prostho removable 10

8/13/2019 Prostho Removable 10

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Prostho removable

Orthognathic ridge relationship (class II) presents several problems whichshould be taken into consideration when constructing complete denture

prosthesis. These include all EXCEPTa. !e"uire minimum interocclusal distance. ###b. $ave a great range o% &aw movement.c. !e"uire care%ul occlusion' usuall cuspless teeth are indicated. *+,-/ 012,3

!E4I5678 !I59E !E87TIO:4$IP;Class II or retrognathic is usuall di%%icult as the patient looks tooth' o%ten

holds the mandible %orward to improve appearance with subse"uent T


2/23

Qibrating linea. Yetween hard Z so%t palate.

b. Yetween mobile and non mobile so%t tissue. ###

oral surgeon put his %inger on the nose o% the patient and the patient asked toblow. This done to checka. anterior e>tention o% posterior palatal seal. ###

b. lateral e>tension o% posterior palatal sealc. posterior e>tension o% posterior palatal seal.d. glandular opening8and marks %or posterior palatal sealThe posterior outline is %ormed b the [7h[ line or vibrating line and passesthrough the two ptergoma>illar (hamular) notchs and is close to the %ovea

palatine.The anterior outline is %ormed b the [blow[ line and is located at the distale>tent o% the hard palate.

Pt. Presented a%ter insertion o% complete denture complaining o% dsphagia andulcers what is the cause o% dsphagia\;over e>tended. ###;over post dammed.;under e>tended;under post dammed

Pt with denture has swallowing problem and sore throat. The problem is7;Posterior over e>tension at distal palatal end. ### Y; Over e>tension o% lingual.

C; Over e>tension o% hamular notch. 0B]^/ 01N/

:ausea is a complaint that a new denture wearer might encounter. It ma result%rom

a. Thick posterior border. 0B1_ 0BJN` 0*Kb. 5enture under e>tended. *V FJN` /,f/c. 5enture slightl over e>tended. NWN BN ,j/ /,f/

d. 7 Z b are correct. ###9agging (nausea) loose denture thick distal termination o% upper denture lingual placement o% upper denture occlusal plane low.Tpes O% 9agginga. Pschogenic ;starts in mind' ver di%%icult to treat

b. 4tomatogenic ;starts in bod (usuall dentures)' treatablec. 5ental causes

?. 8ack o% retention@. Poor occlusion

. Insu%%icient or e>cessive palatal seal. S*2*+ Jf q *V FJN` ,_ q. Crowded tongue due to a thick palate or poor tooth placement

@


3/23

. E>cessive salivation. E>cessive vertical dimension (o%ten seen in new dentures)

5enture over;e>tension onto the so%t palate ma stimulate a gag re%le> directlb continuous contact or indirectl b intermittent contact brought about b theactivit o% the so%t palate or posterior third o% the tongue.7n under;e>tended denture (or an unstable denture %rom occlusal inter%erences)will lack a posterior seal' will dislodge intermittentl' irritate the posterior thirdo% the tongue and thus cause nausea.7 palpable and thickened posterior border will also irritate the tongue.Inter%erence with tongue space' as in an e>cessivel large vertical dimensionwhich causes compensator protrusion o% the tongue' or in a narrow arch which%orces the tongue to occup an unnatural position' ma also mani%est as nausea.

7%ter insertion o% complete denture' Pt came complaining %rom pain in T


4/23

7n e>amination o% the edentulous mouth o% an aged Pt who has wore ma>illarcomplete dentures %or man ears against si> mandibular teeth would probablshowa. Cstic degeneration o% the %oramina o% the anterior palatine nerve. 0BB| 0*-_/

Ff*f}/ FL-/ ~]/ 0yUb. 8oss o% osseous structure in the anterior ma>illar arch. ###c. labb ridge tissue in the posterior ma>illar arch. 1f FJN` L_d. Insu%%icient inter occlusal distance.

hen a patient wears complet ma>illar denture agansit the si> mandibularanterior teeth its ver common to have to do a reline so o%ten de to loss o% bonestrucutrein anterior ma>illar arch.

I% the oral tissues are in%lamed and traumatiAed' impression %or making a newdenturea. 4hould be started immediatel in order to prevent %urther deterioration. ,

b. The occlusion o% the e>isting denture is ad&usted' and tissue condition materialis applied' and periodicall replaced until the tissue are recovered' then makingimpression take place. ### 0N/ 0M*1 L/ *JBf ,W

c. The Pt is cautioned to remove the denture out at night.d. 7 Z Y are correct.e. 7ll o% the above are correct.

