section A Marks : 20 c= 3 Hous secTION - A — ateQ) he prprie e e on the question il mot be alloted en te tots Wl hi oy fo resort (9 unfair Crrosthodonties) Goris), hemibdrete b) Calcium sulfate monohydrate 8) Calcium sulfate polyhydrate 2 Pacing of bet cure aeyic resin in mould is done at 2) Rabhery sage 1b) Sift stage a Dough sage 4) Stingy stage ine depententPlasic deformation of a material is known as Viscosity AT Creep 9) Flow Elasticity 4. Wich oF he flowing 8 sgid ireversibe impression material ? ®) Fhsoner ») Alginate A Zine oxide Eugenol useing AY Heating he casting in aid ©) Condensation pty ® Thermal reaction ould be attached to wax pattem DAL the point of pence ©) At the junction 8) None ofthe a Breatest bulk Of proximal and occlusal portion Implant Material most s 9) Nickel chromium ©) Stainless steel Oy Titanium and its alloys 9 Connie 10. Wish oe foning iene asia ea og a) Tin » - 9) Miyenm ® Caton Calcium Hydroxide ) Glass tnomer cement Zine polycarboxylate 12. Ligh activated composite resins initiator is 8) Benzoyl peroxide 9 Camphoroquinone ©) | Diethyl-amino-ethyl-methaerylate 4)" NN-dimethyt 1 oxide eugenol % luidine 13. Which of the folowing is truly adhesive 8) Zine phosphate cement) ©) Zine Oxide Eugenol cement .d}— Glass inomer cement 14. Bumishing of Margins is future of which type of alloy ? 8) Chrome-cobalt alloy ) Type ll cast gold alloy ©) Nickel-tanium alloys 8) Nickel-chrome alloys 1S, One hour compressive strength in MPa of admixed iver ems aly i ety ss a 38 Scanned with CamScannerixed amalgam if mereury content 16. For either low copper of high copper admixed amalgam if Were increases by approximately. what percentage does srenat a) 34 ») 44 on 4 a 64 the setting reaction in zing 17. One of the following is used as an accelerator fr the setting \ of Glas Inomer cement that improves handling by Malice acid dy Tartare acid enhances manipulative properties and strength of by Stannic acid 8) Stannous fluoride 8) Zine oxide 20. Standard No, 4 Gold feil's weight in gram is a) 0st by 0259 ©) 038 ® 0194 ~~ SPACE FOR ROUGH WORK ‘Total Duration : Section A + B+ C= 3 Hours - Section A Marks : 20 SECTION — A — (MCQ) (20x1=20) (Prosthiodonties) Qox1=10) 1. 1. Time dependent plastic deformation of material is called as A Creep b) Viscosity © Flow S) Blasticity 2 Vicat needle is used for a) Testing the strength of Dental plaster +6)” Evaluation of initial setting time of denial plister ©). Testing the material hardness * d) The purity of noble metals 3 An example of rigid reversible impression mat ) 3) Agar Agar b) Dental plaster “I Impression compound a) thea BO Which of the fo a Which of the wax is used as a p 9° Methyl methacryte ps Powder 9 Hydroquinone © Benzoyt peronige © Demety para tladins 9) Boxing wax » ©) Sticky wax ay Silver plated dies use an electalytic bath a fluoride + ©) Silver bromide /- Flux used in Dental ceramic is 8) Alumina D). Sis Kaolin —8)—Borie oxide ‘The preferred material for repair of fractured -)~ Chemically cure resin ©) Light eure resin acrylic dentate base is 1) Heat eure resin Vinyl resin 9. Final produce in alginate is 8) Sodium Alginate b) Potassium Alginate ©) Trisodium Phosphate ~8—Calcium Alginate 10. Liquid component of heat cure acrylic for inhibiting polymerization it =2)~ Hydroquinone b) Methyl methacrylate ©) Dimethyl-prtotuedini 4) Ethyl glycol dimethacrylate (Conservative Dentistry) @ox1=10) ‘Ve The maximum film thickness in micrometer for luting cements is ) 2 by 2s ) 30 Oo 8 12, Role of White resin in zine oxide eugencl cement is 8) improves strength b)- improves mixing qualities ©) as plasticizer 8) reduces britileness of set material 13, The cement which is insoluble in oral fluids is 8) Glass Yonomer b)_ Poly carboxylate ©) Ring acid zine oxide eugenol dy” Resin cements 14, Miracle mix in a combination of 8) Composite resin and GIC_-b}—~GIC and silver alloy 8) Ceramic and metal ©) Hybrid ‘composite Scanned with CamScannerese