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
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
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
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