1) The constituent that acts as a binder in the investment is 😕

2) Ideal method firing of porcelain is by using 😕

3) In dental porcelains metallic oxides provide 😕

4) Which of the following is a measure of resistance to fracture ?

5) Which of the following represents the maximum safe concentration of mercury vapor in the breathing zone for a 40-hour workweek ?

6) Which of the following statements apply to the packable composites ?

7) Which one of the following is not true about high-copper dental amalgam restorations ?

8) Stearic acid in impression compound 😕

9) Gold casting alloys are classified as type I, II, III or IV among these, having highest hardness is 😕

10) A measure of ductility of a material is referred to as 😕

11) Impression compound is characterized by 😕

12) Nickel sensitivity in the general population is 😕

13) Resistance of a liquid to motion is called 😕

14) Inorganic phase in a composite matrix 😕

15) Compared to lathe-cut alloy, spherical dental amalgam alloys 😕

16) Which of the following composite is recommended for non stress bearing anterior restoration ?

17) The main ingredient of casting waxes is 😕

18) The most accurate polysulfide impressions are made by using a custom acrylic tray because 😕

19) Metal has the following properties except 😕

20) Oil of clove is sometimes used in preference to eugenal in ZOE paste because :

21) The strain at which the plastic strain develops may be represented by 😕

22) Strain that occurs when the material is stressed to its proportional limit is called 😕

23) Working time of denture resin should be at least 😕

24) Which one of the following mixing methods permits the escape of dental amalgam mercury vapor ?

25) Which of the following uses a hardened steel ball indenting tool ?

26) Which of the following statements about adhesion of composite restorations to tooth structure are true ?

27) Which has the highest viscoelastic property and requires more time to recover from deformation ?

28) Which of the following elastomers is suited for multiple cast pouring 😕

29) Which of the following mixing methods permits the escape of dental amalgam mercury vapor ?

30) Which of the following statements is incorrect regarding hydroxyapatite as an implant material ?

31) Gold with high percentage elongation is best for 😕

32) KHN of enamel is 😕

33) Which of these statements apply to the filler particles of composites ?

34) A full crown on a maxillary anterior tooth may be restored with which of the following restorative materials ?

35) A small portion of an anterior tooth would most likely be restored with which of the following ?

36) Which of the following is called periphery wax ?

37) Which of the following properties are higher for microhybrid composites than for microfilled composites ?

38) The temperature at which a solid changes to liquid is known as its 😕

39) One of the following statements which one is incorrect regarding polyether :

40) Spot out incorrect statement regarding zinc in dentistry 😕

41) Silver has all the following characteristics except 😕

42) The main advantage of composites compared to silicates cement is 😕

43) Adhesion in composites is due to 😕

44) In alginate impression the final gel is 😕

45) Montan waxes have the following properties except 😕

46) Which one of the following represents the maximum safe concentration of mercury vapor in the breathing zone for a 40-hour work week ?

47) In the cavities which are more than 2mm deep a light-cured restoration is 😕

48) The physical properties most desirable in set amalgam are which of the following ?

49) In dental plaster the main ingredient is 😕

50) A portion of a posterior tooth that is subject to high biting forces would likely be restored with which of the following ?

51) Modifiers are added to plaster of Paris mainly to 😕

52) Greening effect of porcelain is due to 😕

53) Minimum light exposure time for composite resins should be 😕

54) Polyether is different from other elastomers in the following aspects 😕

55) Ideally, the set amalgam should do which of the following ?

56) Which statements are true for bonding of amalgam to tooth structure ?

57) Clinical significance of smear layer :

58) Which of the following composites give rough surfaced finish ?

59) The catalyst used for condensation silicones is 😕

60) Thermal conductivity is proportional to 😕

61) Most commonly used pit and fissure sealant is 😕

62) The appropriate proportion of polymer to monomer component of dental resin by volume is generally 😕

63) Property which distinguishes composites from filled acrylic resins 😕

64) Which one of the following phases in dental amalgam restoration is most prone to electrochemical corrosion ?

65) An anterior fixed partial denture could have facings constructed of which of the following materials ?

66) Calcium hydroxide is used for 😕

67) Which of the following components acts as a refractory material in porcelain ?

68) Dispensing composite resins using a syringe is advantageous because it 😕

69) The purpose of burnishing the amalgam after condensation is to 😕

70) Which of the following polymer systems are used for the organic matrix in composites ?

71) The restorative material used to restore a small portion of an anterior tooth should have which of the following properties ?

