AIIMS MAY 2012 MDS PAPER

AIIMS MAY 2012 MDS PAPER 

(FROM PGDOCTORS.COM AND TARGET-MDS IN FACEBOOK) 

1. component from 2nd branchial arch

(a)mandible

(b)muscle of mast

(c)muscle of facial exp

(d)TMJ

2. Main sensory supply of TMJ

(a)masseteric

(b)auriculotemporal

(c) buccal

(d)

3. which blood vessel does not supply phayngotypmpanic 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)

(d)does not depend on capillary blood pressure

6. relapse after rotation due to

(a)horizontal fiber

(b)oblique

(c)apical

(d)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

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)

21. moon facies seen in

(a)cushing

(b)albright

(c)peutz-jeghers

(d)addisons syndr

22. 7 Year old patient in Faridabad Haryana presented with small YELLOWISH spot on the Upper 

right Central incisor. Her mother gives history of injury to deciduous tooth @ age 4, and 

RECURRENT infection . what would is the cause…

(a)turner’s hypoplasia

(b)syphilitic hypoplasia

(c)ricket

(d)GENERALISED 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.ADA TOOTH BRUSH CRITERION..

(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)BACTERIOIDS melaninigenica

(c)S.sanguis

(d)fusobacterium

40.ludwig angina – CLASSIC feature?

(a)trismus

(b)raised tongue

(c)raised ear lobule

(d)

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)

(c)

(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)ATRAUMATIC EXPOSURE to 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. surgery best done -

a)1 month after hygenic phase

(b)4 week before ocllusal adjustments

(c)8 week after restorative phase

(d)immediately after hygienic phase

57. rhabdomyocarcoma – sarcoma of

(a)smooth mus

(b)striated mus

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

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

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

68. prion – true is

(a)readily inactivated by autoclave at 121C

(b)evokes strong immunologic reaction

(c)sensitive to most chemical sterilization

(d)HAVE LONG INCUBATION PERIOD

69. hand piece not sterilized in

(a)autoclave

(b)gamma ray

(c)dry heat

(d)ethylene oxide

70. STRELIZATION OF ENDODONTIC FILES DURING TREATMENT IS USUALLY DONE VY

(a) GLASS BED 5 secs

(b) GLASS BED 30 secs

(c)gauze soaked in NaOCl

(d)gauze soaked in iodoform

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

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)2-4 hrs

(d)6 hrs

81. AIR ABRASIVE SYSTEM USES:

(a)sODIUM CARBONATE

(b)27um alumina

(c)50um alumina

(d)sodium PERBORATE

82. periodontometer checks

(a)mobility

(b)furcation

(c)pocket

83. most common -

(a)cleft lip

(b)a+cleft alveolus

(c)UNILATERAL CLEFT LIP & PALATE

(d)b+cleft palate bilatral

84. last resort for anaesthesia

a intraligamentary

b intrapulpal

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 & ERUPTED WITHIN 30 DAYS OF BIRTH

b present 180 days aftr birth

c ERUPTS within 45 days of birth

89. Nd:YAg false is

a used in periodontal surgery

b.generated @ rapid pulse..sumthinc absorbd by pigmented cellsd 10600nm

90) most accepted theory of dentinal pain

a.hydrodynamic

b.gates control and vibration theory

91) One question was unknown abnormal sensation is:

a) DYSESTHESIA
b) anesthesia dolorosa
c) alodynia
d)causelsia