Dentistry Exam

8/20/2019 Dentistry Exam

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Dentistry exam

1. For lower premolars, the purpose of inclining the hand piece lingually is to

A. Avoid buccal pulp horn

B. Avoid lingual pulp horn

C. Remove unsupported enamel

D. Conserve lingual dentine

2. For an amalgam Restoration of weakened cusp you should

A. Reduce cusp by 2mm on a fat base or more resistance

B. Reduce cusp by 2mm ollowing the outline o the cusp

C. Reduce 2mm or retention orm

3. Before lling a class ! a"rasion ca#ity with $%& you should

A. Clean with pumice, rubber cup, water and wea acid

B. Dry the cavity thoroughly beore doing anything

C. Acid itch cavity then dry thoroughly

'. (hich of the following statement a"out the defecti#e margins of amalgam

restoration is true)

A. !he larger the breadown, the greater the chance o decay.

*. +he retention in in an amalgam restoration should "e placed

A. "arallel to the outer wall

B. "arallel to the long a#is o tooth

-. +he most common cause of failure of the %D /%nferior Dental er#e0 "lock is

A. $n%ecting too low

B. $n%ecting too high

. (hich one of the following are not used in water uoridation

A. &n'2

B. (.2)* A"'

C. +2&i'2

D. Ca&i'2

. -* &tannous fuoride

. +he "est way to clean ca#ity "efore the placement of $%& is


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A. +22

B. "hosphoric Acid

C. "olyacrylic acid

4. +he most mineralised part of dentine is

A. "eritubular dentine

15. 6 '* year old patient awoke with swollen face, pu7ness around the eyes, and

oedema of the upper lip with redness and dryness. (hen he went to "ed he had

the swelling, pain or

dental complaints. 8xamination shows se#eral deep silicate restorations in the

anterior teeth "ut examination is negati#e for caries, thermal tests, percussion,

palpation, pain, and

periapical area of rarefaction. +he patient9s temperature is normal. +he day

"efore he had a series of gastrointestinal xrays at the local hospital and was

gi#en a clean "ill of health.

+he condition is

A. Acute periapical abscess

B. Angioneurotic oedema

C. $nectious mononucleosis

D. Acute ma#illary sinusitis

. Acute apical periodontitis

11. %nternal resorption is

A. Radiolucency over unaltered canal

B. /sually in a response to trauma

C. Radiopacity over unaltered canal

12. :n replantation of an a#ulsed tooth could see

A. &urace resorption, e#ternal resorption

B. $nternal resorption

C. $nfammatory resorption

D. Replacement resorption

. A, C and D

'. All o the above

13. +he percentage of total dentine surface dentinal tu"ules makein 5.*mm awayfrom pulp is

A. 20*

B. 10*

1'. +he ;unction "etween primary and secondary dentine is


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A. A reversal line

B. &harp curvature

C. A resting line

D. A reduction in the number o tubules

1*. (hat is the correct se


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you should

A. Review again later

B. &tart endodontic treatment

C. #traction o tooth

22. (hat is the main purpose of performing pulp test on arecently traumatisedtooth

A. btain baseline response

B. btain accurate indication about pulp vitality

23. (hat is the main function of 8D+6 in endodontics

A. Decalci:cation o dentine

B. Cleaning debris rom root canal

2'. (hich is :+ +R=8 in relation to the prescription of *mg or 15mg of dia>epam

for sedationA. "atient commonly complain o post operative headache

B. An acceptable level o an#iolytic action is obtained when the drug is given one hour

preoperatively

C. !here is a proound amnesic action and no side aects

D. Active metabolites can give a level o sedation up to - hours post operatively

. As Ben;odia;epine the action can be reversed with 'luma;epil

2*. (hich of the following is +R=8 in regards to high risk patient

A. 0.(ml o blood rom +epatitis B carrier is less inective than 0.(ml o blood rom +$<

patient

B. 0.(ml o blood rom +epatitis B carrier is more inective than 0.(ml o blood rom +$<

patient

C. 6evel o virus are similar in the blood and saliva o +$< patient

D. 6evel o virus in the saliva is not signi:cant or +epatitis B patient

. !he presence o +epatitis B core Antigen in the blood means that active disease is not

present

2-. ?our employer in an attempt to update o7ce sterili>ation procedures@ what

would you recommend as the B8A+ method to #erify that sterili>ation has

occurred

A. /se spore test dailyB. /se indicator strips in each load and color change tape on each pacage

C. /se indicator strips daily and spore test weely

D. /se color change tape daily and spore test monthly

. /se color change tape in each load and spore tests weely


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2. 6 -* year old woman arri#ed for dental therapy. +he answered uate local anaesthesia