72) Nickel in base metal alloys increase its 😕

73) Which one of the following is not a criterion for a failed high-copper dental amalgam restorations ?

74) The function of gum dammar in inlay wax is 😕

75) Excess composite from the labial surfaces can be removed by using 😕

76) Which of the following phases in dental amalgam restoration has the best mechanical properties ?

77) Which of the composites with the following fillers may be radiopaque ?

78) Gypsum investments should not be heated above 😕

79) The physical property measured in terms of the deformation of the structure per until dimensions is ?

80) Contamination of zinc-containing amalgam by moisture during triturating or condensation :

81) Which of the following statements is true regarding zinc phosphate cement ?

82) Stiffness of the material with passage of time is maximum in 😕

83) The chemistry behind the condensation of the amalgam is to 😕

84) The cracks formed on the ceramic during cooling because 😕

85) In deep caities, the resin which remains unpolymerized can cause 😕

86) Which of the following is the best choice of restorative material to achieve moderate to high strength, fluorite release, and esthetics ?

87) Which of the following is recommended as an adhesive to trays with polysulfides ?

88) In an alloy oxygen scavenger is 😕

89) The main function of zinc in amalgam is 😕

90) Which of the following is used to alter contour of impression trays ?

91) In visible light-cured composites photo initiator molecule is 😕

92) Which of the following is a measure of resistance to fracture ?:

93) Biting force in the molar region ranges from 😕

94) Setting of plaster of Paris is a result of 😕

95) Cobalt-chromium alloy is mostly used for the construction of 😕

96) Which of the following sentences describes the construction of removable partial dentures ?

97) Softening of impressing compound is best accomplished by 😕

98) A glaze is placed over the finished composite restoration to 😕

99) Full denture bases are usually made from which of the following materials ?

100) The type of stress to which dental amalgam is more resistant to 😕

101) Wet porcelain is condensed properly before firing to enhance all the properties except : ?

102) In a porcelain fused to metal restoration, the porcelain is-bonded to metal by 😕

103) Oxalates, carbonates, potassium, trisodium phosphates are added to alginate as 😕

104) Conventional dental amalgam alloy contains 😕

105) Commonly used coloring agent in impression plaster is 😕

106) The following statements about dental porcelains are true except 😕

107) Porcelain-bonded to metal is stronger when fired 😕

108) All are properties of waxes except 😕

109) Minimal thickness of base for adequate thermal insulation is 😕

110) Dental personnel can do which one of the following to limit their exposure to mercury ?

111) Setting time of alginate can be better controlled by 😕

112) Silver in the set amalgam alloy tends to have the following effect 😕

113) Materials having coefficient of thermal expansion close to the tooth structure 😕

114) Once amalgamation has occurred, which of the following is true of mercury ?

115) When the gold content of gold alloys increases 😕

116) Noble metal alloys are classified according to their 😕

117) The greatest amount of dimensional change after setting is exhibited by 😕

118) In UV curing system the activator employed is 😕

119) Commonly used viscosity controller in composites is 😕

120) Which of the following metals currently are used in dental alloys ?

121) Which of the following office conditions minimize the health hazard from spilled mercury ?

122) Carnauba wax is preferred to candelilla wax as 😕

123) The energy absorbed by a material when it is stressed to its proportional limit is 😕

124) Condensation of porcelain is done by all the methods except 😕

125) The gelation temperature of agar hydrocolloid impression material should be 😕

126) Which one of the following office conditions minimize the health hazard from spilled mercury ?

127) Hypersensitivity reactions like contact dermatitis is caused by 😕

128) Distortion on removal from undercuts in addition silicones is very less due to 😕

129) The desirable quality of porcelain is 😕

130) The noble or base metal alloys used for PFM should have the following requisite :

131) The reason for hydroxyapatite coating on implant biomaterials is 😕

132) Zinc oxide eugenal impression should be removed from oral cavity :

133) Glass ionomer cenment is not recommended for 😕

134) Crystal structures of metals are all the following except 😕

135) Thickness of the gel between the tray and tissue for either agar or alginate should always be at least 😕

136) Which of the following waxes used to align of castings before soldering ?

137) Which of the following statements about curing of composites are true ?

138) For luting purpose, the film thickness should be 😕

139) Light source in the curing unit is usually 😕

140) The impression material which is routinely used in auto mixing devicee system is 😕

141) Which of the following material has a high coefficient of thermal expansion ?

142) The most effective cement in stimulating tertiary dentin is 😕

143) Wrought metal 😕

144) All of the following are properties of Co-Cr-Ni wires except 😕

145) Chemically cured resin shrinks:?