icity by Hyper Bio i) Weldble prove 16 A-sstable base under composite resins ee a)—-Resin modified GiC by Zine phos inc oxide eugendl Cavity vaish ponent 1d trydrophobic components ‘or hydrophobie components sremical corrosion ? <6)" All of the above by _ Hybrid composites d) All ofthe above 20, Briteness in amalgam alloys can be reduced by Silver ») Tin A Zine ‘SPACE FOR ROUGH WORK See ‘Total Duration : Section A+ B + C= 3 Hours Section A Marks : 20 (Prosthodontics) (lox1=10) 1.1. Adhesion is defined as the attraction between ay” two unlike moleculés rs 'b) two like molecules ‘¢) attraction of positive and negative charges ) attachment of two substances by mechanical bonding 2. Materials used for fabrication of implant a) metals and alloys b) ceramics ©) polymers and composites * -)—all of the above 3. The catalyst employed in self cure resin is 8) hydroquinone b) niethy! methacrylate” 5 styrene ) benzyl peroxide Natural waxes have been 2) ~cheinicat 8) surface exudation > softening of the mate reference to plaster means 8) compressive strength by wet strength ©) strength due to gree colour) dry strength ‘Stainless steel of most popular and useful variety is 8) feritic » ie _2)~ austenitic com Gelation temperanire of agar is 2) 29 32 9) 37 an 45 Materals recently used for maxillofacial prosthesis is a” RTV silicones b) Vinyl resin ©) Methyl methacrylate Latex 1. A process by which two metals are joined by addition of filler metal having liquids not more than 450 8) welding 2) soldering ©) braizing cast joins (Conservative Dentistry) (ox1=10) J. How does acid etching affect the treated surface ? 1B 8) Inoreases the surface ceasing the wettability ©) Decreases the surface tension th 4) Decreases the surface'energy . The commonly recommended etching time is a) 10 seconds ‘bY 15 seconds ©) 20 seconds 4) 30 seconds ‘An example of self adhesive restoration is a) Zine phosphate ANY Zine polycarboxylate ©) Zine oxide eugenol 6) Composite | Scanned with CamScannersid mated 7 in eonuaiiicated under wich restorive cos ood ag Direct ting 62! ide Eugenol sa ecm ead 3 ea |a) Acid based and subsequent polymerization 3 The degree of tight tra 0)” Hydrolysis and subsequently chelation ©) Transtucency ¢ eee eos are i socation is 1 chemical set ‘weakest solid phase of set amalgam restoration is Gamma b) Gamma Gamma 2 Epsilon 17, The washing of amalgam powder with acid causes the reactivity of amalgam, 0 8 Plasicized polymer, impression compound should be pourd in eps ze inaccuracies related to Se 8) Dehydration O- Syneresis a Increase by © Desrease b) Suessreiet ©) Remains the same, 4) Effect is unpredictable 4) Funher Seting 18, ‘The average free applied for condensation of amalgam is Which ofthe state is NOT recognized inthe fing of dena poet sven ) 128 ret nr below ? 9 34% 4 451 a) Cold stage bisque ¥) Low bisque 18. Which ofthe following typically Forms the largest percentage 9 Medium bisque ®) High bisque 5) Parafin wax )Carmuba wax 7 Addition of palladium to gold alloys alters their cdlour to 8) Resins 2» ~b) White 20. Titanates, irconates and organosilanes are used in restorative resin’as 5 8) Red » str 27 Coupling agents 4 Defore pouring an impression, in order to obtain all the landmarks and details on the cast, the impression is enveloped with aprovesting wax whic scaled -2)Booring wax ©) Uslty wax atcles Activators ‘SPACE FOR ROUGH WORK = Beorrn — 2034] ‘Total Duration : Section A+ B+ C = 3 Hours °. Section A Marks : 20 2) Polysulfide Condensation SECTION — A — (ica) (20x1=20) 10, Inhibitors are added to the monotiers of the denture (@rosthodonties) @ox1=10) 4) Activate the monomer by increase shelf life 1 A. Tissue conditioners become harder with time because of Steed up'te reaction 6) Produce softer polymer AY loss of plasticizers during use i Oct ices ding (Conservative Dentistry) Qox1=10) ing cement sets by chelation reaction ? 