1) The most important key of class II cavity preparation:

2) The intercuspal distance is:

3) The main objectives of operative dentistry during 1900 A.D were:

4) The first form of amalgam was brought to the attention of the dental profession in the United States by the crawcour brothers in:

5) The modified pen grasp has the following except:

6) Class V, carious lesions are on:

7) In the three unit formula of the instruments, the third is:

8) The following are true, except

9) Bite-Wing technique is to find:

10) Between all teeth crowns there are:

11) The grasps used for hand instruments are as followed except:

12) Rotary cutting instruments should be applied for caries removal and cavity preparation refinement in the range of:

13) Basic instrument formula consists of:

14) The following are true, except:

15) The following are true, except, the advantage of rubber dam are :

16) Which the following is not a treatment result in the restoration?:

17) Which of the following is contraindicated beneath composite resins as liner/base?

18) Composition of enamel consists of

19) The following are true, except are on, Class VI cavity is on:

20) The primary dentition has:

21) Class IV, carious lesions are on:

22) In acute caries:

23) Which material was advertised as the “Royal Mineral Succedaneum” by the CRAWCOUR brothers in United States?

24) Frequently used instruments for placing retentive grooves for amalgam and composite resins are:

25) Pulpal damage can result from:

26) Ideally, isolation of the operative field is accomplished by use of:

27) Nursing bottle rampant caries is an example of:

28) 61.

29) The finishing bur has:

30) The following are true, except:

31) G.V.Black prescribed the following nomenclature for the instruments. The class denotes:

32) The following statements on moderate carious lesions are correct except:

33) The following statements on indirect pulp capping are correct except:

34) The fourth unit added to the basic three unit instrument formula placed at 2nd position denotes:

35) The following are true except.

36) The dentinometer/Prepometer is used:

37) The purposes of cavity preparation are all of the following except:

38) The following are the indications of operative dentistry, except:

39) In residual carious lesions:

40) The following statements on the instrumentation used for tooth preparation are correct except:

41) Knoop hardness number of enamel is:

42) The following are the art and science of operative dentistry, except:

43) In the designation of tooth surface Mesial is

44) Areas on the tooth relatively self cleansable:

45) The mesial gingival margin trimmer has its second unit formula as followed:

46) Which of the following is not an external cause of tooth discoloration?:

47) The following are true, except:

48) All of the following statements are true except:

49) In attrition. It is:

50) Areas on the tooth surface relatively non self cleansable:

51) The old units converted to increase the speed from 5.000 R.P.M to 10.000 R.P.M were in use:

52) Which of the following is not a treatment of dental caries?:

53) The run-out of bur refers to the maximum displacement of the bur head from its axis. The average value of clinical acceptable run-out is about:

54) GV Black simply classified cavities as:

55) In tooth numbering there are mainly

56) The following are true, except:

57) Dr GV Black, father of operative dentistry had the following qualification:

58) The dental unit was in use:

59) Cavities that occur exclusively in posterior teeth are:

60) The following methods of debridement are effective but one is no longer acceptable:

61) D.M.F.S is:

62) The low copper dental amalgam alloy contains maximum amount of copper upto:

63) Proximal carious lesion occurs mostly:

64) The most reliable sterilization device is:

65) The following are true, except:

66) In a system, a tooth is designated number ‘46’ the tooth is:

67) Incipient carious lesions are as followed except:

68) GV Black classified carious lesion into, Class I carious lesions are on:

69) Resistance to proximal displacement in a clan II amalgam cavity is provided by:

70) “Double inverted cone” type of penetration of dental caries is seen in:

71) In acute caries:

72) Class III, carious lesions are on:

73) The air turbine angle hand piece with 250.000 R.P.M was in use:

74) In class V amalgam cavity the retention grooves are placed in the:

75) The hand rotated instruments were in use:

76) At 8 years of age normally:

77) The molars function for

78) Pit and fissure sealants are generally not used in:

79) Radiolucent material among the following is:

80) Class II, carious lesions are on

81) The class 1 occlusal tooth preparation is begun by entering the most carious pit with a punch. Cut using the n *245 carbide bur at high speed with air – water spray .

82) Which wall is the base of clans III preparation:

83) In abrasion. It is:

84) Which of the following is considered the most universal operating position for operator?

85) In tetracycline discoloration, staining is usually present on:

86) In tooth numbering there are:

87) The following are true, except:

88) The following statements on the success of direct pulp capping are correct except :

89) Which of the following is a main function of rubber dam?:

90) The establishment of first dental college of the world is at:

91) Chemical preparation of a tooth for restoration with composite resin involves use of:

92) In the United States, dentistry originated

93) Incidence of dental caries in young children is most effectively reduced by:

94) Transition from chisel to hoe by increasing blade angulation:

95) The cutting bur has:

96) The aims of operative dentistry are:

97) The following statements on direct pulp capping are correct except:

98) The oldest and most widely used method of tooth nomenclature is:

99) After operative procedure the patient

100) The establishment of the Baltimore College of dental surgery is

101) Which of the following instrument is not required in the Art (Atraumatic restorative treatment):

102) Angle former is a modified chisel. The angle of the cutting edge to the blade axis of the angle former is usually:

103) In general we call adolescent in the age:

