AIIMS MAY 2012 dental question and answers.
1. component from 2nd branchial arch
(a)mandible
(b)muscle of mast
(c)muscle of facial exp
(d)TMJ
2. sensory supply of TMJ
(a)masseteric
(b)auriculotemporal
(c) buccal
(d)
3. which blood vessel does not suppl yphayngotypmpanic tube?
(a)asc. pharyngeal
(b)asc. palatine
(d)middle meningeal
(d)art. of pterygoid canal
4. in intrusion - centre of rotation?
(a)infinity
(b)apical 3rd
(c)CEj
(d)outside tooth
5. min ortho force
(a)>cap blood pr
(b)=cap bl pr (optimum)
(c)<cap bl pr
(d)does not depend on capillary blood pressure
6. relapse after rotation due to
(a)horizontal fiber
(b)oblique
(c)supraalveolar
(d)apical
(as far as i remember it was SUPRACRESTAL gingival fibres)
7. ortho wire - energy storage related to
(a)range
(b)formability
(c)resilience
(d)prop limit
8. progressive malocclusion
(a)cl 1
(b)cl 2
(c)cl 3
(d)a+c
9. most mucostatic imp is
(a)imp compound
(b)PoP
(c)ZnO eugenol
(d)wax
10. annealing is
(a)hardening heat trt
(b)softening heat trt
(c)precipitating heat treatment
(d) stress relieving heat treatment
11. legionnaire's disease - false is
(a)Ab in urine is diagnostic
(b)water borne
(c)can infect ameba intracellularly
(d)human 2 human transmission seen
12. hair on end appearance in xray?
(a)sickle cell an
(b)thalassemia
(c)aplastic an
(d)
13. Stage 2 carcinoma is
(a)T1 NOM0
(b)T2N0M0
(c)T2N1M0
(d)T1N1M0
14. which surface of tongue not commonly affected by CA?
(a)dorsal
(b)ventral
(c)lateral
(d)post
15. xray contrast best controlled by
(a)exp time
(b)kvp
(c)mA
(d)tube angulation
16. inter-radicular bone ?
(a)cortical
(b)cancellous
(c)exophytic
D) osteophytic
17. student t test - true is
(a)no of observation in sample is same
(b)SD is similar
(c)mean is similar
(d)sample is small
18. mean resp rate in diff kind of smokers and non smokers , categorized as 4 categories... mild, moderate, heavy and........ test usd to asses the means between them -
(a)one way ANOVA
(b)two way ANOVA
(c)student t
(d) chi square
19. nervus intermedius does not carry
(a)spc visceral eff
(b)spc somaticl eff
(c)gen somatic eff
(d)gen visceral eff
20. micrognathia+cleft palate+glossoptosis
(a)pierre robin
(b)trisomy 21
(c)achondroplasia
(d)trecher cholin
21. moon facies seen in
(a)cushing
(b)albright
(c)peutz-jeghers
(d)addisons syndr
22. child suffering trauma at 4 yr and discoloured central incisor at 7 -
(a)turner's hypoplasia
(b)syphilitic hyp
(c)ricket
(d)enamel fluorosis
23. pemphigus vulgaris diagnosed clinically by?