Yalanced occlusion re%ers toa. The tpe o% occlusion which allows simultaneous contact o% the teeth in centric

occlusion onl.b. The tpe o% occlusion which allows simultaneous contact o% the teeth in centricand eccentric &aw positions.#

c. 7 tpe o% occlusion which is similar to the occlusion o% the natural teeth.

The indication %or the use o% lingual plate ma&or connector includea. or the purpose o% retention.

b. hen the lingual %renum is high or when there is a shallow lingual sulcus.c. To prevent the movement o% mandibular anterior teeth.

d. 7ll o% the above. ###8ingual plate

a. 4hallow sulcus###b.


5/23

In class I partiall edentulous lower arch' selection o% ma&or connector dependona. $eight o% lingual attachment.

b.


6/23

In recording man;ma> relation'the best material used without producingpressure isa. a>.

b. Compound.c. Yite registration paste (Ainc o>ide Z eugenol paste). ###

The posterior seal in the upper complete denture serves the %ollowing %unctionsa. It reduces Pt discom%ort when contact occurs between the dorsum o% the tongue

and the posterior end o% the denture base. *N/ zb. !etention o% the ma>illar denture.###c. It compensate %or dimensional changes which occur in the acrlic denture base

during processing.d. Y Z C are correct.

/N `q 0DBG

%unction o% post dama. Prevent tongue %rom palate touch increase com%ort

b. increase retention###c. to compensate acrlic dimensiond. all

In recording &aw relation' best to usea. Occlusal rim with record base. ### F1^/ *J/

b. Occlusal rim with base wa>.

c. Occlusal rim with nacial %rame.5ental 5ecks ; page @Occlusal rims make ma>illa;mandibular &aw records.

The goal o% construction o% occlusion rims is?. To obtain the occlusal plane' vertical dimension' tentative centric relation' %ace

low trans%er' placement o% the teeth. ###@. To obtain the protrusive condlar guidance.. To obtain the lateral condlar posts and incisal guide.. :one.

7 temporar %orm representing the base o% a denture which is used %or makingma>illo;manibular (&aw) relative record %or arranging teeth or %or trail insertionin the mouth is?. Yite rims.@. Custom tra.. 4et up.. Yase plate. ###


7/23

To recheck centric relation in complete denturea. 7sk PT to swallow and close.

b. 7sk PT to place tip o% tongue in posterior area and close. ###c. To wet his lip and tongue.d. 7ll o% the above.

tension p.d during relining occlusal !est was not seateda. !emove impression and repeat it. ###

b. Continue and seat in a%ter relining.c. 6se impression compound.

7%ter taking alginate impressiona. ash with water and spra with sodium hdrochloride %or ? sec.

b. 4ame but wait ;? min and then put in sealed plastic bag.###

Occlusal plane should bea. Parallel to interpupillar line.

b. Parallel to ala tragus line.

c. 7t least tongue is &ust above occlusal plane.d. 7ll o% the above. ###

Occlusal rest %unctiona. To resist lateral chewing movement.

b. To resist vertical %orces. ###c. 4tabilit.d. !etention.

Check bite o% retainer ba. Paste. ###

b. Impression.

4election o% tpe o% ma&or connector in partial denture is determineda. 5uring e>amination.

b. 5uring diagnosis and planning. ###c. 5uring bite registration.

Cause o% %racture o% occlusal resta. 4hallow preparation in marginal ridge. ###b. E>tension o% rest to central %ossa.c. Improper centric relation.


8/23

Child came to the clinic with amalgam restoration %racture at isthmus portion'this %racture due toa) ide preparation at isthmus.

b) $igh occlusal.C) shallow preparation ###5) constricted isthmusIsthmus &oins the occlusal ke with the interpro>imal bo>. It is the part o% the%illing most prone to %racture.

Complete denture poorl %it and inade"uate interocclusal relationa. !elining.b. !ebasing.c. :ew denture. ###d. :one o% the above.

5iabetic Pt with ill %it denture' e>amination o% residential ridge help toa. 5etermine the need %or tissue conditioning and surger. ###b. 5etermine occlusal height.c. 5etermine vertical dimension o% occlusion.

hich o% the %ollowing statement about the mechanism o% action %or dentureadhesive is not correct

a. It depends in part on phsical %orce and viscosit. ### 0b. Carbo>l group provide bio adhesion.c. 9reater water solubilit increase duration o% adhesion.d. inc salts have been associated with stronger longer adhesion.