104) The following statements on occlusal class I preparation are correct except :

105) Dental equipment refers of all of the following except:

106) Erosion:

107) The characteristic feature of rampant nursing bottle caries is as followed, except:

108) The following are true, except:

109) Areas on the tooth surface relatively non self cleansable:

110) The grasps used for hand instruments are:

111) Which of the following is a sign of dental caries?:

112) Harvard University was found:

113) The following statements on cavity preparation angles are correct except :

114) A mesial proximal carious lesion of the mandibular right 1st molar is indicated by:

115) Axial wall is:

116) The correction and restoration in operative dentistry are as followed except:

117) The marginal ridges are:

118) The first form of amalgam was a silver-mercury paste advocated by:

119) The following are true, except, The carious lesion can be dignosed:

120) Removal of deep, pulp encroaching caries should be made using:

121) A.R.T technique is:

122) The following statements on occlusal class I preparation are correct except :

123) To keep the balance of the instrument the working end of the blade is from the long axis of the handle:

124) The incisors function for:

125) In general we call an adult person at the age:

126) In the use of Radio-Visio-Graphy (R.V.G)

127) Operative dentistry is defined as that branch of the science and art of dentistry which deals with as followed except:

128) In arrested caries:

129) Between tooth crowns there are:

130) Pit and fissure lesions are represented by:

131) Teeth most commonly congenitally absent are:

132) The full name of G.V.Black is

133) Serious consideration before undertaking any operative procedure:

134) The instrument that is in the four unit formula is:

135) The class (es) of cavity which occurs in all teeth

136) The dental burs are made of:

137) The first deciduous tooth to erupt is the:

138) Fluoride can transform Hydroxyapatite into:

139) G.V.Black described a way to name dental instruments: The subclass denotes:

140) The following statements on peripheral seat or ledge on class 1 occlusal cavity are correct except :

141) The system to designate a tooth which is simple to understand and to teach as well as readily communicable in print and by wire is:

142) In high copper dental amalgam alloy, which phase either diminishes or is eliminated?

143) Baltimore is in

144) R.P.M in rotary instrument is:

145) Fluoridation of water in year 2000 is approximately:

146) From a clinical standpoint, the dental amalgam is:

147) Harvard University established the first University – affiliated dental program:

148) In a three unit formula, the second unit denotes:

149) Number of point angles in ‘Class 3’ cavity preparation is:

150) The air turbine straight hand piece with 25.000 R.P.M was in use:

151) At the cusp of molar the average thickness of enamel is:

152) Amelogenesis imperfecta can affect:

153) The kinds of attrition are:

154) The word laser is an acronym for:

155) KHN of dentin and cementum are respectively:

156) The chisel with corresponding instrument formula (12.7.0) is:

157) In general sense, all the hand cutting instruments are:

158) The electric engine was in use:

159) The following are true, except:

160) The marginal ridges are:

161) When a cavity is prepared for silver amalgam, the provision made to prevent displacement of filling is:

162) In the use of radio-vision Graphy (R.V.G)

163) The rampant caries are of the following except:

164) All of the following are features of the high copper amalgam alloys except:

165) We call ultra-low speed:

166) The excavators are as followed except:

167) The following statements on the success of indirect pulp capping are correct except :

168) The following statements on preventions of postoperative discomfort are correct except:

169) In chronic caries:

170) We call an older adult at the age:

171) Instruments that cannot withstand autoclaving may be sterilized effectively with:

172) The University that established the first University affiliated dental program is:

173) In the three number formula the second unit describes:

174) Example of floor or seat:

175) The rake angle is:

176) The following are the indications of operative dentistry, except:

177) The following are true, except the advantage of rubber dam are :

178) The following statements on walls of a prepared cavity are correct except :

179) The following statements on smear layer are correct except:

180) Development of smooth surface dental caries is due to all of the following except:

181) The spoon excavator is:

182) The instrument that is in the four unit formula is:

183) The type of chisel that has a curved blade is the:

184) Indications for operative procedures are, except:

185) The function of inverted burs:

186) Restoring instrument is composed of:

187) The function of cylindrical burs is :

188) The outline form of class V amalgam cavity is dictated principally by:

189) After topical fluoride treatment:

190) In general we call children at the age:

191) The diamond abrading instruments were in use:

192) The following statements on the depth of the cavity are correct except:

193) Pulpal wall is:

194) You indicate what is false: In the primary dentition there is:

195) The foot engine was in use:

196) G.V.Black prescribed following nomenclature for the instruments the order denote:

197) Childhood dentition is known:

198) The following are true, except are on:

199) The instrument formula numbers placed on the handle are in the following sequence:

200) The first unit of basic instrument formula denotes:

201) What is the main cause of dental caries?:

202) Percentage of pit and fissure caries in children is:

203) A technique which utilizes calcium hydroxide as liner placed on thin layer of questionable remaining dentin is termed as:

204) What is the main prevention of dental caries?:

205) During cavity preparation with rotary instrumentation heat production is directly proportional to all of the following except:

206) Smooth surface caries is mainly caused by:

207) The distal gingival margin trimmer has its second unit formula as followed:

208) We call low-speed:

209) Between tooth crowns there are:

210) The heritage of operative Dentistry in addition to the Blacks includes practitioners such as: