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AHEAD Test and Discussions AIIMS SIMULATED TEST III1. Which of these is indicated in highly carious ouths!

a. Starting with few restorations in a mouth in which the caries process is still active

b. Repeated restorations in failed casesc. Managing a child's grossly carious teeth by multiple extractionsd. Fluoride varnish applications or disclosing agents

". Where a child has ulti#le o#en ca$ities% &hat is thestrategy to 'e follo&ed!a. Attempt is made to render the cavities caries free

b. Infected tissue is removed under local anesthesiac. he provision of long definitive treatment is maded. Minimal tissue is removed allowing placement of temporary

dressing

(. What is &rong in the order in &hich ite s of o#erati$e careare #ro$ided!a. Small! simple restorations should be completed first

b. "xtractions should be the first itemsc. #uadrant dentistry should be practicedd. "ndodontic treatment should follow completion of simple

restorative treatment

). Which of these &ill you restore first!

a. Maxillary anterior b. Maxillary posterior teethc. Mandibular anterior d. Mandibular posterior teeth

*. Which of the follo&ing is not true regarding the need for arecall in #ediatric #atients!a. Rate of progression of dental caries can be more rapid in

children than in adults b. erosive tooth wear is faster in primary than in permanent

teethc. periodic assessment of oro facial growth and the

developing occlusion is re$uiredd. Monitoring of periapical lesions including cysts around

erupting teeth

+. Which of these should not 'e duration of a recall $isit!a. % months b. & months c. ( months d. &) months

,. The #rocess of dental caries consists of aa. *issolution of enamel matrix by proteolytic bacteria and

destruction of dentin by acidogenic microorganism b. *eminerali+ation of tooth substance and lysis of organic

elements by an adherent community of micro,organisms.c. *issolution of enamel and dentin by acids produced by

bacteria.d. *issolution of tooth by acids exclusively

-. A constant feature associated &ith radicular cyst isa. Impacted tooth b. Missing toothc. -on vital tooth d. Anomalous tooth

. A #atient e/hi'its ar0ed attrition of deciduous and #er anentteeth and radiogra#h re$eals a ar0ed tendency to&ardso'literation of any #ul# canals. The #atient s other and'rother also ha$e history of this condition. The ost li0elydiagnosis isa. "namel hypoplasia b. *entinogenesis imperfectac. Mottled enamel d. "namel hypomaturation

12. A )* yr old #t. co es to a dental clinic &ith a #us drainagethrough the a#ical region of the lo&er left first olar. This tooth issy #to less and is a'solutely discoloured. Histo#athogenesisre$eals the #resence of hyaline eosino#hilic 'odies along &ith the#resence of cholesterol crystals. 3adiogra#hic features sho&sround or o$oid &ell circu scri'ed radiolucency at the roota#e/.These findings &ould suggest

a. Radicular cyst b. *entigerous cystc. eratocyst d. Simple bone cyst

11. The radiogra#hic e/a ination of a 12 year old child disclosed acircu scri'ed radiolucent lesion "c in dia eter in lo&er rightolar region. Scallo#ing is a #ro inent feature #articularly

around and 'et&een the roots of teeth. The lesion &as shar#lyoutlined 'ut lac0ed a radio4o#a5ue #eri#hery &as so e&hatirregularly sha#ed and e/tended * to + a'o$e a#ices of olarsand 12 inferiorly to&ards the lo&er 'order of andi'le.There is no e#ithelial lining.a. *entigerous cyst b. Radicular cystc. eratocyst d. Solitary bone cyst

1". 6orlin s syndro e isa. Autosomal dominant trait associated with /eratocyst

b. Autosomal recessive trait associated with /eratocystc. 0 lin/ed recessive trait associated with /eratocystd. 0 lin/ed dominant trait associated with /eratocyst

1(. A triad of sy #to s including recurring oral ulcers%recurring genital ulcers% and eye lesions are feature of a. Steven 1ohnsons syndrome b. 2eh3et4s syndromec. 5steoartheritis d. Aperts Syndrome

