is break time in your clinic and you are alone there. A patient who had undergone dental extraction 2hrs earlier reported back in panic, complaining of bleeding. How will you logically handle the situation?
 A:-Send back the patient telling that the doctor is not here
 B:-Reassure the patient, prescribe some medication and send the patient back
 C:-Reassure the patient, seat him comfortably, apply fresh cotton pressure pack and inform the doctor
 D:-Call emergency medical service
 Ans: C

61. The typical inhibitor added to resin based composite is
 A:-Camphorquinone
 B:-Butylated hydroxy toluene
 C:-Silicone dioxide
 D:-Urethane di-methacrylate
 Ans: B

62. The following materials are used for tooth bleaching EXCEPT
 A:-Hydrogen peroxide
 B:-Sodium perborate
 C:-Calcium hydroxide
 D:-Carbamide peroxide
 Ans: C

63. Barbed broaches are used to
 A:-Extirpate pulpal tissues
 B:-Loosen the debris in necrotic canals
 C:-Remove paper points or cotton from root canal
 D:-All of the above
 Ans: D

64. The area of the tooth that is most sensitive during cavity preparation is
 A:-Dentino- enamel junction
 B:-Dentine
 C:-Enamel
 D:-Cemento-enamel junction
 Ans: A

65. Treatment of acute apical abscess is
 A:-Endodontic therapy or extraction
 B:-Direct pulp capping
 C:-Incision and drainage
 D:-Indirect pulp capping
 Ans: C

66. Iatrogenically formed debris by the cutting of enamel, dentine or cementum is called
 A:-Beilby layer
 B:-Smear layer
 C:-Sandwich layer
 D:-Cut layer
 Ans: B

67. Atraumatic restorative treatment is done using
 A:-Zinc phosphate cement
 B:-Composite resin
 C:-Silicate cement
 D:-High viscosity glass ionomer cement
 Ans: D

68. Best method to sterilize paper points is
 A:-Glass bead sterilizer
 B:-Chemical sterilizer
 C:-Ethanol flame
 D:-Autoclave
 Ans: A

69. Which is the ideal luting cement for ceramic veneers
 A:-Glass ionomer
 B:-Zinc phosphate
 C:-Zinc polycarboxylate
 D:-Resin
 Ans: D

70. Delayed expansion of a zinc containing amalgam , when contaminated with moisture during condensation usually starts after
 A:-1 day
 B:-3-5 days
 C:-3-4 weeks
 D:-2-3 months
 Ans: B

71. Retarder used in Alginate impression material is;
 A:-Sodium alginate
 B:-Calcium sulfate
 C:-Trisodium phosphate
 D:-None of the above
 Ans: C
​
72. Disinfection of alginate impressions can be done using;
 A:-2% Gluteraldehyde
 B:-10% Gluteraldehyde
 C:-0.2% Gluteraldehyde
 D:-20% Gluteraldehyde
 Ans: A

73. The structure that is primarily responsible for orthodontic tooth movement is;
 A:-Alveolar bone
 B:-Periodontal ligament
 C:-Cementum
 D:-Lamina Dura
 Ans: B
​
74. Removable orthodontic appliance generally bring about;
 A:-Bodily movement
 B:-Root movement
 C:-long axis rotation of teeth
 D:-Tipping of teeth
 Ans: D

75. which among the following is a myofunctional appliance;
 A:-Twin block
 B:-Hawley's appliance
 C:-Expansion appliance
 D:-None of the above
 Ans: A

76. Prevention of white spot lesion on enamel surface can be best done by;
 A:-Good oral hygiene maintenance
 B:-using mouth washes
 C:-periodic oral prophylaxis
 D:-all of the above
 Ans: D

77. Calcium sulphate hemihydrate is chemically;
 A:-Acrylic
 B:-Alginate
 C:-Plaster of paris
 D:-none of the above
 Ans: C

78. Bacterial spores used to detect the extent of sterilization in autoclaving is;
 A:-Lactobacillus acidophilus
 B:-Streptococcus mutans
 C:-Actino Bacillus
 D:-Bacillus steriothermophilus
 Ans: D

79. Space maintainer is most often indicated in;
 A:-Maxillary primary incisor area
 B:-Mandibular primary incisor area
 C:-Mandibular primary second molar area
 D:-none of the above
 Ans: C

80. Serial extraction procedure is;
 A:-Preventive orthodontic procedure
 B:-Interceptive orthodontic procedure
 C:-Corrective orthodontic procedure
 D:-all of the above
 Ans: B

81:-The most commonly used accelerator in gypsum product is
 A:-Sodium fluoride
 B:-Potassium fluoride
 C:-Potassium sulfate
 D:-Aluminum sulfate
Ans: C

82:-Most rigid elastomer is
 A:-Polyether
 B:-Polysulfide
 C:-Addition silicone
 D:-Condensation silicone
Ans: A

83:-Die hardening agent is applied in the
 A:-Finish line area
 B:-Functional cusp bevel area
 C:-Everywhere but 0.5 mm short of finish line
 D:-All around the die
Ans: C

84:-First jaw relation to be recorded in complete denture fabrication is
 A:-Vertical
 B:-Horizontal
 C:-Orientation
 D:-Either 1 or 2
Ans: A

85:-More labial inclination is given to which tooth during teeth setting
 A:-Mandibular lateral incisor
 B:-Maxillary lateral incisor
 C:-Mandibular central incisor
 D:-Maxillary central incisor
Ans: D