2. oss of sensation in the lower lip may "e produced "y

A. Bell?s palsy

B. !raumatic bone cyst

C. !rigeminal neuralgia

D. 'racture in the mandible :rst molar region

. 6udwig?s angina

24. atient recei#ed hea#y "low to the right "ody of the mandi"le sustaining a

fracture there. ?ou should suspect a second fracture is most likely to "e present

in

A. &ymphysis region

B. 6et body o the mandible

C. 6et sub@condylar region

D. Right sub@condylar region

. sub@condylar region

35. Aigns and symptoms that commonly suggest cardiac failure in a patient "eing

assessed for oral surgery are

A. levated temperature and nausea

B. "alpitations and malaise

C. Anle oedema and dyspnoea

D. rythema and pain

. "allor and tremor

31. 6 cyst at the apex of an upper central incisor measuring 1 cm in diameter is

#isuali>ed in radiograph and conrmed "y aspiration "iopsy@ which method oftreatment would you consider

A. #traction o the central incisor and retrieving the cyst through the socet

B. #teriori;ing the cyst through the buccal bone and mucosa C. 7aing a mucoperiosteal

fap and removing the cyst through an opening made in the alveolar bone, ollowed by tooth

removal.

D. 7aing a mucoperiosteal fap and removing the cyst through an opening made in the

alveolar bone, ollowed by endodontic treatment.


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. Routine orthograde endodontic treatment ollowed by observation.

32. 6 persistent oroantral stula for a 12 weeks period following the extraction of

a maxillary rst permanent molar is "est treated "y

A. 'urther review and reassurance since it will most probably heal spontaneously

B. Antibiotic therapy and nasal decongestants

C. Curettage and dressing o the deect

D. #cision o the :stula and surgical closure

. 7a#illary antral wash out and nasal antrostomy.

33. +he most signicant nding in clinical e#aluation of parotid mass may "e

accompanying

A. 6ympha adenopathy

B. odular consistency

C. 'acial paralysis

D. &low progressive enlargement

. erostomia

3'. 6s far as surgical remo#al of wisdom teeth is concerned which of the following

is true

A. "rophylactic prescription o antibiotic reduces dramatically the chances o inection

B. Raising a lingual fap will increases the incidence o neurapra#ia but will reduce the

incidence o neurotmesis with respect to the lingual nerve

C. "rophylactic prescription o de#amethasone will dramatically reduces post operative

swelling

D. $nerior dental nerve in%ury is unliely since the nerve passes medial to the wisdom tooth

root

. !he use o vasoconstrictors in local anaesthetics will increase the chances o inection.

3*. 8ndogenous morphine like su"stance which can control pain is known as

A. Bradyinins

B. "eptides

C. "rostaglandins

D. &erotonins

. nephalins

3-. latelets play an important role in haemostasis@ which of the following

descri"es this role)

A. !hey convert :brinogen to :brin

B. !hey agglutinate and plug small, ruptured vessels

C. !hey initiate :brinolysis in thrombosis

D. !hey supply :brin stabili;ing actors

. !hey supply proconvertin or thromboplastin activation


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3. Auppuration is mainly the result of the com"ined action of four factors@ which

of the following is not one of these factorsA. ecrosis

B. "resence o lymphocytes

C. Collection o neutrophils

D. Accumulation o tissue fuid

. Autolysis by proteolytic en;ymes

3. (hich of the following lesions &6:+ B8 classied as an intraEepithelial

lesion

A. +erpes simple# inections

B. "emphigus vulgaris

C. +erpanginaD. 6ichen planus

. +and, oot and mouth disease

34. %n regards to %! infection, which of the following is the earliest nding

A. Eaposi sarcoma on the palate

B. Reduced haemoglobin

C. $nection with pneumocystic carinii

D. Reduction in white cells count

. B cell lymphoma

'5. (hich of the following is :+ &6R6&+8R%A+%& of trigeminal neuralgia

A. !he pain usually last or ew seconds up to a minute in the early stages o the disease

B. !he pain is usually unilateral

C. "atient characteristically have sites on the sin that when stimulated precipitate an attac

o pain

D. An attac o pain is usually preceded by sweating in the region o the orehead

. $t is a paro#ysmal in nature and may respond to the treatment with Carbama;epine

'1. Benign migratory glossitis or $eographic +ongue, manifests itself in the oral

ca#ity as

-

A. $rregularly outlined areas o hypereratosis o the dorsal surace o the tongue

B. 'urrows outlined the dorsal surace radiating out rom a central groove in the centre o

the tongue

C. 6oss FatrophyG o :liorm papillae in multiple irregularly outlined areas

D. $rregularly outlined erythematous area o hyper trophic ungiorm

. A :brinous e#udate on the dorsal surace


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'. Hrooves F:ssuresG radiating rom a central :ssure