146) The product that is formed on the surface of the amalgam restoration and frequently result in discoloration is 😕

147) Color stability of cold-cured resins is inferior to that of heat cured resins due to 😕

148) Acrylic resins are used in which of the following ?

149) Following are the functions of impression compound except 😕

150) Which of the following sentences describes the construction of removable partial dentures ?

151) Which of the following waxes is obtained from distillation of petroleum ?

152) The byproduct in condensation silicones is 😕

153) One of the disadvantages of using quartz as filler in restorative resin is 😕

154) Which of the following phases in dental amalgam restoration is most prone to electrochemical properties ?

155) The primary difference between low- and high-copper amalgams is which of the following ?

156) Regarding Knoop hardness number, which of the following material is closest to that of dentine (KHN 65) ?

157) The main use of zinc oxide eugenol cement is 😕

158) Which of the following materials are used for dental implants ?

159) Bis-GMA is a reaction product of 😕

160) Porosity in denture base resins can be due to 😕

161) A direct restorative material used frequently to restore a portion of a posterior tooth that is subject to large biting forces would possess which of the following properties ?

162) Impression plaster is a 😕

163) Which of the following base is contraindicated for composites ?

164) Which of the following occurs when dental amalgam is overmixed ?

165) The common characteristic for pit and fissure sealant composite resins, acrylic appliances and elastomeric impression materials is :

166) Which of these statements are correct in terms of preparing a correctly triturated mass of amalgam ?

167) Greater ratio fo zinc oxide to eugenol will have the following effect on setting time 😕

168) A cavity varnish used for lining the preparation for a dental amalgam restoration will :

169) Pick out the incorrect statement regarding alginate impressions 😕

170) Commonly used filler in composite is 😕

171) The reason zinc oxide eugenol cement is used as a temporary restoration 😕

172) The fluoride release from glass ionomer cement is 😕

173) Alginate impression material deteriorates rapidly at 😕

174) Side effects and complications resulting from treatment by a physician or dentist is 😕

175) The maximum warpage of acrylic denture occurs during 😕

176) Proconditioning before GIC restoration is done in order to 😕

177) The cavity for a GIC restoration is preconditioned with 😕

178) If the light cure resin is curd in increments, it helps in 😕

179) Hydrocolloid impression should be removed from the mouth with a sharp jerk because 😕

180) Crystalline materials have 😕

181) The main resin constituent of polishable composite resin is 😕

182) When a mechanical device is used for mixing addition silicones 😕

183) Which one of the following phases in dental amalgam restoration has the best mechanical properties ?

184) Proportional limit is defined as :

185) Main disadvantage of laminate technique of making impression is : ?

186) Which of the following statements about compomers are true ?

187) Elgiloy arch wire is 😕

188) Dental porcelains are manufactured by a process termed as 😕

189) Strength of dental porcelain is dependent on 😕

190) Which of the following properties of calcium hydroxide cement help in the formation of reparative dentin ?

191) Which of the following statements about laboratory composites are true ?

192) Cavity varnish should not be applied when the following is used as a filling material 😕

193) Of the four types of gold casting alloys, the most commonly used for crowns and bridges is 😕

194) Potato starch is contained in which impression material ?

195) A potentially toxic element in base metal alloys is 😕

196) The light from the visible light curing unit can cause 😕

197) The light-cured restorative resins have advantages over chemically activated restorative resins as 😕

198) In a porcelain fused to metal restoration, when the coefficient of thermal expansion of metal and porcelain are different 😕

199) Hand instruments for composites are made of 😕

200) An anterior fixed partial denture could have facings constructed of which of the following materials ?

201) The most commonly used implant type presently is 😕

202) Which of the following initiator-accelerator systems is needed for a light-activated composite?

203) Which of the following properties would be of least importance, when selecting an impression material ?

204) Binder in the phosphate investment is 😕

205) Main disadvantage of denture base soft reliner is 😕

206) For proper wetting, contact angle should be ideally 😕

207) For each property, list the amalgam type (irregular low-copper, admixed high-copper, and spherical high-copper ) that has the highest value?.

208) The temperature at which a solid changes into liquid is called 😕

209) Porcelain denture teeth 😕

210) Ideal metal used for electroplating polysulfide impression is 😕

211) The tendency of stainless steel to break under repeated condition of cyclic stressing below the ultimate strength is 😕

212) Sulfur contamination from natural latex gloves inhibits the setting of 😕

213) Passiveness of chrome cobalt alloys is due to formation of 😕

214) Amalgam is less prone to corrosion 😕