8) Zine phosphate cement BY Zine oxide eugenol cement | ©) Zine polycarboxylate cement 4) Resin cement Gs)se onomer Cement i ed ith rene che rating ce 3) oo wt ncenena teciue a hows Mowe reine ope? Dine oie eugene emt 1) elms toner Comet ding technique 13, Which of following ceme 8) Zinc phosphate cement ©) Zine polyearboxylate cement Wve inability of a material 10 14, Briteness is the 15, The bai strstr components of deta resin based composites include all EXCEPT 3) Marie ©) Coupling agent 16. Vamishiscontmindicated under which restorative materia 2) Amalgam ) Cast gold 2) Glass Tonoiner cement 4)._Dires filling gold 17. The most important propery of Dental Inlay wax is 2) Flow b) Cobar 6) _Resistance to flakiness -&~ Should leave no residue behind in excess of 0.10% after burn out b) Filler _A}- Colouring agent 18, The average particle size for modem amalgam alloys range between 2) 15-20 um 15-25 um 0) 15-35 pm "25-35 um 19. Type of Gold alloy that cannot be agehardened is _-4)~ Type II Gold Alloy b) Type III Gold Alloy ©) ‘Type IV Gold Alloy 4) None of above 20. The concept of Wet Bonding was introduced in 4) 1 Generation Bonding Agents . &) 2 Generation Bonding Agents + ©) 3% Generation Bonding Agents d) 4% Generation Bonding Agents SPACE FOR ROUGH WORK § * Most effective way of controling seting time of planer is ‘Seetion A’Mtarks +20 Qoa=10) nto an arc resin intane may result in Excessive expansion O° Lew aces DY Excessive shrinkage Excessive re bsiuleness nitiator i polymetization of denture base resin ®) Ferric oxide ©) Mercurie sulfide _a)— Aceelerators.and Retardersb) Chan ing WP rato ©) Increased Spatulation 8)" None of the above Substance, which accelerates setting reaction ierespective ofits concentration a) K,80, ) Nact ©) Borax ® Ka Which of the-following is NOT used as a'fller in impression compound a). Soap Stone b) French Chali, ©: Diatomaceos Earth 8) Pumice ‘6. Rapid reaction of calcium sulfate to form calcium alginate from potassium or sodium alginate in an aqueous solution can be prolonged by 4)" tisodium phosphate ) potassium phosphate ©) sodium phosphate zine oxide 7. Borates are added in irreversible hydrocolloids to 2) make the power dusless or dustiree _AYT sive high quality strength to the die Ze) contol the consistency of mix 4) 10 provide color a to spare phones npc phere 8) fusion temperature 'b) glass transition temperature _s)- bystersis nial seting ime \ "9, Flow of Zine oxide Eugenol impression paste can be improve by adding, cay Canada and Péna ©) Oil of clove 10 The final set of Zine oxide Eugenol impression paste is said __when a needle of 50 gram fil 1 penerete the surface “°° + wet ): Calcium ehlovide 4) Polymerized rosin Scanned with CamScanrier(10x1=10), corrosion EXCEPT stern is * pprqino0€ = tit meee photoinitiator used in DY banal mei! ter conjunctivitis for fusion of metal 5 a ha me " by combustion + pone oxidizing ai se cic a i eae? 1) rect filing gold {sine phosphate ement Lh ofthe following mater composite 7 \~ polyearboxylate cement lots restorations give best clinical service when residual mercury content sean% 7 Lay te5% 0) 58-62% 68-72% 18, The true density of pure gold is & . a) 43 » 7 158 a 193 ~cwoallay is an alley of ‘Wd and platinum ‘and calcium ) ‘cobalt and chromium tin and. chromium “eer in dental amalgam alloy is ‘Total Duration : Section A+B +C=3 Hours i 1. During packing the pol

Section A Marks : 20 (20x1=20) Cox1=10) *_ SECTION ~ a'— @arcgy Prosthodontics) _Entrapped air porosities are also known as » ©) Pinhole porosity Subsurface porosity LB)” Back pressure porosity @) Such back porosity fetson for eding noble metals like platinum and palladium to addition {0 act as inhibitor for polymerization to act as hydrogen scavenger als to act as fillers 6) 65 deg C in addition silicone impression material is 1am salt b) Lead dioxide ©) Stannous octate -, @) Aromatic sulphonate ester ‘The temperature at which agar hydrocollgid is stored in a sol condition is a) 45 degc b) 66 degC 4) 