Aiims Nov 2007 (Dental)

8/12/2019 Aiims Nov 2007 (Dental)

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AIIMS Nov 2007 Test Paper

ANATOMY

1. Which one of the following is a junction of frontal, parietal, temporal & greater wing of sphenoidbone?A. Pterion

B. Lambda. !erte"

#. $nion.

1. Answer is% A Pterion.

'(ef% B.#.haurasia )rd !ol )rd *d+ pg -. (epeat A$P/0.

. A nons2no3ial joint with dense connecti3e tissue between two bon2 surfaces is termed as%

A. 42nchondrosisB. 42ndesmosis

. 42mph2sis

#. 4uture.

. Answer is% # 4uture.'(ef% ra25s Anatom2 )6th *d+ pg 1/)-.

PHYSIOLOGY

). L2sis of fibrin is brought about b2%A. PlasminB. 72aluronidase

. ollagenase#. oagulase

). Answer is% A Plasmin.

'(ef. 8.#. 9ripathi:th *d+ Pg :06-

;. th *d + :>>6/-

0. Which one of the following statements is true when a normal person lies down?A. 9he heart rate settles abo3e that of normal.B. 9here is an immediate increase in the 3enous return.


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. erebral blood flow increases.#. Blood flow to ape" of the lung decreases.

0. Answer is% B 9here is an immediate increase in the 3enous return.'(ef% anong 1>th + :>-

. A comple" factor mucopol2saccharide present in lung and li3er that also pre3ents coagulation of

blood is%A. 7eparin.

B. Plasmin. Acet2lsalic2lic acid.#. 7istamine.

. Answer is% A 7eparin.'(ef% 8.#. 9ripathi :th + :01-

>. About . Answer is% B$t acts 3ia c2clicAP.'(ef% 7arper ;th *d + 066. 8#9 :th *d + ;>6-

BIOCHEMISTRY

6. Pol2 nsaturated =att2 Acids are present in all of the following e"cept%

A. ustard oilB. orn oil

. round nut oil.#. =ish oil.

6. Answer is% Austard il.

'(ef% Par@ 10th + Page ;/-

1/. $ron is present in all of the following e"cept%A. 2oglobin.

B. atalase.. 2tochrome.

#. P2ru3ate @inase.

1/. Answer is% # P2ru3ate @inase'(ef% Par@ 11th *d +Pg ;;6- (epeat A$P/0

11. *nC2me that regulates the con3ersion of ethanol to acetaldeh2de is%

A. Alcohol deh2drogenase.B. Acetaldeh2de deh2drogenase.

. atalase.#. Danthene o"idase.

11. Answer is% A Alcohol deh2drogenase.'(ef. 8.#.9. :th + ):1-

1. Which of the following enC2me at a p7 of >.0 has a function in bone mineraliCation andh2drol2sis of phosphoric esters?

A. Acid phosphatase.B. Al@aline phosphatase.


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. ollagenase.#. 72aluronidase.

1. Answer is% B Al@aline phosphatase.'(ef. 7arper ;th *d + Page 0>/-

1). Amino acid residue used in detection of strength of ollagen%A. Proline

B. 72dro"2proline. l2cine

#. 72dro"2gl2cine.

1). Answer is% B 72dro"2proline.

'(ef% 7arper ;th + 006-

DENTAL MATERIALS

1;. 9he angle between adhesi3e & adherent is Cero degree. 9his indicates%A. (ough surface between adhesi3e & adherent.B. Presence of irregularities between the adherent surfaces.

. omplete wetting of the surfaces.#. olecules of adhesi3e & adherent are at a tangent to each other.

1;. Answer is% omplete wetting of surfaces'(ef% Phillips11th *d+Pg ), Phillips1/th *d+Pg >- (epeat A$$4AE/0.

1:. Which of the following is true regarding lathe cut sil3er allo2?A. 7as low creep.B. (eFuires least amount of mercur2.

. 7as tensile strength, both at 1: mins & da2s comparable to high copper nicompositionalallo2s.#. Achie3es lowest compressi3e strength at 1 hour.

1:. Answer is% # Achie3es lowest compressi3e strength at 1 hour.

'(ef% raig, (estorati3e dental materials11th *d+Pg 6:6- (epeat A$P/0.