H. $rregular area in the midline o the tongue

'2. (hich one of the following is true a"out oral hairy leukoplakia

A. Associated with +$< virus inection and is commonly seen on the dorsal o the tongue

B. Associated with +$< virus inection and is commonly seen on the lateral side o the tongue

C. /sually caused by Candida species

D. Always associated with trauma to the lateral side o the tongue

. Always associated with pernicious anaemia

'3. (hich of the following ha#e a tendency to recur if not treated

A. Hiant cell granuloma

B. 6ipomaC. 'ibrous epulis

D. +aematoma

. "ulp polyps

''. Basal cell carcinoma is characterised "y

A. Rapid growth and metastasis

B. 6ocal cutaneous invasion

C. $nability to invade bone

D. "oor prognosis

. Radiation resistance

'. Can not metastasise to the bone

'*. &arcinoma of the tongue has a predilection for which of the following sites

A. 6ateral border anteriorly

B. Anterior dorsal surace

C. "osterior dorsal surace

D. 6ateral border posteriorly

. o preerred location

I

'-. 6 patient presents complaining of a stomach upset ' hoursafter starting a

course of anti"iotic for oral infection, this is an example of

A. !ype $ allergic reaction

B. ervous disorder

C. &ide eect o the drug

D. !ype $< hypersensitivity reaction

. "yloric stenosis


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'. +richloroacetic acid, a strong acid, has "een used "y dentists for chemical

cautery of hypertrophic tissue and aphthous ulcers@ its mechanism of action isA. !hermodynamic action

B. Activation o tissue en;ymes

C. smotic pressure

D. "rotein precipitation ""!

. eutrali;ation

'. (hich of the following ad#erse reaction of oral contracepti#es is the most

common and the most serious

A. +ypotension

B. +epatoto#icity

C. /terine neoplasiaD. !hromboembolism disorder

. Decreased resistance to inection

'4. 6 patient who has "een taking


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*2. +he patient whom you are a"out to treat, states that he has !on (ill"rand9s

disease. (hich one of the following

preoperative hematological analysis may refect this disease

A. Bleeding time and actor


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"e the exposure for the same situation with '55mm target to lm distance

A. 0.1s

B. (.0s

C. 2.0s

D. 0.21s

. 0.(21s

*. ?ou wish to purchase a dental M ray machine and ha#e the choice "etween

-5k!p and 5k!p machines. (ith single change from -5k!p to 5k!p what would

the approximate aCects on exposure time

A. o eect

B. +al the time

C. Double

D. Juarter

. !riple the time

*4. (hen no radiation shield is a#aila"le, the operator should stand out of the

primary x ray "eam and a distance from the patient9s head of at 86A+

A. 0.1 metres

B. ( metre

C. (.1 metres

D. 2 metres

. ) metres

-5. +he o"turating material of choice for primary teeth following complete

pulpectomy is

A. 3n phosphate cement and ormcresol combination pasteB. Juic setting hydro#ide cement

C. 3inc o#ide and eugenol cement

D. Hutta@percha

. "olycarbo#ylate cement

-1. (hen primary molars are prepared for stainless steel crowns should the depth

for reduction of the proximal surface "e similar to the depth of the "uccal and

lingual surfaces

A. KesL reduction o all wall is similar or best retention

B. o, pro#imal reduction is greater to allow the crown to pass the contact area

C. o, the buccal suraces has the greatest reduction to remove the cervical bulgeD. Kes, all undercuts are uniormly removed so that the steel crown can be seated

. o, because o lateral constriction, the lingual surace needs greatest reduction

-2. years old child who has sustained a fracture of maxillary permanent central

incisor in which 2mm of the pulp is exposed@ presents for treatment three hours


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C. !reat during growth

D. /se posterior capping

. $ncrease vertical dimension

-. (hich of the following are typical conse


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D. $s a variant pregnancy gingivitis

. $s related to nutritional disturbance

3. +he treatment of ocalised Nu#enile eriodontitis is fre


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D. Assist the biding o lamina dura

. "revents post operative inections

. :f all the factors that increase the resistance of teeth to dental caries +8

H:A+ 8FF8&+%!8 is

A. !he general nutrition o a child during the period o tooth ormationB. !he intae o fuoride during the period o enamel minerali;ation and maturation

C. "eriodic topical fuoride application by dental health care ollowing tooth eruption

D. &u=cient intae o calcium and


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D. !emporal and lateral pterygoid

. !emporal and medial pterygoid

3. +he extraction of maxillary deciduous molar in * years old child@ you should

use

A. 7ostly towards the ape# pressure and some movementB. Rotation

C. Distal pressure and movement

D. 6abial@lingual movement

'. (hat is the purpose of making a record of protrusi#e relation and what

function does it ser#e after it is made

A. !o register the condylar path and to ad%ust the inclination o the incisal guidance.

B. !o aid in determining the reeway space and to ad%ust the inclination o the incisal

guidance.