!igid palatal strap ma&or connector. The material o% construction is.co;cr ###*+| | BN`9old ti.gold ...wrought wire

Porcelain teeth in complete denture opposing natural teeth are not pre%erred duetoa. Increase occ load on natural teeth

b. ear o% natural teeth ###c. Clicking during mastication

4o%t palate %alls abruptl %acilitate recording post dam' %alls graduall make recording post dam di%%icult.two statement true.two %alse ###.%irst true' second %alse.%irst %alse' second true


9/23

E7!4 old patient need to make complete denture with thick labial %renumwith wide base. The operation.vestibuloplast. ### J/ BN q.A;plast.subperiostum incision *-1/ - .deepmucoperiosteum incision F*W1/ *-1/ -;plast are e%%ective %or narrow %renum attachments. Qestibuloplast is o%tenindicated %or %renum attachments with a wide base.

In week intra uterine li%e the development start. The oral epithelium isstrati%ied s"uamous epithelium will thickened and give dental laminaa true ###

b %alse

Pt with complete denture come to our clinic' complaint %rom his dr mouth' theproper medicine is?. 7nti diabetic medicine.@. 7nticordial. ###. 4teroid.

ears old black man wants to have ver white teeth in his new denture whatshould the dentist doa; Put the white teeth

b; 4how the patient the suitable color %irst then show him the white one#.c; Convince him b showing him other patients photos.d; Tell him %irml that his teeth color are good.

Or ; 5o not show white teeth ` 0N_q 1V F *B`

O%ten a short in%ormative talk using some o% the tooth manu%acturers (or

pre%erabl our own) [be%ore and a%ter[ photos can be ver e%%ective in

motivating patients to accept a more natural tooth selection.

4$75E 4E8ECTIO:The shade is selected with the Portrait shade guide. There are 24 shades

enough to %ul%ill the color re"uirement o% an denture patient. The large

selection seems con%using but ou will soon note that certain shades will be

used the most. 4hades 7'Y'C' Z 5 (?) are the most use%ul and are called

characteriAed shades as the are a subtle mi> o% man shades. The last are the

Yio%orm shades' Y;@' and are not characteriAed and do not look as natural.

The are included as Yio%orm teeth and shades have been sold %or man ears

and its o%ten necessar to match them.?. or outh%ul patients' use lighter shades with a bluish incisal.


10/23

@. or older patients' use a darker shade with mostl bod color.. I% the patient has dark hair' brown ees' and dark skin' darker shadeswith more ellow and brown will look more natural. This rule does not appl%or Ylack patients as the o%ten have ver white teeth.

. I% the patient has blue ees and %air skin' use lighter shades with moregra.. Consider the patients desires am him 'ou see the upper lip like toolong 'de%icient in themargins o% the lip' reason is\7)de%icienc in the vertical dimensional

b)anterior upper teeth are short. ###c)de%icient in vit Y

.1/ ,y/ UV yy2 *f 0J^/ /G *z/ 2 Bf*B UV *fq

{ni%e ridge should be t> with?relining so%t material@ ma>imum coverage o% %lange. ### wide occ. Tableall

I% ou are %ibrating mandibular complete denture %or with a patient with kni%e;edge ridge' ou need ma>imal e>tension o% the denture to help distribute the%orces o% occlusion over a large area.

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11/23

pt come to u needs upper partial denture cII kinned classi%ication' he haspalatal de%ect(i dont know what it was but i think torus palatinus) pre%erablepartial denture witha;horseshoe###

b;palatal barc;........palatal.......ld;...palatal....

Patient come to the clinic with ill;%itting denture' during e>amination ounotice white small elevation on the crest o% the lower ridge' what will ou tellthe patienta) This lesion needs no concern and he should not worr.Y) The patient should not wear the denture %or @ weeks then %ollow up. ###c) >

7dvantage o% rought ire in !P5 over Cast irea;8ess irritation to the abutment#.

h we use acrlic more than complete metal palate in complete denture; Cant do relining %or the metal. ###

!elining o% denture; remove all or part o% %itting sur%ace o% the denture and add acrlic; add acrlic to the base o% the denture to increase vertical dimension. ###!ebasing o% Complete 5enture meana;7ddition or change in the %itting sur%ace

b;Increasing the vertical dimensionc;Change all the %itting sur%ace. ###

!ebasing is replacement o% most or all o% the denture base..*zM/ *+ 2, q 0* z By/ *fq 1/ ,y/ BBD ,3 ~M2 B

when all the teeth are missing EXCEPT the @ canines ' according to kennedclassi%ication it isa; Class I modi%ication ?. ###

2, B (Ff*f}/ ,UJ/) +// L]/ }

most important criteria %or %ull ceramic P5;high compressive strength. ###; $igh tensile strength.Yecause ceramics are stronger in compression than in tension' this propert isused to advantage to provide increased resistance to shattering.