75 degC +The main component by weight of alginate impression material is 4) Sodium alginate 9) Diatomaceous est b) Calcium sulphate 4) Sodium phosphate Pumice is used'to polish ay Denture ©) Porcelain artificial teeth b) Metalic alloys 4) Ceramic crowns ‘The most popular material for implants today is a) Iron b) Gola ©) Ceraniie 8) Thani A fh lowing ed for pin eoneneton EXCEPT ') Spatulation 4) Brush technique Spay etal Scanned with CamScannerine 00 ihe aceon a Zi oe Ey taroin : vy ssi 3 nw / (Conservative Dentistry) (ox1=10) ‘cent for base formation below restorative resin is eet i fy ‘ By An alloy containing 296 2 Ficum hydroxide on the ple oor BY Cav vais on alle eet 13, Degasing is To attract the impustes BY To remove the contamination on the «) Precipitation resction ot requires amalgar Summ “8-20 unlem ‘gold surface, should not expand more than emer is inte im, fouth breathers: By" “Paiient of high caries index Restoration of posteir-tzeth 4) None of the above 16 The maleting force in direct filling wold is directed 2) Perpendicular to the wall 1) Parallel tothe long axis of the erown ©) 45 degree to the wall (9 All ofthe above 3 setivaion system visi b) 200 nm AY 400 am 418, How soon after contaminat an ination dogs & zine containing amalgam alloy starts 20. ‘Total Duration : Section A+B + C= 3 Hours a s. 6 Average force requlted to conden 8) 20 pounds ©) 18 pounds The ') Benzain methy! ether ©) _Hydroquinone SPACE FOR ROUGH WORK <> Section A Marks : 20 (20x1=20) SECTION = A — (MCQ) Qoxi=10) (Prosthodontics) “The property that describes elastic energy of a material is b) Elastic modulus ay” Resilience i @) Toughness ©) Proportional “The greatest diagonal is considered for measurement of hardness it 8) Brinelt b) Rockwell oy Vickers 4) Knoop “Tensile stress bearing capacity is _sy Higher for dentin than enamet ) Higher for enamel than dentin ©) Both enamel and dentin are equal 4) None of the above ized Methyl Methacrylate is b) Magenta | 8) No color’ ‘Amount 6f Hydroquinone added as.a retarder to polymerization is By 0.006% b) 06% 2) 006% a) 6.006% jon temperature and liquefaction ‘Temperature lag between the &: temperature for reversible hydrocolloid is called a) _ Syneresis bys Imbibitions ey” Hysteresis: d) Hydroptosisnse, delayed saune response, delay. jon of immun tion +. According to Coombs hnyperseasitivty is 8) Type b) Type Type tt a eV 5. Alginate is made fom 9) Zine oxide » ©) Sodium phosphate 4a 9. All of the following are natural abrasives excent 8) Emery by” Rove ©) Quart &) Ganet 10. Greening of porcelain in porcelain fused to metal restorations is due to, 2) Gold b) Nickel ) metamerism ® mesomerism DY chelation ©) condensation polymerisation thermal 3. Elastomers are geneally hydrophobic in nature EXCEPT 8) * addition silicone 1) condensation silicone ©) _polysulphide <8) polyether Scanned with CamScannerSee 2 U0 (x4 ion) 4 Water powder ratio for detal pls ay 0s © 02 S$. Bolting point of metyt meiaows MPT ee 4) 75 degree centigrade ©) 100.8 degree centigrade 6. Lower the contact angle of Hiquid with 8) poorer is the wetting ©) no affect on wetting 7. Fofce of atraction berween two unlike molecu a) ceramic ©) polymer 10, The function of sprue is to 035 aot ate regsee coma 708 dears comrade by % cohesion retention silica sodium chloride by stainless steel _a)~ form an opening for molten metal to enter the mould 'b) help polish ea 4d) reproduce fine details bubbles on the wax patter (Conservative Dentistry) 11. Conventional cavity varnishes should not be applied under a) Direct resin ©) Gold Camphor , a) Coy Activator agent 6) Amalgam: 4) Cast gold restoration 1one in composite resin acts as _-2)~ Photo initiator © Ini 13. ‘The cement of choice for temporary restoration is 8) Calcium hydroxide ©). Polyearboxylate cement BY” Zine onde exgenol ©) Glass iononer 4. Gypsum bonded investment should not be heated above 2700 C ©) 900.¢ »). 