1). MA6I7 Syndro e has all of the follo&ing feature e/ce#ta. Mouth ulcer b. 6enital ulcer c. "rythema Multiforme d. Inflammed cartilage

1*. Har#engina can 'e distinguished fro #ri ary her#es si #le/$irus infection 'y all of the follo&ing features e/ce#ta. 7erpangina occurs in epidemics8 7S9 infections do not.

b. :esions of herpangina occur on the pharynx and posterior portions of the oral mucosa whereas 7S9 primarilyaffectsthe anterior portion of the mouth.

c. :esions of herpangina tend to be bigger than those of7S9.

d. 7erpangina does not cause a generali+ed acute gingivitis

li/e that associated with primary 7S9 infection.1+. Which of the follo&ing has the clinical features of

Unilateral $esicles on an erythe atous 'ase chieflyoccurring along the course of the ner$e!a. ;hic/enpox b. Acute lymphonodular pharyngitisc. 7erpes Irrigation b. ;urettage c. 7ydrogen peroxide &.?to @in water mouth rinses thrice a day d. Antibiotics1 . It is no longer a##ro#riate to routinely #lace 'ands on all

teeth that are to recei$e fi/ed attach ents 'ecause a. 2onded attachments are less irritating to gingival b. 2onded attachments are less prove to produce decalcification c. 2oth aB > bB d. 2onded attachments are more esthetic

"2. All of the follo&ing are the indications for 'anding rather than'onding e/ce#t onea. eeth that will receive heavy intermittent forces against the

attachments b. eeth with short clinical crownsc. eeth that will need both labial > lingual attachmentsd. eeth with :ong clinical crowns

"1. The gingi$al argin of the 'and should

Academy of Higher Education and Advancements in Dentistry (A.H.E.A.D)&

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AHEAD Test and Discussions AIIMS SIMULATED TEST IIIa. go slightly subgingival

b. clear the gingival margin by at least mmc. clear the gingival margin by more than mmd. Remain slightly supragingival

"". A 'rass &ire se#arator is nor ally left in #lace fora. & C hrs b. & C daysc. ? C D days d. &E C & days

"(. Se#arating s#rings &hich e/ert a scissors action a'o$eenough for 'anding in a##ro/i atelya. & day b. & wee/c. wee/s d. % C = wee/s

"). The necessary force to seat a #refor ed 'and should 'esu##lied 'ya. Masticatory muscles of the patient

b. Arm strength of the dentistc. Arm strength of the dental assistantd. ongue pressure of the patient

"*. Sterili:ation i #liesa. *estruction of pathogenic bacteria

b. *estruction of non,pathogenic bacteriac. *estruction of bacteria and virusesd. *estruction of all forms of microbial and viral life

"+. In an autocla$e% ini u re5uired te #erature to#ositi$ely destroy all li$ing organis s isa. &%=E F b. & &E F c. & &E ; d. &%=E ;

",. ;lash ethod of stea sterili:ation i #liesa. 7eating at &%= E F for % minutes

b. 7eating at &%= E ; for % minutesc. 7eating at & & E F for % minutesd. 7eating at & & E F for E minutes

"-. All of the follo&ing are true e/ce#ta. *ry heat can be used to sterili+e dental handpieces!

powders! oil etc. b. It is also a good method of sterili+ation for ob ects thatcan4t withstand steam or boiling water

c. ;ompared to moist heat! it is a rapid method of sterili+ationd. *ry heat do not attac/ glass and will not rust instruments

" . Which of the follo&ing #rocedure is 'oth diagnostic as &ellas curati$ea. "xfoliative cytology b. Gunch 2iopsyc. Incisional 2iopsy d. "xcisional 2iopsy

(2. Which of the follo&ing #rocedure is least in$asi$ea. "xfoliative cytology b. Gunch 2iopsyc. Incisional 2iopsy d. "xcisional 2iopsy