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12/23

Pt need complete denture u take impression with irreversible hdrocolloid Zpoured it a%ter late more than ? min the cast appear sort Z chalk the reasonisa. 5ehdration o% the impression. ###

b. E>pansion o% the impressionc. Immerse the impression in a chemical solution

a%ter insertion o% immediate complete denture' pt remove denture at might ne>tda he couldnt wearing it .and came to wh this is happeneda. reli%e

b. 4welling 7nd in%lammation a%ter e>tractionc.lack o% skills %or the patient to put the denture#


13/23

Pt construct %or him a complete denture a%ter %ew das he came to ucomplaining %rom pain Z white spots on the residual ridge do relie% in that areaZ give him ointment Z a%ter %ew das he came again complaining the same butin another area the main cause is a. 6neven pressure on the crest o% alveolar ridge. ###

b. Increase vertical dimension

%or recording o% vertical dimention we usea. illis 9auge. ###

b. caliper.c.ace bow!esting %ace height is assessed using 7 illis gauge' to measure the distance between the base o% nose and theunderside o% the chin. Is onl accurate to ? mm. 4pring dividers' to measure the distance between a dot placed on both thechin and the tip o% the patients nose. This method is less popular with patientsand is CI %or bearded gentlemen (or ladies). The patients appearance and speech.illis gauge is used to record the occlusal %ace height o% the the patient.

7 %ace;bow is a caliper;like device used to record the patients ma>illahingea>is relationship (opening and closing a>is). It is also used to trans%er thisrelationship to the articulator during the mounting o% the ma>illar cast.

$ow can u repair %ractured rest(in the place where it passes over the marginalridge o% the tooth ) in removable partial denture\7;spot welding

b;electric soldering#c;industrial braAingd;.......

Pt have denture' a%ter ear he complain o% ulcer and in%lammation in lowerbuccal vestibule. wt is the 5>?hpertrophic renum. ###@ epulis %issurment.Patient presented to ou a%ter %itting the immediate denture ? months'complaining pain and over tissue in the mandibular' what is the diagnosis?. Epulis %issurment. ###@. $pertrophic renum.Pt with complete denture complain %rom tightness o% denture in morning then

become good this due to7) reli% o% denture. ### (because there ma be pressure points or areas that thetissues will tr to 7d&ust to it throughout the da)Y)lack o% cheeck elastist (pressure on the %langes displacement o% denture)C)poor post dam (no posterior seal displacement o% denture)

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14/23

old.pt.come with set o% compelete denture with tight denture in morning andbecome loose later in ada what is the causea. lack o% posterior palatal seal

b. de%lecting o% occlusion

c. e>cessive relining o% denture###d. inelasticit o% cheek

7 border line diabetic pt came with denture stomatitis ou %ind abundant debrisin the tissue sur%ace area o% the denturethe proper management is

a. 4stemic antibioticb. Topical anti%ungal. ### (topical relining with a tissue conditioner

rest o% tissues at night 9ood oral hgiene)c. 4stemic anti%ungald. Topical antibiotic

The peripheries o% the custom tra should be under e>tended to all border andclearance %rom the %renum areas

?. @mm. ###@. mm.. mm.. mm.The goal o% making the peripheries o% the custom tra under e>tended to all

bordered clearance %rom the %renum areas

?. To give enough space %or the used impression materials to allow bordermolding the tra. ###

@. To give enough space %or the die spacer.. To give enough space %or the cementation materials.. :one.

The base plate could bee made b?. 7crlic plate.@. Ceramic plate.

. a> plate.. 7 and c. ###The vertical height o% the ma>illar occlusion rim %rom the re%lection o% thecast is

?. ?@mm.@. @@mm. ###. @mm.. @mm.