(a)nikolsky
(b)auspitz
(c)
(d)
24. white radiating line on bucccal mucosa seen in -
(a)leukoplakia
(b)erythroplakia
(c)LP
(d)
25. bull's eye lesion
(a)erythema multiforme
(b)psoriasis
(c)
(d)
26. anitskow cell in all except -
(a)apthous ulcer
(b)herpes simplex
(c)iron def. anemia
(d)sickle cell anemia
27. most plaque accumulation acc to glickmann is
(a)7 days
(b)15
(c)30
(d)60
28.ideal brush acc to WHo
(a)1-11/4" length, 5/16-3/8 " dia, 2-4 rows, 5-12 tufts
(b)1-11/8" length, 5/16-3/16 " dia, 2-5 rows, 5-12 tufts
(c)
(d)
29. walls of cl 5 cavity depends on -
(a)dir of enamel rods
(b)inciso and gingivo axial walls
(c)extent of caries
(d)
30. abrasion mostly seen in
(a)Lt max arch
(b)Rt max arch
(c)Lt mand arch
(d)Rt mand arch
31. cervical erosion - material of choice
(a)GIC
(b)RM-GIC
(c)Compomer
(d)Composite
32. enamel etching removes -
(a)10-20 um
(b)2-7 um
(c)21-30
(d)40-50
33. dentin conditioning -
(a)removes smear layer
(b)bonds with resin
(c)forms plug between resin tag and dentin
(d)increases surface energy
34. 4 canal mand tooth - acc cavity shape
(a)triangular
(b)oval
(c)trapezoidal
(d)circular
35. etching - gel preferred
(a)easy apply
(b)conc of acid
(c)washing easy
(d)application control
36. denture cleansers - main component
(a)H2O2
(b)sod perborate
(c)alkali agents
(d)detergents
37. not used as abrasive in dentrifice
(a)CaCO3
(b)NaCl
(c)Silicate
(d)amylose
38. Juvenile periodontitis?
(a)neutrophil chemotactic defect
(b)
(c)
(d)
39. Which is seen in pregnancy gingivitis?
(a)A.a.comitans
(b)P.melaninigenica
(c)S.sanguis
(d)fusobacterium
40.ludwig angina - best feature?
(a)trismus
(b)raised tongue
(c)raised ear lobule
(d)swelling
41.mand deviates toward Rt - muscle defective is
(a)Rt Lt pterygoid
(b)Lt Lt pterygoid
(c)Rt temporalis
(d)Lt temporalis
42. preferred choice of brushing in disease
(a)roll
(b)scrub
(c)sulcular
(d)vibratory
43. gum hypertrophy seen in -
(a)nifedipine
(b)
(c)
(d)
44. tobacco chewing most ass. with -
(a)ANUG
(b)desquamtive gingivitis
c)juvenile periodontitis
(d)
45. green stain in child. cause -
(a)chromogenic bacteria
(b)plaque
(c)materia alba
(d)
46. desquamative gingivitis - feature
(a)hyperkeratoses
(b)enlaged rete pegs
(c)loss of base. membrane
(d)
47. min lobes to form a tooth
(a)2
(b)3
(c)4
(d)5
48. dentin hypoplasia + areas of interglobular dentin etc etc?
(a)Dent. Imperf
(b)Dent. dysplasia
(c)Odontodysplasia
(d)dentin hypocalcification
49. chronic pulpal involvement in primary tooth - first sign?
(a)fuzziness in furcation area
(b)changes in apical area
(c)
(d) resorption
50. failure of formocresol pulpotomy?
(a)internal resorb
(b)discolouration
(c)obliteration of pulp canal
(d)pain
51.% of NaOCl in cariosolv?
(a)0.5-1
(b)1-5
(c)5
(d)10
52. chemically activated resin - P/L ratio ?
(a)3:1 by vol, 2:1 by wt
(b)2:1 by vol, 3:1 by wt
(c)1:3 by vol, 1:2 by wt
(d)2:1 by vol, 1:3 by wt
53. cold cure resin - activator is
(a)dibutyl pthalate
(b)dimethyl p-toluidine
(c)glycol dimethacrylate
(d)benzoyl peroxide
54. reverse bevel incision is given to-
(a)remove pocket lining
(b)to reach alv crest
(c)raise marg. gingiva
(d)all
55. Yt laser - false is
a) used in periodontal surgery
b )generated @ rapid pulse
c)absorbd by pigmented cell
(d) wave length is 10,400 um
56.Periodontal surgery best performed -
a)1 month after completion of hygenic phase
(b)4 week before completion of ocllusal adjustments
(c)8 week after completion of restorative phase
(d)immediately after completion of hygienic phase
57. rhabdomyocarcoma - sarcoma of
(a)smooth mus
(b)striated mus
(c)minor salivary glands
(d)
58. proximal caries - ortho problem?