800 4) 1000,¢ = « @® 1 Ds per Eston, z ions gives back clinical service when residual mercury ble light activation system vis 17, Fluoride rich cements are a si ') Glass ionomer ©) Polycarbioxylate cement d)— All of the above 18, Chemical used to etch enamel is 2) Methyl methacrylate by Phosphoric acid ©) Fugenol €) Citric acid 19, Which of the following constituent is common in occlusal sealant, bonding agent and composite resin ? 2) Polymethyl methacrylate) Benzoin methyl ether of BIS-GMA 4) Silicate filler 26,. How soon after contamination does a zine, containing amalgam alloy start expanding ? 4) 3-4 hrs, by) 12 hrs. ey 3-5 days 4) L week SPACE FOR ROUGH WORK cioa=i) at cre syle 1B. Diseo sero Pere sufi of anal ern consis of ‘by Benzoyl : ides of silver b) Chlorias 2) NIN Dimethyl Potuidine rethacrylae ° orn ) {Glo i mehacryl ) Copper oxides 8) Oxides of Zine 14, 2 Hydroquinone owing impression ma fe used for making an ai terial can be used ‘Maximum mercurial intoxication in dental opertory results frm Which of clectroformed dies ? 8) “Ingestion of mercury a) Alginate by Aste JAY” Inhalation of mercury vapours ay Polysulide ©) Direet contact with mercury ©) Zine oxide eugene! 6. The miost effective way t0 con 8) Alteration of w/p 12 1) Addition of gypsum pieces during mixing None ofthe above p 15. The property of an alloy to be drawn into shets i known as a) Ducily )Rigity 4) None of the sbove trot seniég time of Gypsum is Increased sptaation oan Addition of accelerators and etarders ST, hain ch wens 16. Seting expansion of amalgam alloy decreases dve to which constinvents 1. Pilling ay Ta b) Silver 2) is accomplished by soaking the casting in baking soe aca bai » oo er rate nis fom sold ang 17. Funcion of coulins agent in compost resin is %) - remove invesinent from gold casing og 2) Bonding betwen fle particles 1) _ Adhesion of resin particles © is rien erent J” Binding between filer particles and the resin Dr ame 4) Bonding between tooth surface and the resin dy calcium sulfate monohydrate 18, Zine containing amalgam when contaminated with water releases %. (OT present in porcelain ? 8) Sulphur + BF Hydrogen 1b) feldspar ©) Oxygen 8) Chloride LY” calcium carbonate 4) amorphous material nad 19, Cobalt Chromium alleys contains eee eee 2) 30% Cobalt and 60% Chromium 2) Stainless steel wire = wire “by 60% Cobalt and 30% Chromium ©) TMA wine ©) Aluminium > |, Conservative Dentistry) (10x1=10), 20% Gold 11, The most important property of inlay wax is : 20, Common constituents in pit and fissure sealants, bonding agent, and composite resins ould not ake should sofia when heated told no le ay wine morta 0.1% a uno should have contras = & 2) - Polymethyl methacryiate bY" “bis-GM ©) Benzoyl methyl ether ®, SPACE FOR ROUGH WORK - » Scanned with CamScannerjou OVS rs F Geass rs stop oF ‘py nog p= sn ne spo a Hu TNA “WE em wry (pun amon 9H Ar sess seamed uz a a seat Sr HS HLA, “OE oreo © rene 6 sae spantites aeadove J 9 aged HL ent ges samen ‘meu tee Te no ee ca ete men faba ep om espe LE meter onan ieee este! yet ao na ston po mr ML“ meme mon es omer moms eer nae ont Se NT poneapamasnorenas "a eyo og Sy Shu ost ensne asY co em me a reer le emg @ aay soon ann @ zepo wna _rmear angege jeu 7 26» LON # BuO 4870 HAN “OF samen op” oeegAuusopeid aN“ sou vat sone) 2 JO HA pnodince vossodan sam consandur sd osc ‘ieusiy = rp arannee vows BUMOTR 210 NMS spurs mI soma toga’ oprand yore JA Teno oy CP "ear smaepJo'SoperuBUSod wr OOH, “va 0 Supiosze foie pop 302061 © LON #1 * cuca wena seston anh eet tq 200 wash 0 obvans~ Ce “Petgiians wo 9 spo send (P srven unpos Sroces enbined sem pion ev soe spat 0 vocone Buon) 07 FN aang © a saenray Some te emo pn tase a5 OF POPPE IED *F . act @ so @ Fro Boot" su(qr a) Sova Snongous vege jo wed MOR onary © swiog (0 are wnPRD sem pot te opt see opr nse SL. mpmas se oy (@ esa OI Ee aopogsaniar “owe rey Ue sped penne spn ou ome Pe aHmOAR PD IP ‘noun Geonuoporpora) @ow — > NOLS einen Scanned with CamScanner