(1. Accurately recorded centric relation aids in #ro#erad

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AHEAD Test and Discussions AIIMS SIMULATED TEST IIIa. Abduction of the forearm b. Adduction of the forearmc. Flexion of the forearm d. Gronation of the forearm

)2. An other&ise healthy student ta0ing no edications isconcerned 'ecause he has noticed se$eral #ainless unifor?large 'u #s? at the 'ac0 of his tongue. These are ostli0elya. Aphthous ulcers b. ;andidal coloniesc. ;ircumvallate papillae d. Filiform papillae

)1. Atte #ts to straighten out a fle/ed thigh cause great #ain ina #atient &ith a##endicitis. This is due to the #osition of thea##endi/ near &hich uscle!a. Adductor magnus b. 2iceps femorisc. 6luteus maximus d. Gsoas ma or

)". Which of the follo&ing structures does the fetal allantoicduct 'eco e in the adult!a. ;loaca b. Medial umbilical ligamentc. Hrachus d. Hreter

)(. Under nor al conditions% the ain dri$e for res#iration is thea. Arterial G;5 acting through central chemoreceptors

b. Arterial G;5 acting through peripheral chemoreceptorsc. Arterial p7 acting through central chemoreceptorsd. Arterial p7 acting through peripheral chemoreceptors

)). Which of the follo&ing ty#es of ner$e fi'ers carry #ain thatis aching% 'urning% so eti es thro''ing% and #oorlylocali:ed!a. 6roup II fibers b. 6roup III fibersc. ype ; fibers d. Substance G

)*. If a drug is ta0en that sti ulates sy #athetic cholinergicneurons% &hich of the follo&ing res#onses is e/#ected!a. 2radycardia b. 2ronchoconstriction

c. *iaphoresis d. Increased gastrointestinal motility

)+. If a drug is ta0en that sti ulates sy #athetic cholinergicneurons% &hich of the follo&ing res#onses is e/#ected!a. 2radycardia b. 2ronchoconstrictionc. *iaphoresis d. Increased gastrointestinal motility

),. @ne hour 'efore a dental #rocedure a #atient recei$es four*224 g a o/icillin ca#sules. @n arri$ing at the dental officethe dentist notices that the #atient has aculo#a#ular rashand is &hee:ing. The effector cell in this ty#e ofhy#ersensiti$ity is a nBa. "osinophil b. Mast cell c. Mega/aryocyte d. -eutrophil

)-. An increase in &hich of the follo&ing is the ost li0elye/#lanation for the s&elling in the legs seen &ith congesti$eheart failure!a. Interstitial colloid osmotic pressure b. :ymph flowc. Glasma colloid osmotic pressure d. Right atrial pressure

) . An infant diagnosed &ith #henyl0etonuria &ould 'ee/#ected to 'e deficient in &hich of the follo&ingnonessential a ino acids% assu ing that it is not o'tainedfro dietary sources!a. Asparagine b. ;ysteine c. 6lutamine d. yrosine

*2. Which of the follo&ing cofactors is re5uired fordecar'o/ylation of al#ha40etoacids!

a. 9itamin 2& ' . 9itamin 2 c. 9itamin 2% d . 9itamin 2? *1. Al'inis is a disorder in$ol$ing &hat su'stance!

a. Aromatic amino acids b. 2ranched chain amino acidsc. 6lycolipids c. 6lycoproteins

*". A &o an $egetarian is found to ha$e a se$ere ri'ofla$indeficiency. The function of &hich of the follo&ing en:y esin the citric acid cycle &ould 'e ost directly affected 'ythe ri'ofla$in deficiency!a. Aconitase b. ;itrate synthasec. Isocitrate dehydrogenase d. Succinate dehydrogenase

*(. Which of the follo&ing #airs of en:y es is re5uired for the#rocess of gluconeogenesis!a. Fructose,&!(,bisphosphatase and pyruvate carboxylase

b. 6lucose,(,phosphatase and phosphofructo/inase,&c. 6lucose,(,phosphatase and pyruvate dehydrogenased. Ghosphoenolpyruvate carboxy/inase and gluco/inase