C. !o register the condylar path and to ad%ust the condylar guides o the articulator so that

they are e>uivalent to the condylar paths o the patient.

D. !o aid in establishing the occlusal vertical dimension and to ad%ust the condylar guides o

the articulator so that they are e>uivalent to the condylar paths o the patient.

(

*. +he pulp horn most likely to "e exposed in the preparation of large ca#ity in

permanent molar tooth is

A. 7esio@6ingual in upper :rst molars

B. 7esio@Buccal in upper :rst molars

C. Disto@buccal in lower :rst molars

D. 7esio@6ingual in lower :rst molars

. 7esio@ Buccal in lower :rst molar

-. +he main factor controlling a decision to increase the occlusal height of teeth

for extensi#e oral reconstruction is whether

A. !he inter occlusal distance will be physiologically acceptable ater treatment

B. !here will be su=cient tooth bul in the abutment teeth or proper retention o the crowns

C. At least two third o the original alveolar process will remain or ade>uate periodontal

support

D. !he aesthetic appearance o the patient will improve su=ciently to warrant the planned

reconstruction

. %n planning and construction of a cast metal partial denture the study cast

A. acilitate the construction o custom5special trays

B. minimi;e the need or articulating


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C. provide only limited inormation about inter ridge distance, which is best assessed

clinically

D. can be used as a woring cast when duplicating acilities are not available

. eriodontal damage to a"utment teeth of partial denture with distal extension

can "est "e a#oided "yA. Applying &tressbreaers

B. mploying bar clasps on all abutment teeth

C. 7aintaining tissue support o the distal e#tension

D. Clasping at least two teeth or each edentulous area

. 7aintaining the clasp arms on all abutment teeth at the ideal degree o tension

4. (hich of these muscles may aCect the "orders of mandi"ular complete

denture

A. 7entalis

B. 6ateral pterygoid

C. rbicularis oris

D. 6evator angulioris

. !emporal

45. Naw relation of an edentulous patient has "een esta"lished .+he maxillary cast

has "een mounted on an articulator without a face "ow. ?ou decide to increase

the occlusal #ertical dimension "y 'mm this will necessitate

A. pening the articulator Mmm

B. A new centric relation to be recorded

C. A change in the condylar guide settings

D. An increase in the rest vertical dimension

41. Following extraction of the molar teeth

A. !he ridge height is lost more rom the ma#illa than rom the mandible

B. !he ma#illary ridge will get more bone lost rom the palatal aspect than the buccal

C. !he mandibular arch is relatively narrower than the ma#illary arch

D. Compared with the pre@resorption state, the mandibular ridge will lose more bone rom

the lingual aspect than the buccal one.

42. (hich of the following is a ma;or disad#antage to immediate complete

denture therapyA. !rauma to e#traction site

B. $ncreased the potential o inection

C. $mpossibility or anterior try in

D. #cessive resorption o residual ridge

43. For dental caries to progress in dentine

A. !he dentine must contain soluble collagen


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B. namel must contain glycoproteins

C. Diet must contain simple carbohydrate

D. Diet must contain polysaccharides

. "ulp must contain complement

4'. Atreptococcus mutans utilise which su"tract to form dextran Refer to BoucherHicro"iology

A. Hlucose

B. 'ructose

C. &ucrose

D. Amylopectin

. De#trans

4*. 6t "irth, some calcied dental tissues are presented

A. All deciduous teeth and all permanent incisors

B. All deciduous teeth and permanent central incisors

C. All deciduous teeth and the :rst permanent molars

D. Deciduous teeth only

4-.(hich one of the following statement is correct

A. !he remnants o Ameloblast contribute to the primary enamel cuticle

B. the last secretion o the odontoblast is cementum

C. !he last secretion o the ameloblast is the ac>uired o enamel cuticle

D. !he remnants o odontoblast orm the primary enamel cuticle

4. +he principle muscle responsi"le for the opening of the mouth is

A. 7ylohyoid

B. Anterior temporal

C. "osterior temporal

D. Anterior belly o digastrics

4. oss of tooth in mixed dentition aCects the

A. &ame >uadrant

B. !he relevant %aw

C. !he whole mouth

D. !he relevant >uadrant

44. (hat are the points that determine the facial line in cephalometric points, /