10. Which of the following is true regarding corrosion of Amalgam restoration?

A. $t can e"tend upto a depth of 1//:// microns.B. #ecreases if tin content of allo2 decreases.. $s promoted b2 gamma phase of allo2 particles.#. $s resisted most b2 coopertin phase in high copper amalgam.

10. Answer is% A $t can e"tend upto a depth of 1//:// microns.'(ef% raig1/th *d+Pg G 4turde3ant ;th+ Pg 1:;- (epeat A$P/0.

1. 3ertrituration of sil3er & mercur2 causes%A. (eduction in contraction.B. $ncreases strength in lathe cut but reduces strength in spherical allo2.

. i3es a dull & crumbl2 amalgam mi".#. #ecreases the creep.

1. Answer is% B $ncreases the strength of lathecut allo2 but reduces the strength of sphericalallo2 amalgam.'(ef% raig 1/th+0, - (epeat A$P/0

1>. Poisson5s ratio is%A. Lateral strain b2 a"ial strain within elastic limit.

B. *Fual to fle"ural strength.


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. $s more in amalgam.#. $s low for gold allo2.

1>. Answer is% A Lateral strain b2 a"ial strain within elastic limit.'(ef. raig 1/th *d + 00, 4@inner 11th *d + >:-

16. 4train is%A.


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;. Which of the following is true about BenCodiaCepines?A. $n higher Fuantities, it is relati3el2 safer than other h2pnotics.

B. Alters the sleep pattern to a great e"tent.. 4timulates hepatic metabolic enC2mes.

#. All ha3e metabolicall2 acti3e substrates.

;. Answer is% A $n 7igher Fuantities, it is relati3el2 safer than other h2pnotics.

'(ef% 8.#.9. :th + )01-

:. $.!. #iaCepam in a patient on the dental chair can cause%

A. 9inel5s sign.B. !erill5s sign.

. Bell5s sign.#. orman5s sign

:. Answer is% B !erill5s sign'(ef. . All of the following lead to se3ere ad3erse effects e"cept%A. #eath.

B. #iabetes.. Prolonged hospitaliCation.

#. $mmobilit2.

>. Answer is% B #iabetes.'(ef% 4till searchingH.-

6. ne of the following can be used in the management of a hemophilic patient%A. Ascorbic acid.B. 9rane"amic acid.. Ascorbic acid.

#. Palmitoic acid.

6. Answer is% B 9rane"amic acid

'(ef. 1- (epeat A$$4AE/0.


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P.S.M & COMMNITY DENTISTRY

)/. (egarding ase control, all of the following are true e"cept%A. (is@ factors can be identified.B. $t can be used in the stud2 of rare diseases.

. $t measures incidence.#. $t reFuires few subjects.

)/. Answer is% $t measures incidence'Par@ 1>th + 0> table 1)- (epeat A$P/0.

)1. Brea@ point chlorination indicates%A. 4tart of chlorination process.

B. *nd of chlorination process.. Point where free residual chlorine starts appearing.#. Point after partial saturation of water with chlorine.

)1. Answer is% Point where free residual chlorine starts appearing.

'(ef% 4oben P nd + >- (epeat A$P/0.

). 4Fuare root of pF+n indicates%A. 4tandard error of mean.B. 4tandard error of difference in means.. 4tandard error of proportion.#. 4tandard error of difference in proportions.

). Answer is% 4tandard error of proportions.'(ef% Par@1>th +0;6- (epeat A$P/0.

)). 9rue regarding (andomiCed ontrolled 9rial%A. Baseline characteristics of inter3ention and control groups should be similar.B. $n3estigator5s bias is minimiCed b2 double blinding.. 7elp ensure that stud2 subjects are a part of the general population.

#. (educe selection bias in allocation of treatment.

)). Answer is% # (educe selection bias in allocation to treatment

'(ef% Par@ 1>th + 0- (epeat A$P/0.

);. All of the following is true regarding informed consent e"cept%A. Patient must be informed about alternati3e procedures & their benefits.B. (is@ factors in3ol3ed in the procedure must be e"plained.

. Benefits of treatment li@el2 to result must be highlighted.#. oncealment of procedures which are beneficial ma2 be done @nowingl2.

);. Answer is% # oncealment of procedures which are beneficial ma2 be done @nowingl2.'(ef% 4oben Peter )rd + )-

):. ood clinical practice is not essential in%

A. Preclinical studies.B. Phase$ studies.. Phase$$ studies.#. Phase$! studies.

):. Answer is% A Preclinical studies.