(a)loss of arch length
(b)loss of tooth
(c)gaining of arch length
(b)loss of transverse arch width
59. traumatic occlusal force and changes in bone
(a)o.b. in pressure area o.c. in tension area
(b)o.c. in pressure area o.b. in tension area
(c)osteoid in pressure area o.b. in tension area
(d)functional atrophy
60. role of plaque most obscure in
(a)juvenile pd
(b)ANUG
(c)desquamative gin
(d)pregnancy gin
61. not found in periodontitis
(a)bacteroides
(b)wolinella
(c)neisseria
(d)
62. to measure periodontal disease
(a)PMA index
(b)gingival index
(c)peridontal index
(d)sulcus bleeding index
63. occurence of malocclusion in a given population termed as
(a)incidence
(b)prevalnece
(c) mortality
(d)probability
64. clinically apical end of sulcus is -
(a)JE
(b)CEJ
(c)apical end of probe
(d)alv crest
65. root canal filled in a ging recession case
(a)1mm apical to recession
(b)1mm apical to CEJ
(c)1mm below canal opening
(d)
66. apical migration of JE + marginal ging
(a)shallow pocket
(b)true pocket
(c)intrabony
(b)suprabony
67. CPITN measures
(a)full arch
(b)quadrant
(c)sextant
(d)full dentition
68. prion - true is
(a)readily inactivated by autoclave at 121C
(b)evokes strong immunologic reaction
(c)sensitive to most chemical sterilization
(d)contains DNA/RNA
69. hand piece not sterilized in
(a)autoclave
(b)gamma ray
(c)dry heat
(d)ethylene oxide
70. during your cleaning and shaping procedure, files kept in cleansing agent
a) 15 sec. In glass bead
b) 30 sec. In glass bead
c) sodium hypochlorite
d) chlorhexidine
71. GIC binds to tooth via
(a)polycarboxyl groups
(b)carboxyl groups
(c)metal ions
72. hyaline zone is
(a)cell free zone Hist. similar to hyaline appearance
(b)change to hyaline catilage
(c)lamina dura converts into hyaline cartilage
(d)periodontal ligament changes to hyaline cartilage
73. in ortho wire -
(a)F=D4/L3
(b)f= d1/;i
(c)f=d8/l8
(d)
74. nerve tissue growth completes in
(a)6-7yrs
(b)10-12yrs
(c)14-16yrs
(d)18yrs
75. ulner sesamoid bone calcification starts in
(a)puberty
(b)prepubertal growth spurt
(c)birth
(d)3 months after birth
76. TMJ ankylosis - most common cause
(a)infection
(b)trauma
(c)hereditary
(d)idiopathic
77. nerve supply of buccinator
(a)V
(b)VII
(c)IX
(d)XII
78. disposal of yellow bag material in hospital
(a)burial
(b)autoclave
(c)incineration
(d)
79. basal cell CA commonly in -
(a)upper 3rd face
(b)middle 3rd face
(c)lower 3rd face
(d)lower lip
80. plaque forms after brushing
(a)in few mins
(b)1/2-2 hrs
(c)3-4 hrs
(d)6 hrs
81. polishing with
(a)silicon carbide
(b)27um alumina
(c)50um alumina
(d)sodium bicarbonate
82. periodontometer checks
(a)mobility
(b)furcation
(c)pocket
(d)
83. most common -
(a)cleft lip
(b)a+cleft alveolus
(c)b+cleft palate unilateral
(d)b+cleft palate bilatral
84. last resort for anaesthesia
a intraligamentary
b intrapulpal
c supraperiosteal
d gowe gates
85. interdental col :
A.is covered with NON keratinized
B.harbours bacteria
C.difficult to clean
D. All
86 ground substance breakdown in pdl caused by enzyme
a collagenase
b hyaluronidase
87. Dental flossa
a.Type 1 embrasure
b Type 2
c Type 3
d All
88. neonatal teeth are
a present @ birth
b present 180 days aftr birth
c within 45 days of birth d
d. within 30 days of birth
89. unknown abnormal sensation is:
a) dysaethesia
b) anesthesia dolorosa
c) alodynia
d)causelsia
90most accepted theory of dentinal pain
a.hydrodynamic
b.gates control and vibration theory
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1. component from 2nd branchial arch
(a)mandible
(b)muscle of mast
(c)muscle of facial exp
(d)TMJ
2. sensory supply of TMJ
(a)masseteric
(b)auriculotemporal
(c) buccal
(d)
3. which blood vessel does not suppl yphayngotypmpanic tube?