+he angle of the con#ex facial lineN

A. asion, subnasale, pogonion

B. rbital, sellaO


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155. (hat is the main purpose of using Atress "reakers

A. !o distribute the load between teeth and ridges

B. !o distribute the load between the clasps and the ace end o the saddle

C. $t relieves the abutment tooth o occlusal loads that may e#ceed their physiologic

strength

151. (hat is Hiller9s theory a"out

A. Acidogenic micro@organism

B. "roteolytic

152. +ooth under occlusal trauma shows

A. Bone resorption

B. ecrosis o the pulp

C. +ypercementosis

D. !riangulation

. All o the above

153. (hich is more retenti#e form for anterior "ridge

A. P partial veneer crown

B. Class < inlay

C. "inlay


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15. 6 15 year old "oy presents with small greyish white lesion surrounded "y a

red halos on the soft palate and tonsillar pillars, small #esicles are found. e has

fe#er and pain in the

ear. +he H:A+ pro"a"le diagnosis is

A. +erpangina

15. +he A6 angle on cephalogram, "est signies the relationship of

A. 7andible to cranial base

B. 7a#illa to cranial base

C. 7a#illa to mandible

D. 7andible to porion

. 7a#illa to 'ranort plane

154. 6 child has sustained a traumatic exposure of primary central incisor, he

presents to you for treatment two days after the in;ury. (hich of the following

should "e considered

A. "ulpotomy and CaF+G2

B. "ulpotomy and ormocresol

C. Direct pulp capping

D. "ulpectomy FRC!G

115. years old child presents with all permanent incisors erupted, "ut yet only

three permanent rst molars are erupted. :ral examination re#eals a large

gingi#al "ulge in the unerupted permanent area. 6 panoramic radiograph shows

the al#eolar emergence of the unEerupted permanent rst molar crown and three

fourth tooth de#elopments, there are no other radiographic a"normalities. +hemost appropriate diagnosis and treatment plan in such situation would "e

A. Dentigerous cystL surgical enucleation.

B. $diopathic ailure o eruption, surgical sot tissues e#posure

C. Anylosis o the molar, removal o the :rst molar to allow the second one to erupt into its

place.

D. Anylosis o the molar, surgical sot tissues e#posure and lu#ation o the molar

. $diopathic ailure o eruption, surgical sot tissues e#posure and orthodontic traction.

111. atient presents with rapidly progressi#e root caries on many teeth. (hich

of the following la"oratory results would "e

a possible indicator o this


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A. &timulated salivary secretion rate o (.1ml5min

B. &. mutans concentration o (01 organism5ml

C. A pla>ue sample containing 1* &. mutans

D. A lactobacilli concentration o (01 organism5ml

. &alivary buering "+ 1.1

112. (hich of the following is :+ characteristic of Down9s syndrome

A. Decreased neutrophil unction

B. 7acroglossia

C. 7acrodontia

D. An increased susceptibility to periodontal disease

. Congenitally missing teeth

113. +he H:A+ common carcinoma in the mouth is

A. pidermoid carcinoma 5&>uamous Cell Carcinoma5

B. Carcinoma o the lips

11'. years old child presents with all permanent incisors erupted, "ut yet only

three permanent rst molars are erupted. :ral examination re#eals a large

gingi#al "ulge in the unerupted permanent area. 6 panoramic radiograph shows

the al#eolar emergence of the unEerupted permanent rst molar crown and three

fourth tooth de#elopments, there are no other radiographic a"normalities. +he

most appropriate diagnosis and treatment plan in such situation would "e

A. Dentigerous cystL surgical enucleation.

B. $diopathic ailure o eruption, surgical sot tissues e#posure

C. Anylosis o the molar, removal o the :rst molar to allow the second one to erupt into its

place.

D. Anylosis o the molar, surgical sot tissues e#posure and lu#ation o the molar. $diopathic ailure o eruption, surgical sot tissues e#posure and orthodontic traction.

11*. 12 years old child presents with symptoms of widespread gingi#itis with

"leeding and general malaise for se#eral weeks. ow would you manage this

patient

A. "rescribe 7etronida;ole (00mg

B. 6ocally debride, give oral hygiene instruction and prescribe +22 mouth wash.

C. Hive a prophyla#is with ultra sonic scaling

D. Reer or haematological screening

. Advise or bed rest with supportive and palliative treatment

11-. (hat is the aCect of o7ce dental prophylaxis of regular six month inter#als

on children9s oral health

A. Reduce caries incidence by appro#imately )0*

B. "rovide a long term improvement in oral hygiene


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C. "rovide a short term improvement in oral hygiene

D. "revent gingivitis

. Reduce the need or patient cooperation

11. la


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B. 6arger than the real one

C. !he same si;e

(2). A cusp racture immediate to Class $$ inlay can be detected by

A. +istory

B.