)0.


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. 1>#. ;

)0. Answer is% A 0.'(ef% 4oben Peter )rd + 1):)0-

ORAL PATHOLOGY

). Pemphigus 3ulgaris is characterised b2%

A. Acanthosis.B. AuspitC sign. Acanthol2sis.#. Wic@ham5s striae.

). Answer is% Acanthol2sis'(ef% 4hafer :th +11>- (epeat A$P/0.

)>. ne of the following is an oral precancerous lesion%A. ral hair2 leu@[email protected]. 7air2 Bcell leu@emia.

. White sponge ne3us.#. 4pec@led leu@opla@ia.

)>. Answer is% # 4pec@led leu@opla@ia'(ef% Bur@et 1/th + Pg 1/- (epeat A$P/0.

)6. $mportant organism causing dentinal caries is%A. 4treptococcus mutans.B. 4treptococcus 3iridans.

. Borrelia 3incenti.#. Actinom2ces actinobacillus.

)6. Answer is% A 4treptococcus mutans.'(ef% 4hafer :th +::- (epeat A$P/0.

;/. $n taurodontism affected teeth e"hibit%A. *longated large pulp chambers, short roots

B. *longated small pulp chambers, short roots.. *longated large pulp chambers, large roots.#. *longated small pulp chambers, large roots.

;/. Answer is% A *longated large pulp chambers and short roots.

'(ef% 4hafer :th + 0/- (epeat A$P/0.

;1. #ens in dente is most commonl2 seen in%

A. PremolarsB. Lateral incisors.. Paramolars

#. a"illar2 canines.

;1. Answer is% B Lateral incisors'(ef% 4hafer :th + :- (epeat A$P/0.

;. A tumor of oral ca3it2 represented as 9)


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;. Answer is% # 4tage $!'(ef% 7arrison10th +:/:-

;). Blanching of the oral mucosa is associated with%A. 4cleroderma.

B. (ibofla3in deficienc2. ral sub mucous fibrosis.

#. 9hiamine deficienc2.

;). Answer is% ral submucous fibrosis.'(ef. 4hafer5s :th *d+ 1)0, ;th *d+ 1/6-

;;. (igidit2 of the oral mucosa is seen with%A. ral sub mucous fibrosis.B. icatricial pemphigoid.. 7ealed lesions of aphthous stomatitis.

#. :-

;0. White patch on the buccal mucosa which disappears on stretching is%A. Leu@opla@ia.

B. White sponge ne3us.. 4cleroderma.#. Leucoedema.

;0. Answer is% # Leucoedema.

'(ef% Bur@et+ 1/th >0-

;. ost common site of occurrence of lateral periodontal c2st is%A. Between ma"illar2 premolars.

B. andibular third molar area.. a"illar2 tuberosit2 area.

#. Between mandibular cuspid & premolar.

;. Answer is% # Between the mandibular cuspid and first premolar.'(ef% 4hafer :th + )- (epeat A$P/0.

;>. $n leu@emic patient bleeding does not stop because of%A. #ecreased platelet count.B. $ncreased WB count.

. $ncreased calcium le3els.#. #ecrease in coagulation factor le3els.

;>. Answer is% A #ecreased platelet count.'(ef% arranCa 6th *d+ Pg 10- (epeat A$$4AE/0.


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;6. $ncreased al@aline phosphatase le3els are seen with%A. Paget5s disease.

B. 72pophosphatasia.. herubism.

#. 72perparath2roidism.

;6. Answer is% A Paget5s disease.

'(ef% 4hafer+ :th 1//1-

:/. $n lead poisoning gingi3al discoloration presents as%

A. Blueblac@ line.B. Eellow line.

. ra2ish blac@ line.#. 4teel gra2 line.

:/. Answer is% A Blue blac@+ ra2ish blac@ line+ # 4teel gra2'(ef% arranCa 6th +)G 4hafer :th *d+;G Bur@et >th+ )/-

:1. #ilaceration occurs due to%A. 9rauma to the tooth germ during root de3elopment.B. Abnormal displacement of the tooth germ during root de3elopment.

. Abnormal displacement of enamel epithelium during tooth de3elopment.#. Abnormal displacement of ameloblasts during tooth de3elopment.