*). 7yanide #oisoning &ill directly affect &hich ana'olic#rocess!a. 2rea/ing of covalent bonds in glucose molecules

b. Formation of carbon dioxidec. Formation of 6 G from 6*Gd. Movement of hydrogen ions through channels in the

respiratory en+ymes

**. 6lo'al eradication of Ly e disease is unli0ely in theforeseea'le future 'ecause Correlia 'urgdorferia. ;an be maintained in nature indefinitely by a tic/ vector

b. 7as a tough outer coat that is resistant to environmentalstresses

c. 7as humans as its primary reservoird. Is resistant to antibiotics and disinfectants

*+. A #atient e/#eriences a se$ere 'ite &ound fro a #it 'ull.He recei$es a 'ooster in

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AHEAD Test and Discussions AIIMS SIMULATED TEST III+2. A "(4year4old &o an has To/ic Shoc0 Syndro e. A diffuse

erythe atous rash &ith areas of des5ua ation o$er thehands and feet is noted. Infection &ith &hich of thefollo&ing agents is the ost li0ely cause of these signs andsy #to s!a. ;lostridium perfringens b. 7I9,&c. Shigella dysenteriae d. Staphylococcus aureus

+1. Dia eter of 'ristle in soft tooth 'rush is=a. E.& mm b. E. mm c. E.%mm d. E.=mm

+". De'ris fro orthodontic a##liances and fi/ed #rosthesis isore efficiently re o$ed 'ya. Manual tooth brush b. Rinsingc. 5ral irrigation device d. Gowered brush

+(. 1g of #la5ue net &eightBcontains ho& any 'acteria!a. x &E % b. x&E ) c. x&E && d. x &E &%

+). @/ygen tension in a #eriodontal #oc0et isa. &, @o b. ?,&E@ o c. &E,&? @ o d. &?, E@ o

+*. Which of the follo&ing is incorrect!a. Microbes that need positive eh for viability are aerobes

b. hose that need Cve eh are anaerobes

c. 5lder pla$ue eh is C&=& mv d. 5lder pla$ue eh is C=&mv++. At &hat le$el does ucogingi$al line lie interdentally fro

the le$el of crest of al$eolar 'one b. %mm b. =mm c. ?mm d. Dmm

+,. In co #lete denture #atients incisal guidance is not #resentand it is ar'itrarily set using a standard incisal guide $alue&hile arranging the anterior teeth. Which of the follo&ingstate ent is incorrecta. A steep inclined plane! is detrimental to the stability e$uilibrium

of the denture,base hence the incisal guidance should be as flat asaesthetics and phonetics will permit.

b. hen the arrangement of the anterior teeth necessitates a verticaloverlap! a compensating hori+ontal overlap should set to preventdominant incisal guidance anterior interferenceB from upsettingthe occlusal balance on the posterior teeth.

c. If the incisal guidance is steep! it re$uires steep cusps! a steepocclusal plane! or a steep compensating curve effect an occlusal

balance.d. he angle formed by this protrusive path to the vertical plane is

called as the incisal guide angle.

+-. The occlusal #lane is deter ined 'y the lo&er anterior teeth andthe co issure of the outh. Which of the follo&ing state enta'out setting u# of the denture occlusal #lane is incorrecta. he occlusal plane should terminate posteriorly at the unction

of anterior one,third and posterior two,third of the retromolar pad.

b. he parotid papilla is on the average %.% mm above theocclusal plane and it can be used as a guide for establishing theheight of the occlusal plane.

c. If the occlusal plane is too low! then the tongue can overlap thelower teeth and cause tongue bitting.

d. From cuspid to cuspid! the rim is inclined slightly bac/wards.

+ . The lo&er #osterior teeth should not cro&d the tongue orinterfere &ith its nor al function. Incorrect state enta'out tongue #osition &ith res#ect to denture teeth isa. he buccal cusps of the molars are approximately in

vertical alignment with the mylophyoid ridge. b. At rest! after swallowing! the tip of the tongue touches the

lingual surfaces of the lower anterior teeth.c. he lateral border of the tongue will be at the level of the

lingual contour of the lower natural posterior teeth.

d. he dorsal surface of the tongue is nearly level with theocclusal surface of the posterior teeth.

