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

2) Chemically cured resin shrinks:?

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

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

5) Biting force in the molar region ranges from 😕

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

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

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

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

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

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

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

13) Potato starch is contained in which impression material ?

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

15) Impression plaster is a 😕

16) Proportional limit is defined as :

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

18) Bis-GMA is a reaction product of 😕

19) When the gold content of gold alloys increases 😕

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

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

22) The byproduct in condensation silicones is 😕

23) Metal has the following properties except 😕

24) Stearic acid in impression compound 😕

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

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

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

28) Main disadvantage of denture base soft reliner is 😕

29) Elgiloy arch wire is 😕

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

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

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

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

34) One of the following statements which one is incorrect regarding addition silicones 😕

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

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

37) The most commonly used implant type presently is 😕

38) Clinical significance of smear layer :

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

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

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

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

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

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

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

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

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

48) Following are the functions of impression compound except 😕

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

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

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

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

53) Resistance of a liquid to motion is called 😕

54) Higher mercury left in an amalgam leads to which of the following ?

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

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

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

58) Property which distinguishes composites from filled acrylic resins 😕

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

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

61) Strength of dental porcelain is dependent on 😕

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

63) In alginate impression the final gel is 😕

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

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

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

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

68) KHN of enamel is 😕

69) Crystalline materials have 😕

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

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

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

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

74) Silver has all the following characteristics except 😕

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

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

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

78) All are properties of waxes except 😕

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

80) Commonly used filler in composite is 😕

81) Calcium hydroxide is used for 😕

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

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

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

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

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

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

88) Spot out incorrect statement regarding zinc in dentistry 😕

89) Amalgam is less prone to corrosion 😕

90) Wrought metal 😕

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

92) Carnauba wax is preferred to candelilla wax as 😕

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

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

95) Alginate impression material deteriorates rapidly at 😕

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

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

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

99) Adhesion in composites is due to 😕

100) Noble metal alloys are classified according to their 😕

101) Most commonly used pit and fissure sealant is 😕

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

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

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

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

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

107) Commonly used coloring agent in impression plaster is 😕

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

109) Gypsum investments should not be heated above 😕

110) Conventional dental amalgam alloy contains 😕

111) In an alloy oxygen scavenger is 😕

112) Light source in the curing unit is usually 😕

113) Softening of impressing compound is best accomplished by 😕

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

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

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

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

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

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

120) Ideal method firing of porcelain is by using 😕

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

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

123) Impression compound is characterized by 😕

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

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

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

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

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

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

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

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

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

133) The main function of zinc in amalgam is 😕

134) Porcelain denture teeth 😕

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

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

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

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

139) Hand instruments for composites are made of 😕

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

141) Gold with high percentage elongation is best for 😕

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

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

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

145) In dental porcelains metallic oxides provide 😕

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

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

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

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

150) Thermal conductivity is proportional to 😕

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

152) Commonly used viscosity controller in composites is 😕

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

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

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

156) The main ingredient of casting waxes is 😕

157) The fluoride release from glass ionomer cement is 😕

158) 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 ?

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

160) Most common use of Zinc oxide eugenol paste 😕

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

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

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

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

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

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

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

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

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

170) Inorganic phase in a composite matrix 😕

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

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

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

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

175) The most commonly employed alloy combination for use in implants is 😕

176) Hypersensitivity reactions like contact dermatitis is caused by 😕

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

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

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

180) Nickel in base metal alloys increase its 😕

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

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

183) Montan waxes have the following properties except 😕

184) The desirable quality of porcelain is 😕

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

186) Pick out the incorrect statement regarding alginate impressions 😕

187) In dental plaster the main ingredient is 😕

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

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

190) In UV curing system the activator employed is 😕

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

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

193) Glass ionomer cenment is not recommended for 😕

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

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

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

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

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

199) Nickel sensitivity in the general population is 😕

200) Binder in the phosphate investment is 😕

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

202) Ideal metal used for electroplating polysulfide impression is 😕

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

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

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

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

207) The maximum warpage of acrylic denture occurs during 😕

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

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

210) Which of the following is called periphery wax ?

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

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

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

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