(a)asc. pharyngeal
(b)asc. palatine
(d)middle meningeal
(d)art. of pterygoid canal
4. in intrusion - centre of rotation?
(a)infinity
(b)apical 3rd
(c)CEj
(d)outside tooth
5. min ortho force
(a)>cap blood pr
(b)=cap bl pr (optimum)
(c)<cap bl pr
(d)does not depend on capillary blood pressure
6. relapse after rotation due to
(a)horizontal fiber
(b)oblique
(c)supraalveolar
(d)apical
(as far as i remember it was SUPRACRESTAL gingival fibres)
7. ortho wire - energy storage related to
(a)range
(b)formability
(c)resilience
(d)prop limit
8. progressive malocclusion
(a)cl 1
(b)cl 2
(c)cl 3
(d)a+c
9. most mucostatic imp is
(a)imp compound
(b)PoP
(c)ZnO eugenol
(d)wax
10. annealing is
(a)hardening heat trt
(b)softening heat trt
(c)precipitating heat treatment
(d) stress relieving heat treatment
11. legionnaire's disease - false is
(a)Ab in urine is diagnostic
(b)water borne
(c)can infect ameba intracellularly
(d)human 2 human transmission seen
12. hair on end appearance in xray?
(a)sickle cell an
(b)thalassemia
(c)aplastic an
(d)
13. Stage 2 carcinoma is
(a)T1 NOM0
(b)T2N0M0
(c)T2N1M0
(d)T1N1M0
14. which surface of tongue not commonly affected by CA?
(a)dorsal
(b)ventral
(c)lateral
(d)post
15. xray contrast best controlled by
(a)exp time
(b)kvp
(c)mA
(d)tube angulation
16. inter-radicular bone ?
(a)cortical
(b)cancellous
(c)exophytic
D) osteophytic
17. student t test - true is
(a)no of observation in sample is same
(b)SD is similar
(c)mean is similar
(d)sample is small
18. mean resp rate in diff kind of smokers and non smokers , categorized as 4 categories... mild, moderate, heavy and........ test usd to asses the means between them -
(a)one way ANOVA
(b)two way ANOVA
(c)student t
(d) chi square
19. nervus intermedius does not carry
(a)spc visceral eff
(b)spc somaticl eff
(c)gen somatic eff
(d)gen visceral eff
20. micrognathia+cleft palate+glossoptosis
(a)pierre robin
(b)trisomy 21
(c)achondroplasia
(d)trecher cholin
21. moon facies seen in
(a)cushing
(b)albright
(c)peutz-jeghers
(d)addisons syndr
22. child suffering trauma at 4 yr and discoloured central incisor at 7 -
(a)turner's hypoplasia
(b)syphilitic hyp
(c)ricket
(d)enamel fluorosis
23. pemphigus vulgaris diagnosed clinically by?