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D. "ulp stone

. All o the above

135. (hich pin system has pro#en to "e the most retenti#e

A. &el tapping threaded pin

B. 'riction pea pinC. Cemented pin

131. Reconstructing the occlusal anatomy is "ased on

A. 'unctional actors

B. Depth o restoration on a tooth

C. ecessity to restore normal anatomy

132. ow do you prepare oor of pulp cham"er in molars

A. &wab and dry with cotton wool and e#cavate

B. /se round bur to fatten the foorC. /nder cut walls

D. /se fat end :ssure bur to mae it leveled

133. (hen do you nish campsite resin restorations

A. $mmediately ater curing

B. Ater 2M hours

C. A wee ater placement

13'. (here &afP au lait spots are seen

A.


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13. Drugs contraindicated with Honoaminoxidas H6:

A. Barbiturates

B. "ethidine

C. 6ocal Anaesthesia with elypressin

D. arcotic analgetics

. &alicylic acid

13. Blow to mandi"le causing fracture in molar9s right side region, you expect a

second fracture of

A. &ub condylar o right side

B. &ub@condylar o let side

C. 'racture o symphysis

134. (hat is the most common fracture of &lass %% amalgam restorations

A. $sthmus because o insu=cient depth

B. $nternal racture

C. 7arginal ridge site

1'5. (hat is the ad#antage of composite o#er silicate resin

A. 6ess shrinage

B. 6ess surace erosion

C. 6ess water absorption

D. All o the above

1'1. +he setting expansion of casting in#estment is approximately

A. 0 to 0.(*

B. 0.( to 0.1*

C. 0.1 to (*

D. (.( to (.*

1'2. +he contraction of gold alloys on solidifying is approximately

A. 0.1*

B. 2.1*

C. (.M0*

D. )*

1'3. +he unEpolymeri>ed monomer in AelfEcured resin is approximately

A. 0.1*

B. 2.1*

C. 1*

D. (0*


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1''. 6 #olume shrinkage of methyl meta cyrelate monomer when is polymeri>ed

A. (2*

B. (1*

C. (-*

D. 2(*

1'*. +reatment of "rous dysplasia consists of

A. Resection

B. Complete e#cision i it aects small areaL i it is large lesion, limited e#cision surgery

because o the cosmetic considerations.

C. $rradiation

D. #cision and removal o ad%acent teeth

. one o the above

1'-. +reatment of all of $iant &ell lesion either sali#ary or multiple is

A. 7arsupiali;ation

B. $n velation and pacing apQQ

C. Cold wellQQ

D. &urgical curettage

. one o the above

1'. :il or water on impression for treatment casts causes

A. An increase o the >uality

B. o alteration

C. A decrease o the >uality

D. Bubbles on the cast. one o the above

1'. (hat is ath of %nsertion

A. !he movement o the appliance rom the points o initial contacts to path o :nal rest

position

B. !he movement o the appliance rom the points o rest position until it is not in contact

with teeth

1'4. (hat is ath of Remo#al

A. !he appliances movement rom the rest position to the last contacts o its rigid parts with

the supporting teeth

B. !he movement o the appliance rom the points o initial contacts to path o :nal rest

position


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1*5. (hen correction preparation for re contouring of occlusal surface is to "e

applied. $rinding only of the ad;usted surface

A. &hould not be elt fat

B. Re>uire a fat crown

C. Re>uire no contact with ad%acent teeth

D. &hould be elt fat

. one o the above

1*1. +o o"tain a desired pro;ection of occlusal loads, the oor of the occlusal rest

should

A. Be conve#

B. &lope rom the marginal ridge towards ContactQQ o abutment

C. &lope rom ContactQQ o abutment towards the marginal ridge

D. Be concave

. Does not slope rom the marginal ridge towards ContactQQ o abutment

'. one o the above

1*2. +he transfer of stress "y +ensile 6ction employs +. reaction@ a process that