:1. Answer is% A 9rauma to the tooth germ during root de3elopment.'(ef% 4hafer :th *d+ :0- (epeat A$P/0

:. Which of the following is true about Derostomia?A. p7 of sali3a increases.

B. p7 of sali3a decreases.. p7 of sali3a increases in morning & decreases in e3ening.#. p7 of sali3a remains unchanged.

:. Answer is% B p7 of sali3a decreases. 'ost probabl2-'(ef% 4hafer ;th+)));, Bur@et1/th +-.

:). #iagnosis of Periapical emental #2splasia is done b2%

A. !italit2 tests.B. (adiographs.. Percussion.#. *"amination of the lamina dura.

:). Answer is% A !italit2 tests 'ost probabl2-'(ef% White and Pharoah :th + ;6:-

:;. 9oluidene blue stain is used to distinguish between%A. Pemphigus & lichen planus.B. Leu@opla@ia & lichen planus.

. #etection of malignant transformation.

#. andidiasis & leu@opla@ia.

:;. Answer is% #etection of malignant transformation.'(ef% Bur@et 1/th + 1/0-

ORAL RADIOLOGY


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::. (adiographicall2, dri3en snow appearance is seen with%A. Adenomatoid odontogenic tumour

B. alcif2ing odontogenic c2st. alcif2ing epithelial odontogenic tumour

#. 8eratoc2st

::. Answer is% alcif2ing epithelial odontogenic tumour

'(ef% 4hafers :th + )6- (epeat A$P/0.

:0. #isad3antage of a grid is%

A. $ncreases e"posure time.B. #ecreases clarit2.

. auses blurring of image.#. ore s@in dose.

:0. Answer is% A $ncreases e"posure time.'(ef% White and Pharoah :th + >:- A$$40- (epeat A$P/0.

01. Which of the following is the correct reason for facial ner3e injur2 during forcep e"traction?

A. 9he mastoid process is absent at birth


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B. 9he parotid glands is in de3eloping stage. 9he bea@ of the forceps engages the main trun@ of facial ner3e

#. 9he sublingual hematoma during deli3er2 causes neuropra"ia.

01. Answer is% A 9he mastoid process is absent at birth

'(ef% #utta bs and 2nec. :th *d+ :61- (epeat A$$4AE/0.

0. $ncidence of osteoradionecrosis is increased in following cases%

A. *"traction following radiotherap2.B. Leu@aemic patients.

. Patients on h2perbaric o"2gen therap2.#. Derostomia

0. Answer is% A *"traction following radiotherap2.'(ef. /6- (epeat A$P/0

0. Biofilm found on tooth surface is termed as%

A. *namel.B. #ental plaFue.


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. 4ali3a.#. #entinal caries.

0. Answer is% B #ental PlaFue'(ef% arranCa 6th+6- (epeat A$P/0.

0>. Periodontitis that does not resol3e with treatment is termed as%A. Aggressi3e periodontitis.

B. hronic periodontitis.. (efractor2 periodontitis.

#. Iu3enille periodontitis.

0>. Answer is% (efractor2 periodontitis.

'(ef% arranCa 1/th+ ;)-

06. Peripheral buttressing bone formation effect is termed as%

A. Ledges.B. raters.

. 7emiseptum.#. Lipping.

06. Answer is% # Lipping.'(ef% arranCa 6th+ Pg )0,)0:00-

PROSTHODONTICS

/. odification in 8enned25s classification is%A.


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). Answer is% 0 gauge, half pear shaped.'(ef. crac@en5s% 11th *d+Pg )6-

;. orrect indication for a lingual plate is%A. When the lingual sulcus is deep.

B. When the ridge is not strong enough to support the teeth.. When more number of anterior teeth are in3ol3ed.

#. An2 of the abo3e can be an indication.

;. Answer is% When more number of anterior teeth are in3ol3ed.

'(ef. crac@en5s% 11th *d+Pg ;, 01-

:. #isad3antage of a fle"ible major connector is%

A. auses other components of the (P# to become more effecti3e.B. auses o3erload & periodontal destruction of the abutment teeth.. #ecreased retention.#.

:. Answer is% B auses o3erload & periodontal destruction of the abutment teeth.'(ef. crac@en5s% 11th *d+Pg ):)0-

OPERATI!E DENTISTRY

0. Permeabilit2 of dentin does not depend upon%A. 4mear la2er.B. #iffusion coefficient of fluid.

. on3ection of fluid#. Length of dentinal tubules.