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15/23

The anterior width o% the ma>illar occlusion rim is?. mm. ###@. ?mm.. ?mm.

. @mm.The posterior width o% the ma>illar occlusion

?. ;?mm. ###@. ;?mm.. ?;?mm.. ?;@mm.

The anterior height o% the mandibular occlusion rim is?. mm.@. ?mm. ###

. @mm.. mm.

The posterior height o% mandibular occlusion rim isa. E"ual to the point representing ?@ o% the height o% retro molar pad. ###

b. E"ual to the point representing ?@ o% the height o% the %renum areas.c. E"ual to the point representing ?@ o% the height o% the alveolar ridge.d. :one.To record the occlusal plane in order toa. To determine the amount o% space between the mandible and the ma>illa

which will be occupied b an arti%icial teethb. To determine vertical and horiAontal level o% the teeth.c. 7 and Y. ###d. :one.Theprotrusive condlar guidance should be set on the articulator at

a. degree#.b. degree.c. degree.d. degree.

The lateral condlar posts should be set on the articulator ata. ero degree.

b. @ degree#.c. degree.d. :one.

+*/ 1/ ~K?G}/ FV*/ /M/ q 0

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16/23

The incisal guide should be set on the articulator ata. ero degree. ###

b. @ degree.c. degree.

d. :one.The primar goal o% anterior tooth selection is

a. To provide good %unctional re"uirements.b. To satis% aesthetic re"uirements. ###c. To let the patient %eel com%ortable.d. :one.

The primar goal o% posterior tooth selection isa. To provide good %unctional re"uirements. ###

b. To satis% aesthetic re"uirements.

c. To satis% schological re"uirements.d. :one.

ou need.to get the teeth shadea. 4hade guide. ###

b. Incisal guide.c. 7crlic teeth.d. Porcelain teeth.

The teeth materials area. 7crlic teeth.

b. Porcelain teeth.c. 7 and Y. ###d. :one.

The width o% the lower teeth isa. ?@ o% the ma>illar anterior teeth in normal &aw relationship.

b. ? o% the ma>illar anterior teeth in normal &aw relationship.c. o% the ma>illar anterior teeth in normal &aw relationship. ###d. :one.

9enerall posterior teeth are classi%ied into

a. 7natom (cusp) teeth.b. :on;anatom (cuspless) teeth or %lat.c. 7 and Y. ###d. :one.

The process o% positioning or arranging teeth on the denture base is termeda. Casting.

b. Investing.c. 4etting up. ###d. lasking.

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17/23

Important %unctions must be considered when arranging anterior teetha. 7esthetics.

b. Incision.c. Phonetics.

d. 7ll o% the above ###

The incisal edge o% the ma>illar lateral incisor is above and parallel tothe occlusal plane

?. ?@ mm. ###@. ? mm.. @ mm.. mm.

The long a>is o% the ma>illar cuspid is inclined slightl to the

?. illar %irst bicuspid is raised appro>imatel ?@mm o%the ocllusal plane

?. Yuccal cusp.@. 8ingual cusp. ###. is o% the ma>illar %irst molar is inclined to?. Yuccal.@. illar posterior teeth touch the occlusal plane EXCEPT?. irst bicuspid.@. 4econd bicuspid.. irst molar.

. 4econd molar. ###

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18/23

The distance between the lingual sur%aces o% the ma>illar anterior teeth andthe labial sur%aces o% the mandibular anterior teeth is

?. Qertical overlap (overbite).@. $oriAontal overlap (over&et). ###

. Occlusal plane.. 7ll.

The distance between the incisal edges o% the ma>illar and mandibularanterior teeth is

?. $oriAontal overlap (over&et).@. Qertical overlap (overbite). ###. Occlusal plane.. 7ll.

The average distance between the lingual sur%ace o% the ma>illar anterior teethand the buccal sur%ace o% the mandibular anterior teeth (over&et) is

?. ?@mm.@. ?mm.. @mm.. mm.###

Over&et distance between upper and lower incisors in the horiAental plane.normal is @; mm.

hich tooth o% the mandibular anterior teeth that touch the lingual sur%ace o%the ma>illar anterior teeth in normal centric relation\

?. Central incisor.@. 8ateral incisor.. Cuspid (Canine). ###. :one.

The mesial sur%ace o% the mandibular lateral incisor contacts

?. The mesial sur%ace o% the central incisor.@. The distal sur%ace o% the central incisor. ###. The mesial sur%ace o% the cuspid.. The distal sur%ace o% the cuspid.

