AIIMS MAY 2012 ( questions taken and modified by @target-mds group by dr.sohail khan courtesy- )

1. component from 2nd branchial archa. mandibleb.muscle of masticationc.muscle of facial expressionsd.TMJ

2. sensory supply of TMJ is mainly througha.masseteric nerveb.auriculotemporalc.buccal nerved.

3. which blood vessel does not supply pharyngotypmpanic tube?a.asc. pharyngeal arteryb.asc. palatine arteryc.middle meningeald.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(c)<cap bl pr(d)does not depend on capillary blood pressure

6. relapse after rotation in orthodontic tooth movement is due to(a)horizontal fibers(b)oblique(c)supraalveolar group of fibers(d)apical

7. ortho wire - energy storage related most closely to(a)range(b)formability(c)resilience(d)proportional 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)plaster of paris(c)ZnO eugenol(d)dental wax

10. annealing is(a)hardening heat trt(b)softening heat trt(c)precipitating heat treatment(d) stress relieving heat treatment

11. legionella pneumophillia disease - false is(a)Ab in urine is diagnostic(b) present in aqulatic environment(c)can infect ameba intracellularly(d)person to person 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)T1N0M0(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 of 7 nerve 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.brown spot localized on 21, mother gives history of trauma in the decidous teeth of that region previously, the most common cause of this condition will be:(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 (PRABHAKRAN direct pick)(a)7 days(b)15(c)30(d)60

28.ideal brush acc to WHo (PRABHAKARAN DP)(a)1-11/4" length, 5/16-3/8 " dia, 2-4 rows, 5-12 tufts(b)(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 (PRABHAKARAN)(a)Lt max arch(b)Rt max arch(c)Lt mand arch(d)Rt mand arch

31. cervical erosion,in non carious and unstable acid ersion cases - 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 form is preferred(a)easy to control over aplication(b)conc of acid(c)washing easy(d)

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? (PRABHAKARAN)(a)neutrophil chemotactic defect(b)(c)

(d)

39. Which is seen in pregnancy gingivitis?(a)A.a.comitans(b)bacteroids.melaninigenica(c)S.sanguis(d)fusobacterium

40.ludwig angina -best characterisitc feature?(a)trismus(b)raised tongue(c)raised ear lobule(d)

41.mand deviates toward Rt side on protrusion - muscle which is not contracting is(a)Rt Lt pterygoid(b)Lt Lt pterygoid(c)Rt temporalis(d)Lt temporalis

42. preferred choice of brushing in periodontal patients(a)roll(b)scrub(c)sulcular(d)horizontal scrub and vibratory

43. gum hypertrophy seen in -(a)nifedipine(b)(c)(d)

44. tobacco chewing most ass. with - (PRABHAKARAN)(a)ANUG(b)(c)(d)

45. green stain in child. cause by - (PRABHAKAR)(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. each tooth is formed from more than one lobe. minimum number of lobes to form deciduous tooth is(a)2(b)3(c)4(d)5

48. dentin hypoplasia + widening of predentin layer and 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)radiolucency in furcation area(b)changes in apical area(c) resorption(d)

50. failure of formocresol pulpotomy, 1st sign is?(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. polymer to monomer ratio in acrylic resin is ?(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. ND:YAG laser - false is(a)used in periodontal surgery(b)radily absorbed in pigmented areas(c)can be used in free running pulse mode(d) wave length is 10,400 nm

56. perio 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 - malignant neooplasm of(a)smooth mus(b)striated mus(c)(d)

58. proximal caries - orthodontic 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(PRABHAKARN)(a)juvenile pd(b)ANUG(c)desquamative gin(d)pregnancy gin

61. not found in periodontitis (pRABHAKARAN)(a)bacteroides(b)wolinella(c)neisseria(d)eikinella

62. to measure periodontal disease in a large population surveys... (PRABHAKARAN)(a)PMA index(b)gingival index(c)peridontal index(d)sulcus bleeding index

63. occurence of malocclusion in a given population is best described by the terma. prevalence rate(b)incidence rate(c) mortality(d)probability

64. clinically apical end of sulcus is - (prABHAKARAN)(a)JE(b)CEJ(c)apical end of probe(d)alv crest

65. root canal filled in a ging recession case (PRABHAKARAN)(a)1mm apical to recession(b)1mm apical to CEJ(c)1mm below canal opening(d)

66. apical migration of JE + marginal ging (PRABHAKARAN)(a)shallow pocket(b)true pocket(c)intrabony(b)suprabony

67. CPITN measures the scoring in refference to(a)full arch(b)quadrant(c)sextant

(d)

68. prion - true is(a)readily inactivated by autoclave at 121C(b)highly immunogenic(c)sensitive to most chemical sterilization(d)contains nucleic acids

69. hand piece not sterilized in(a)autoclave(b)chemical sterlization(c)dry heat(d)ethylene oxide

70. files are cleaned betwen the procedure by:(a)15 secs(b)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(d)

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. motor nerve supply of buccinator(a)V

(b)VII(c)IX(d)XII

78. disposal of yellow bag material in hospital, acc. to BMWM rule....(a)burial(b)autoclave(c)incineration(d)

79. rodent ulcer commonly seen in -(a)upper 3rd face(b)middle 3rd face(c)lower 3rd face(d)lower lip

80. plaque forms afterscaling and polishing... (PRABHAKARAN)a. 1/2 to 1 hour(b)10 min(c)3-4 hrs(d)6 hrs

81. polishing agent most commonly used is(a)silicon carbide(b)27um alumina oxide(c)50um alumina oxide(d)sodium bicarbonate

82. periodontometer checks (PRABHAKARAN)(a)mobility(b)furcation(c)pocket(d)

83. most common type of cleft lip and palate anomally... -(a)cleft lip(b)a+cleft alveolus(c. cleft lip+cleft palate unilateral(d) cleft lip+cleft palate bilatral

84. dental foss should be ideally used in:a. type 1 embrassureb. type 2c. type 3d. all of above