within limit

A. 'ails to promote bone growth

B. "romote bone growth and maintenance

C. 'ails to promote maintenance

D. one o the above

1*3. (hich of the following arrears &6 :+ "e determined "y sur#ey analysis of

partially edentulous cast

A. Areas to be revealed as bloced out to properly locaQQ Rigid parts o arame wor

B. Areas to be shaped to properly locQQ Rigid parts o ramewor

C. Areas used or guideline planes

D. Areas used or retention

. Areas used or support

'. Depth o rest seats

1*'. %n partial dentures the guidelines /$uiding lanes0 ser#e to 6. 6ids in

"alancing occlusion

B. Assure predictable clasp retention

C. 'orm right angle with the occlusal planeD. liminate the necessity or precision attachment

. liminate the necessity or a posterior clasp

1**. Rough surface of porcelain OorosityO is a result of

A. 6ac o compression

B. &udden high temperature

1*-. +he most common failure in constructing porcelain to metal is


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A. $mproper metal ramewor

B. Rapid heating

1*. rolong $%&9s setting time can "e achie#ed "y

A. Cool down the slab

B. $ncrease the amount o distilled water

1*. +he maxillary canine is missing. +he "est way for making &antile#er "ridge

A. Both premolars

B. $ncisors and premolars

1*4. 6nte9s awJ Dr. 6nte in 142- stated that

A. !he combined pericemental area o the abutment teeth should be e>ual to or greater in

pericemental area than tooth or teeth to be replacedN

1-5. (hy would you decide to replace the anterior missing teeth for partial

denture using "ridge

A. Aesthetic

B. ver%et

C. verbite

1-1. %n regards to $old casting alloys which one is a#aila"le for "ridge

A. +ard alloy !ype $$$N

B. !ype $$

C. !ype $

1-2. =sing uoride in the root surface caries is to protect

A. namel

B. Dentine and cementum

C. Cuticle

1-3. +he rst thing to check when patient comes complaining of pain under

denture is

A. cclusion

B. &ot tissues changes

1-'. Fo#ea alatini, is a landmark to determine the posterior "onds of upper

denture

A. "ost dam

B. 'langes


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1-*. 6ttrition is

A. "rocess o normal wear o teeth

B. 6ost o teeth substance as a result o chemical e#posure

1--. Hodulus of elasticity is dened asA. !he stress at the proportional limit

B. !he stress@strain ratio within the proportional limit

1-. +issue conditioning material J GAilicon lining materialI

A. Are more resilient than plastic acrylic

B. Can minimi;e any bacterial colonies

1-. +he most common cause of R&+ /Root &anal +reatment0 failure is

A. !he canal not :lled completely F&hort obturationG

B. ver :lled canals

1-4. +he position of cusps of maxillary rst premolar during setting of teeth and

on occlusal #iew is positioned

A. Distally

B. 7esially

C. Central buccolingually

15. ateral canals are usually found

A. !he middle o the root

B. 'ist third o the root close to the crown

C. !he apical third

11. +he cause of de#elopment of lateral canals is

A. Cracs in +ertwig?s epithelial root sheath

12. +ransillumination is used to

A. !o :nd intrinsic tooth coloration

B. !o detect caries

C. "ulp@stones

D. +emorrhagic pulp

. Calculus

13. (hat is the common malignant lesion that occurs in the oral ca#ity

A. Ameloblastoma

B. &>uamous cell carcinoma

C. steosarcoma


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1'. Replantation of a#ulsed tooth 2 Q hours after incident@ the most likely

diagnosis is

A. #ternal resorption

B. $nternal resorption

C. "ulp stones

1*. +he emergency treatment for painless necrotic pulp is

A. Drainage through canals

B. one

1-. Awelling after R&+ is mainly caused "y /Being asked as (hat is the most

freue

C. !o increase the adoptability o occlusal rests

11. +he contact "etween articial and natural teeth in partial dentures

A. &light touch in the balancing side

B. &hould not be in touch at all

12. oly#inyl impression material are

A. !he most stable

B. !he most resistant to heat


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13. +o remo#e the pulp tissue from narrow canal, you can use

A. Barbed broach

B. &mall E@!ype :le

C. &mooth broach

D. Reamer

1'. (ax patterns 6R8 :+ to "e left on the "ench for long time "ecause of

A. Distortion

B. 6ost o elasticity

1*. +he undercut for &o"alt &hrome9s retenti#e arm clasp is

A. 0.1mm

B. 0.10mm

C. 0.21mm

1-. (hen sur#eying

A. !ilt the cast

1. (hat statement is false

A. ot to survey when maing the crown

1. $old clasp is more elastic than &o"alt &hrome, "ut &oE &hrome has high

modulus of elasticity

A. !he :rst statement is alse the second is true

B. Both are true

C. !he :rst is true the second is alse

D. Both are alse

14. :#erdentures are "est used for

A. Canines and premolars

B. "osterior teeth

145. (hat is main reason of ordering another eriapical radiograph of the same

tooth

A. !o disclose the other roots

B. !o observe tooth rom dierent angle

141. +he ideal length of R&+ is

A. At the ape#

B. As ar as you can obturate

C. 0.1 t0 (.1 mm beore the ape#


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142. Retenti#e part of clasp position is