(a)nikolsky
(b)auspitz
(c)
(d)
24. white radiating line on bucccal mucosa seen in -
(a)leukoplakia
(b)erythroplakia
(c)LP
(d)
25. bull's eye lesion
(a)erythema multiforme
(b)psoriasis
(c)
(d)
26. anitskow cell in all except -
(a)apthous ulcer
(b)herpes simplex
(c)iron def. anemia
(d)sickle cell anemia
27. most plaque accumulation acc to glickmann is
(a)7 days
(b)15
(c)30
(d)60
28.ideal brush acc to WHo
(a)1-11/4" length, 5/16-3/8 " dia, 2-4 rows, 5-12 tufts
(b)1-11/8" length, 5/16-3/16 " dia, 2-5 rows, 5-12 tufts
(c)
(d)
29. walls of cl 5 cavity depends on -
(a)dir of enamel rods
(b)inciso and gingivo axial walls
(c)extent of caries
(d)
30. abrasion mostly seen in
(a)Lt max arch
(b)Rt max arch
(c)Lt mand arch
(d)Rt mand arch
31. cervical erosion - material of choice
(a)GIC
(b)RM-GIC
(c)Compomer
(d)Composite
32. enamel etching removes -
(a)10-20 um
(b)2-7 um
(c)21-30
(d)40-50
33. dentin conditioning -
(a)removes smear layer
(b)bonds with resin
(c)forms plug between resin tag and dentin
(d)increases surface energy
34. 4 canal mand tooth - acc cavity shape
(a)triangular
(b)oval
(c)trapezoidal
(d)circular
35. etching - gel preferred
(a)easy apply
(b)conc of acid
(c)washing easy
(d)application control
36. denture cleansers - main component
(a)H2O2
(b)sod perborate
(c)alkali agents
(d)detergents
37. not used as abrasive in dentrifice
(a)CaCO3
(b)NaCl
(c)Silicate
(d)amylose
38. Juvenile periodontitis?
(a)neutrophil chemotactic defect
(b)
(c)
(d)
39. Which is seen in pregnancy gingivitis?
(a)A.a.comitans
(b)P.melaninigenica
(c)S.sanguis
(d)fusobacterium
40.ludwig angina - best feature?
(a)trismus
(b)raised tongue
(c)raised ear lobule
(d)swelling
41.mand deviates toward Rt - muscle defective is
(a)Rt Lt pterygoid
(b)Lt Lt pterygoid
(c)Rt temporalis
(d)Lt temporalis
42. preferred choice of brushing in disease
(a)roll
(b)scrub
(c)sulcular
(d)vibratory
43. gum hypertrophy seen in -
(a)nifedipine
(b)
(c)
(d)
44. tobacco chewing most ass. with -
(a)ANUG
(b)desquamtive gingivitis
c)juvenile periodontitis
(d)
45. green stain in child. cause -
(a)chromogenic bacteria
(b)plaque
(c)materia alba
(d)
46. desquamative gingivitis - feature
(a)hyperkeratoses
(b)enlaged rete pegs
(c)loss of base. membrane
(d)
47. min lobes to form a tooth
(a)2
(b)3
(c)4
(d)5
48. dentin hypoplasia + areas of interglobular dentin etc etc?
(a)Dent. Imperf
(b)Dent. dysplasia
(c)Odontodysplasia
(d)dentin hypocalcification
49. chronic pulpal involvement in primary tooth - first sign?
(a)fuzziness in furcation area
(b)changes in apical area
(c)
(d) resorption
50. failure of formocresol pulpotomy?
(a)internal resorb
(b)discolouration
(c)obliteration of pulp canal
(d)pain
51.% of NaOCl in cariosolv?
(a)0.5-1
(b)1-5
(c)5
(d)10
52. chemically activated resin - P/L ratio ?
(a)3:1 by vol, 2:1 by wt
(b)2:1 by vol, 3:1 by wt
(c)1:3 by vol, 1:2 by wt
(d)2:1 by vol, 1:3 by wt
53. cold cure resin - activator is
(a)dibutyl pthalate
(b)dimethyl p-toluidine
(c)glycol dimethacrylate
(d)benzoyl peroxide
54. reverse bevel incision is given to-
(a)remove pocket lining
(b)to reach alv crest
(c)raise marg. gingiva
(d)all
55. Yt laser - false is
a) used in periodontal surgery
b )generated @ rapid pulse
c)absorbd by pigmented cell
(d) wave length is 10,400 um
56.Periodontal surgery best performed -
a)1 month after completion of hygenic phase
(b)4 week before completion of ocllusal adjustments
(c)8 week after completion of restorative phase
(d)immediately after completion of hygienic phase
57. rhabdomyocarcoma - sarcoma of
(a)smooth mus
(b)striated mus
(c)minor salivary glands
(d)
58. proximal caries - ortho problem?