The tip o% cusp o% the mandibular cuspid is one above the occlusal plane toestablish . O% the ma>illar anterior

?. $oriAontal overlap.@. Occlusal plane. ###. Qertical overlap.. 7ll.

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19/23

The relation involves the movement o% the mandibular to the side either right orle%t in which the act o% mastication is to be accomplished. There%ore the side towhich the mandible moves is called

?. Yalancing side.@. orking side. ###. Compensating side.. 7ll.

hen the mandible moves to the working side' the opposite side cusp to cuspcontacts in order to balance stresses o% mastication. This relation is called

?. orking relation.@. Yalancing relation. ###. Occlusal relation.. :one.

In order to distribute the primar %orces o% mastication' to %all within the baseo% the denture' the mandibular teeth are set

?. On the bucal edge o% the ridge.@. On the lingual edge o% the ridge.. On the crest o% the ridge. ###. 7ll.

The mandibular posterior tooth that has no contact with an ma>illar teethduring the balancing occlusion is

?. irst bicuspid. ###@. 4econd bicuspid.. irst molar.. 4econd molar.

The used device in %lasking procedure is called?. 7rticulator.@. 4eparating medium.. lask. ###. :one.

e Qaseline the inner sur%ace o% the %lasks all rounds?. To help in the packing procedure.@. To separate the models (casts) sa%et. ###. 7 and Y.. :one.

The procedure that %ollows the %lasking procedure is called?. Polishing.@. 5e%lasking.. Packing. ###. Curing the acrlic.

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20/23

Teeth selection in setting up teeth gs% is based o% these %actors?. 4hade o% the teeth.@. 4iAe and shape o% the teeth.. 7ngle o% the teeth.

. 7 and Y. ###7ll the above

It is pre%erable to be the length o% the handle o% the custom tra?. ?mm.@. @mm.. ?mm. ###. @mm.

is the art and science o% %unctional' anatomic and cosmeticreconstruction o% missing or de%ective parts in the ma>illa' mandible or %ace bthe use o% non living substances

?. Complete denture.@. illo%acial prostheses. ###. Orthodontics.. Partial denture.

.. Is the one that provides application and device to restore aesthetic and%unctional re"uirements to patients with ma>illo%acial de%ects

?. Endodontist.

@. Pedodontist.. illo%acial prosthodontist. ###. Peridontist.

The ob&ectives o% ma>illo%acial prosthetics?. 7esthetic.@. unctions.. Protect the tissues.. 7ll. ###

The prepared sur%ace o% an abutment to receive the rest is called?.


21/23

The part o% a removable partial denture is?. !ests.@.


22/23

To %abricate a removable partial casting re"uires making a second cast o% high;heat investment material this cast is called

?. 4tud cast.@. o% abused tissue in patient with e>isting denture is toEducate the patient. ###

The primar role o% the anterior teeth on a denture isEsthetics#

Edentulous pt cl II kennd classi%ication @nd premolar used as abutment when wesurving we %ound mesial under cut what is the proper clasp used

?wrought wire with round cross section#@ wrought wire with hal% round cross sectioncast clasp with round cross section cast clasp with hal% cross section

F z_q j/,/ U1/ RN/ q *1| y]f B f RN 0*-+ -L By ,2 Vq *1+G}/ }/ *B`/ R By *K F W/ `,/

Yalance occlusion in complete denture help in;retention

; stabilit###

@@


23/23

In case o% advanced upper &aw to the lower this is calleda) angle class I

b) angle class II#c) angle class III

d) 7ll o% the above7lginate contains calcium sulphate in concentration o%a)

b) c) ?@###d) none

Elastic impression material isa) rubber#

b) Plasterc) Ainc o>ide

d) compound

In processing an acrlic denture in a water bath' a proper heating ccle isdesired because o% the possibilit o%a) warpage.

b) shrinkage o% the denture.###c) porosit due to boiling o% the monomer.d) craAing o% the denture base around necks o% the teeth.

In an alginate impression material' tri sodium phosphate is thea) %iller.b) reactor.c) retarder. ### yfd) accelerator

The principal %unction o% an indirect retainer is toa) stabiliAe against lateral movement###.

b) prevent settling o% the ma&or connector.

c) minimiAe movement o% the base awa %rom supporting tissue.d) restrict tissue ward movement o% the distal e>tension base o% the partialdenture.

prostho removable 10

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