A. Below the survey line

B. Above survey line

C. As close as possible to the gingival margins

143. +o minimi>e the load on free end saddle partial denture

A. /se teeth with narrow Buccal@6ingual dimension

B. /se mucco@compressive impression

14'. Retenti#e &lasps

A. Alloy with high modulus o elasticity

B. Clasp arm is gingivally located

14*. %nternal resorption of R& usually

A. AsymptomaticB. "ainul

14-. (hen doing pulpotomy with Formcresol, you will nd

A. ecrosis

B. 7ummi:cation

14. edermix used in R&+ to relie#e pain "ecause of

A. Antibiotics

B. Corticosteroid

14. %n infected root canal, the two most common microorganisms are

A. &treptococcus and &taphylococcus

144. +he techni


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A. 'rom inside to outside

B. 'rom outside to inside

252. +ransmission of uid in dentinal tu"ules is "y

A. +ydrodynamic pressure FsmoticG

B. 7echanical

253. $ate theory a"out pain control is

A. ne hypothesis o pain modulation is based upon the inhibitorye#citatory

interaction o aerent :bre synapses.

25'. 6ngioneurotic oedema

A. "u=ness around the eyes, oedema o the upper lip with redness and dryness

B. Caused by several deep restorations in the anterior teeth

C. !here is no caries, negative thermal tests, negative percussion and negative response to

palpation

25*. %n melting gold, which part of ame we will use

A. Reduced ;one

B. #idi;ing ;one

25-. +o increase the sta"ility of the lower denture

A. !he occlusal plane should be below the tongue

B. !he occlusal plane should be above the tongue

C. !he lingual fanges should be concave

25. %f the in#estment is "urnout rapidly, what will happen

A. Bac pressure porosity

B. Cracing o the investment

25. (hat is the D%A6D!6+6$8 of gypsum dies

A. 8ea edge strength and lac o surace details

B. Dimensional inaccuracy

254. :#erdenture ad#antage is

A. "roprioceptors

215. %n electro surgery, the tissue may stick to the electrode "ecause of

A. !he current intensity is too high

B. !he current intensity is too low


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211. y"rid composite resin is used in posterior teeth "ecause it

A. Contains micro :lled

B. Better colour matching

212. +he "est way of getting good retention in full #eneer crown is "yA. !apering

B. 6ong path o insertion

213. (rought metal is to "e

A. 7arble

B. Juenched

C. &ub%ected 5undergone5 to cold treatment during processing FannealedG

21'. (here do you use the oss as a guide to the ru""er dam

A. !hrough the contacts.

21*. %n young children what is the commonest nding after dental complaint

A. Acute periodontal abscess

B. Chronic periodontal abscess

C. Apical abscess

D. Chronic alveolar abscess

21-. %n periodontitis, the most common nding is, /Hain feature of supra"ony

pocket0

A. +ori;ontal bone resorption

B.


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214. +he commonest elements which are found in periodontal mem"rane areSS

A. 'ibroblast

B. pithelial cells

C. rythrocytes

D.


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22*. (hat is the rst thing to consider when you get a patient with intruded 11

and 12

A. Replace intruded teeth in position

B. Advice patient about conse>uences

C. 6eave it and observe

D. @ray

22-. 8lectrical pulp testing is least useful in Oor does not detect in some papers

A. !raumatised teeth

B. 9ust erupted teeth

C. 7ulti@rooted teeth

D. Capped teeth

. ecrotic pulp

22. +he palatal pulp horn of maxillary molars is located

A. $n the pulpchamber under mesiolingual cusp )-

B. $n the pulpchamber opposite the mesio distal :ssure o the buccal cusp

C. /nder the disto lingual cusp

22. +he most characteristic allergic reaction to drugs is

A. &in rush with swollen o lips and eyes

224. 6nti"iotic prophylaxis should "e used for patient with

A. Diabetics

B. Rheumatic ever

235. (hich is not an eCect of

$. &edation $$. #citement $$$. Analgesia $


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B. $n%ection into vascular area

C. $n%ection without vasoconstrictors

D. $ntravenous in%ection

233. (hen taking Hono 6mino :xidase %nhi"itors GH6:%I@ which are is contra

indicated$. Barbiturate

$$. 6ocal anaesthetic

$$$. "ethidine

)I

$


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B. erve to masseter

C. 'acial nerve

234. %n cleidocranial dysplasia@ which of the following would expect to nd

A. arly lose o primary teeth

B. 7ultiple un@erupted teeth and pseudo anodontia

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Dentistry Exam