(a)loss of arch length
(b)loss of tooth
(c)gaining of arch length
(b)loss of transverse arch width
59. traumatic occlusal force and changes in bone
(a)o.b. in pressure area o.c. in tension area
(b)o.c. in pressure area o.b. in tension area
(c)osteoid in pressure area o.b. in tension area
(d)functional atrophy
60. role of plaque most obscure in
(a)juvenile pd
(b)ANUG
(c)desquamative gin
(d)pregnancy gin
61. not found in periodontitis
(a)bacteroides
(b)wolinella
(c)neisseria
(d)
62. to measure periodontal disease
(a)PMA index
(b)gingival index
(c)peridontal index
(d)sulcus bleeding index
63. occurence of malocclusion in a given population termed as
(a)incidence
(b)prevalnece
(c) mortality
(d)probability
64. clinically apical end of sulcus is -
(a)JE
(b)CEJ
(c)apical end of probe
(d)alv crest
65. root canal filled in a ging recession case
(a)1mm apical to recession
(b)1mm apical to CEJ
(c)1mm below canal opening
(d)
66. apical migration of JE + marginal ging
(a)shallow pocket
(b)true pocket
(c)intrabony
(b)suprabony
67. CPITN measures
(a)full arch
(b)quadrant
(c)sextant
(d)full dentition
68. prion - true is
(a)readily inactivated by autoclave at 121C
(b)evokes strong immunologic reaction
(c)sensitive to most chemical sterilization
(d)contains DNA/RNA
69. hand piece not sterilized in
(a)autoclave
(b)gamma ray
(c)dry heat
(d)ethylene oxide
70. during your cleaning and shaping procedure, files kept in cleansing agent
a) 15 sec. In glass bead
b) 30 sec. In glass bead
c) sodium hypochlorite
d) chlorhexidine
71. GIC binds to tooth via
(a)polycarboxyl groups
(b)carboxyl groups
(c)metal ions
72. hyaline zone is
(a)cell free zone Hist. similar to hyaline appearance
(b)change to hyaline catilage
(c)lamina dura converts into hyaline cartilage
(d)periodontal ligament changes to hyaline cartilage
73. in ortho wire -
(a)F=D4/L3
(b)f= d1/;i
(c)f=d8/l8
(d)
74. nerve tissue growth completes in
(a)6-7yrs
(b)10-12yrs
(c)14-16yrs
(d)18yrs
75. ulner sesamoid bone calcification starts in
(a)puberty
(b)prepubertal growth spurt
(c)birth
(d)3 months after birth
76. TMJ ankylosis - most common cause
(a)infection
(b)trauma
(c)hereditary
(d)idiopathic
77. nerve supply of buccinator
(a)V
(b)VII
(c)IX
(d)XII
78. disposal of yellow bag material in hospital
(a)burial
(b)autoclave
(c)incineration
(d)
79. basal cell CA commonly in -
(a)upper 3rd face
(b)middle 3rd face
(c)lower 3rd face
(d)lower lip
80. plaque forms after brushing
(a)in few mins
(b)1/2-2 hrs
(c)3-4 hrs
(d)6 hrs
81. polishing with
(a)silicon carbide
(b)27um alumina
(c)50um alumina
(d)sodium bicarbonate
82. periodontometer checks
(a)mobility
(b)furcation
(c)pocket
(d)
83. most common -
(a)cleft lip
(b)a+cleft alveolus
(c)b+cleft palate unilateral
(d)b+cleft palate bilatral
84. last resort for anaesthesia
a intraligamentary
b intrapulpal
c supraperiosteal
d gowe gates
85. interdental col :
A.is covered with NON keratinized
B.harbours bacteria
C.difficult to clean
D. All
86 ground substance breakdown in pdl caused by enzyme
a collagenase
b hyaluronidase
87. Dental flossa
a.Type 1 embrasure
b Type 2
c Type 3
d All
88. neonatal teeth are
a present @ birth
b present 180 days aftr birth
c within 45 days of birth d
d. within 30 days of birth
89. unknown abnormal sensation is:
a) dysaethesia
b) anesthesia dolorosa
c) alodynia
d)causelsia
90most accepted theory of dentinal pain
a.hydrodynamic
b.gates control and vibration theory
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