86:-Minimum crown root ratio is
 A:-1 : 1
 B:-1 : 2
 C:-1 : 3
 D:-2 : 3
Ans: A

87:-Most acceptable margin design for an all ceramic restoration is
 A:-Feather edge
 B:-Chisel edge
 C:-Chamfer
 D:-Shoulder
Ans: D

88:-Indirect retainer is not indicated in Kennedy class
 A:-I
 B:-II
 C:-III
 D:-IV
Ans: D

89:-The term Tripoding relates to
 A:-Complete dentures fabrication
 B:-Mounting of casts on articulator
 C:-Surveying of master cast
 D:-Disinfection of an impression
Ans: C

90:-Graphite is used in dental soldering as
 A:-Flux
 B:-Antiflux
 C:-Filler
 D:-Investment
Ans: B

91:-High noble alloy used for metal ceramic alloys is
 A:-Gold – Palladium
 B:-Silver – Palladium
 C:-Palladium – Cobalt
 D:-Gold – Silver
Ans: A

92:-Passivating effect is provided by formation of
 A:-iron oxide
 B:-chromium oxide
 C:-titanium carbide
 D:-chromium carbide
Ans: B

93:-The accepted polymer : monomer ratio of heat cure acrylic resin is
 A:-1 : 3
 B:-3 : 1
 C:-1 : 2
 D:-2 : 1
Ans: B

94:-The initiator used in heat cured acrylic resin is
 A:-Propylene glycol
 B:-Benzoyl peroxide
 C:-Glycol dimethacrylate
 D:-Hydroquinone
Ans: B

95:-The lightness or darkness of a colour is known as
 A:-Hue
 B:-Valve
 C:-Chroma
 D:-Saturation
Ans: B

96:-Which is the fourth state of matter?
 A:-Solid
 B:-Liquid
 C:-Vapour
 D:-Colloid
Ans: D

97:-Silica is mixed with plaster to increase the
 A:-Refractoriness
 B:-Dimensional stability
 C:-Flow
 D:-Reproduction of detail
Ans: A

98:-The initiator for light activated resin is
 A:-Visible light
 B:-Camphoroquinone
 C:-Benzoyl peroxide
 D:-Propylene glycol
Ans: B

99:-Among the factors affecting balanced occlusion, which is not controlled by the operator is
 A:-Incisal guidance
 B:-Condylar guidance
 C:-Plane of occlusion
 D:-Compensating curve
Ans: B

100:-When designing palatal major connectors, relief should be given for
 A:-Palatal torus
 B:-Ridge area
 C:-Elevated mid suture line
 D:-Rugae area
Ans: A
  • Dental
  • Dental- Page 1
  • Dental- Page 2
  • Dental- Page 3
  • Dental- Page 4
  • Dental- Page 5
  • Dental- Page 6   
  • Dental- Page 7
  • Dental- Orthodontics & Danto Facial Orthopaedics
  • Dental- Orthodontics & Danto Facial Orthopaedics- Page 1    
  • Dental- Periodontics                

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      • UPSC EXAM SYLLABUS- ECONOMICS
      • UPSC EXAM SYLLABUS- ELECTRICAL ENGINEERING
      • UPSC EXAM SYLLABUS- HISTORY
      • UPSC EXAM SYLLABUS- LAW
      • UPSC EXAM- FREQUENTLY ASKED QUESTIONS (FAQs)
      • UPSC EXAM SYLLABUS- MANAGEMENT
      • UPSC EXAM SYLLABUS- MATHEMATICS
      • UPSC EXAM SYLLABUS- MECHANICAL ENGINEERING
      • UPSC EXAM SYLLABUS- MEDICAL SCIENCE
      • UPSC EXAM SYLLABUS- PHILOSOPHY
      • UPSC EXAM SYLLABUS- PHYSICS
      • UPSC EXAM SYLLABUS- POLITICAL SCIENCE AND INTERNATIONAL RELATIONS
      • UPSC EXAM SYLLABUS- PSYCHOLOGY
      • UPSC EXAM SYLLABUS- PUBLIC ADMINISTRATION
      • UPSC EXAM SYLLABUS- SOCIOLOGY
      • UPSC EXAM SYLLABUS- STATISTICS
      • UPSC EXAM SYLLABUS- ZOOLOGY
    • THE COMBINED GEOSCIENTIST AND GEOLOGIST EXAMINATION SYLLABUS
    • COMBINED MEDICAL SERVICES EXAMINATION SYLLABUS
    • JOINT ENTRANCE EXAMINATION
    • OPTIONAL SUBJECTS OF UPSC EXAM TOPPERS
    • UPSC- EXAM CENTRES
    • UPSC EXAM TIMETABLE/ PATTERN
    • UPSC EXAM BEGINNERS TIPS
    • COMBINED GRADUATE LEVEL EXAMINATION- SSC
    • OVERVIEW OF GATE EXAM
    • UPSC INDIAN FOREST SERVICE >
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- AGRICULTURE
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- AGRICULTURAL ENGINEERING
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- ANIMAL HUSBANDRY AND VETERINARY SCIENCE
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- BOTANY
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- CHEMISTRY
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- CHEMICAL ENGINEERING
      • GEN. STUDIES- INDIA PAGE 5
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- CIVIL ENGINEERING
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- FORESTRY
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- GEOLOGY
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- MATHEMATICS
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- MECHANICAL ENGINEERING
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- PHYSICS
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- STATISTICS
      • UPSC INDIAN FOREST SERVICE- SYLLABUS- ZOOLOGY
  • SITEMAP
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