,2. 7ur$e of S#ee cannot 'e co#ied onto the denture in the sa e &ayas seen in natural dentition 'ecause in natural dentition a. ;hristensen4s phenomenon exists.

b. he radii of the curve depends on the angle of the incisalguidance and the condylar guidance.

c. here is no balanced occlusion.d. ;ondylar paths are dependent on M1 anatomy

,1 . hich of the fo##o!ing is 12 a ma"ormechanisms of action for f#uoride incaries inhi3itiona. Increases reminerali+ation of enamel.b. Inhibits carbohydrate metabolismc. Reduces enamel solubility.d. ability to prevent reduction of the p7 of pla$ue

," . A 5arent of a &-year o#d chi#d as6s a3outf#uoride su55#ementation. 2he chi#d!eighs 0 6g and #ives in a f#uoride-deficient area !ith #ess than 0.+ 55m off#uoride ion in drin6ing !ater. hat doyou recommenda. Sodium fluoride! &,mg tablets! to be chewed and swallowed

at bedtime.b. Sodium fluoride! ,mg tablets! to be chewed and swallowed

at bedtime.c. opically applied gels of .E@ -aFd. Mouth rinses of E. @ -aF wee/ly

,(. If dentin &all ha$e 'een dried during 'onding then they

ay 'e re4&etted &ith=a. 6luma densensiti+er b. ater unsaturated applicator tipc. Ghosphoric acid d. "thyl alcohol

,). During con$entional class III tooth #re#aration re aining oldrestorati$e aterial on the a/ial &all should 'e re o$ed e/ce#t=

a. he periphery of remaining restorative material is not intact b. he use of underlying dentin is necessary to effect a stronger

bond c. he tooth pulp was symptomatic pre operative d. "xcavation nearer to the pulp

,*. Initially% the a/ial &all de#th of 'e$eled con$entional classIII tooth #re#aration is

a. E. mm b. E.? mmc. E.D? C &. ? mm d. &. ? mm

,+. Length &ise direction of gingi$al retention groo$e isa. An angle bisects the unction of axial and external walls

b. Garallel the *"1 without undermining the ad acent enamelof dentin support

c. 2oth a > bd. Garallel to the long axis of the tooth

,,. Most used ethods for creating a &or0ing cast &ithre o$a'le dies fro an elastic i #ression re5uire t&o#ours. The first and second #ours are ade toa. Groduce removable dies and establish intra C arch

relationship b. Groduce removable dies

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AHEAD Test and Discussions AIIMS SIMULATED TEST IIIc. "stablish inter C arch relationshipd. Groduce dies with established paths of placement

,-. inde/ syste to a0e dies offers any ad$antages E 7E T=a. he first pour becomes the die segment and can be made

$uic/ly and easily. b. *owel pins can be positioned precisely where needed.c. *owel pins are automatically positioned parallel! which

facilitates die removal.

d. ype = gypsum can be treated to create a more abrasion,resistant die surface by this system

, . An acute a#ical #eriodontitis is found a. Around vital teeth. b. Around non vital teeth

c. Around vital as well as non vital teeth. d. Around teeth with purulent exudates around the apex

-2. Which of these neuroche icals induce a state of hy#era4lgesia in local ner$e fi'er!a. Serotonin b. Grostaglandinc. 2oth of these d. 7istamine

-1. ain &hich is electrical% shoc0ing% short% lasting se$eralseconds 'ut not longer than a inute and is confined to one

side and in$ol$e one di$ision of the ner$e isa. 7erpes +oster b. rigeminal neuralgiac. Myocardial pain d. Impacted tooth or cyst of third molar

-". Latent $irus of her#es :oster resides in thea. Stellate ganglion b. ;ervical ganglionc. Sphenopalatine ganglion d. 6sserian ganglion