0. Answer is% 4till searching

. $ncipient or recurrent caries can be detected before the2 are 3isible on a radiograph b2%A. !isible light.B. ltrasonic light.

. =ibre optic transillumination.#. #igital =ibre optic transillumination.

. Answer is% # #igital =ibre optic transillumination.'(ef. #amle )rd *d+ :1, $nternet references- (epeat A$P/0.

>. (esistance form is that shape of a ca3it2 which%

A. Pre3ents displacement of restoration.B. Permits restoration to withstand occlusal forces.. Pre3ents displacement of restoration & Permits restoration to withstand occlusal forces.#. Allows for adeFuate instrumentation.

>. Answer is% B Permits restoration to withstand occlusal forces.'(ef. 4turde3ant5s% ;th *d+pg 6/-

6. Pin used in pin retained restoration of an endodonticall2 treated tooth is%A. emented.B. =riction loc@ed.. 4elf threaded.

#. An2 of the abo3e.

6. Answer is% A emented pin

'(ef% 4turde3ant nd *d. + Page. )).- (epeat A$P/0.


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ENDODONTICS

>/. 4teriliCation of utta percha points is done b2%A. 7ot salt steriliCerB. Autocla3ing

. hemical solutions#. #r2 heat.

>/. Answer is% hemical solutions.'(ef% rossman11th *d+ Pg 1;/- (epeat A$P/0.

>1. #ifference between ph2sical characteristics of a file & reamer is%A. 9he crosssection of reamers is sFuare and files are triangular in cross section.

B. 9he numbers of flutes on the blade are more in files than in reamers.. 9he reamers ha3e more flutes in the blade.#. =iles ha3e two superficial groo3es to produce flutes in a double heli" design.

>1. Answer is% B 9he numbers of flutes on the blade are more in files than in reamers.

'(ef. rossman 11th *d+ 16:- (epeat A$$4AE/0.

ORTHODONTICS

>. A dentist performed restorati3e procedure in an 11 2ear old child and found that the primar2molars were in 3arious stages of e"foliation with slight anterior crowding present. 7is ne"tappointment should be%A. After three months for obser3ation

B. After si" months for recall chec@up. After one 2ear

#. When all the permanent teeth will erupt

>. Answer is% A After three months for obser3ation'(ef% / paper- (epeat A$$4AE/.

>). (ectangular wire used in edgewise appliance is primaril2 meant for%

A. orrection of crown root positionB. $ncreasing the strength of wire

. orrection of Archlength #eficienc2#. sed for correction of anterior crowding

>). Answer is% A orrection of crown root position'(ef. Proffit nd *d+Pg );)- (epeat A$$4AE/0.

>;. A buccal coil spring is used to regain space between 1st premolar & 1st molar. 9he mostcommon post treatment complication is%

A. PainB. ingi3al irritation

. 9endenc2 for the 1st molar to intrude#. 9endenc2 for the 1st premolar to rotate

>;. Answer is% # 9endenc2 for the 1st premolar to rotate'(ef% / paper- (epeat A$$4AE/0.

>:. Arch space for the eruption of )rd molars is created b2%A. Apposition of al3eolar process

B. (esorption of posterior border of (amus. (esorption of anterior border of (amus.

#. Apposition of lower bod2 of mandible.


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>:. Answer is% (esorption of anterior border of (amus.'(ef. Bhalajhi )rd *d+ Pg ))- (epeat A$$4AE/0.

>0. A>. Pulse o"2metr2 is used for the determination of%

A. (ate of blood flow.B. "2gen saturation.

. Blood 3olume.#. Blood coefficient.

>>. Answer is% B "2gen saturation'(ef. 4hobha 9andon 1st *d+ Pg ))>- (epeat A$$4AE/0.

>6. A nonin3asi3e method to measure the blood flow is%A. *lectric pulp testing.

B. Percussion.. Laser #oppler flowmetr2.

#. (adiographic 3isualiCation.

>6. Answer is% Laser #oppler flowmetr2

'(ef. 4hobha 9andon, 1st *d+ ))- (epeat A$$4AE/0.

6/. =irst to ad3ocate distal shoe in 166%

A. Wilson.B. William.

. Willet.#. (oche.

6/. Answer is% Willet.'(ef% A$$4AE/0, J>0-

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Aiims Nov 2007 (Dental)