-(. As#ects of a #atientFs edical 'ac0ground that ight ha$e'een i #licated in s#ontaneous #ul#al degenera4tion are allof these e/ce#ta. Sic/le cell anemia b. 7erpes +oster c. 9itamin * resistant ric/ets d. 2ells palsy

-). Which of these is not a #ri ary treat ent for hy#ersen4siti$ity!a. Hse of physical agents b. Iontophoresis techni$uec. :aser technology d. "ndodontics

-*. The surface of a high4strength dental stone die &as a'radedduring #re#aration of the &a/ #attern. Ty#e ) gy#su can 'etreated to create a ore a'rasion4resistant die surface 'y a. Immersing the die in hardening solutions resulting in a higher

setting expansion of high,strength dental stone b. Immersing the die in colloidal silicac. Immersing the impression in @ glutaraldehyded. Immersing the die in saturated calcium sulfate dihydrate solution

C slurry water.

-+. A dental stone aster cast for a co #lete denture &as #laced in a'o&l of &ater 'efore it &as ounted on an articulator.Inad$ertently% the cast &as left in the &ater o$ernight. After thecast &as ounted and dried% an unusually rough surfacea##eared. What is the #ossi'le solution to this #ro'lea. Avoid immersing of the cast in water

b. Hse a saturated calcium sulfate dihydrate solution slurrywater to immerse the cast

c. Immersing the cast in colloidal silicad. Mount the cast on the articulator after a gap period of six hours

-,. A gy#su in$est ent &as i/ed &ith &ater in the#ro#ortions as reco ended 'y the anufacturer% 'ut the&or0ing ti e &as too short to in$est the &a/ #attern. All ofthe follo&ing are causes of this #ro'le E 7E T

a. he powder may have been contaminated by water! from highhumidity or a wet dispensing spoon.

b. he temperature of the mixing water may have been higher than% degree celsius.

c. Hnder mixing and too short mixing shortens the wor/ing time.d. he mixing bowl or spatula may have been contaminated with

particles of set investment containing calcium sulfate dihydrate!accelerating the reaction.

--. The 'o/ing edge of a dental stone aster cast &as tri ed on aodel tri er se$eral days after it had 'een #oured. Tri ing&as uch ore difficult than &hen done soon after the dentalstone had set. Why &as the cast ore difficult to tri !a. Soa/ing the cast in slurry water was not done

b. ;ompressive strength of dental stone increases to abouttwice that when wet

c. emperature of water poured on model trimmer was lessthan %? degree celsius.

d. Gouring of the cast was done too rapidly

- . The reco ended total dose of diethylcar'a a:ine DE7Bfor ass drug ad inistration in areas &here W. 'ancroftiinfection is ende ic is=

a. %( mgJ/g body weight b. =( mgJ/g body weight c. (E mgJ/g body weight d. D mgJ/g body weight

2. Which one of the follo&ing re#resents filaria ende icity rate! a. Microfilaria rate b. Filaria disease rate c. Mos$uito infestation rate d. ;ombination of microfilaria and disease rate

1. Match List4I Trace ele entsB &ith List4II Deficiency statesB andselect the correct ans&er using the codes gi$en 'elo& the Lists=

List4I List4IIa. Magnesium &.6rowth failure

b. Iodine . etanyc.

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AHEAD Test and Discussions AIIMS SIMULATED TEST III,. Ad$antages of the #aralleling techni5ue are all of the

follo&ing E 7E Ta. Increased exposure time due to long cone

b. :ittle or no root superimposition on a maxillary molar viewc. Accurate diagnosis of periodontal bone height (given

minimal distortion)d. Image formed is dimensionally accurate

- . Which of the follo&ing is not a disad$antage of the 'isectingtechni5ue!a. Image on x,ray film may be dimensionally distorted

b. Increased exposure timec. *ue to the use of a short cone (which results in divergent

rays), the image is not a true reproduction of the ob ectd. May not be able to udge the correct alveolar bone height

. Which of the follo&ing is a a