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

2) All of the following statements are true except:

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

4) Baltimore is in

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

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

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

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

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

10) Areas on the tooth relatively self cleansable:

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

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

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

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

15) Pulpal wall is:

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

17) The electric engine was in use:

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

19) The following are true, except:

20) The first deciduous tooth to erupt is the:

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

22) Teeth most commonly congenitally absent are:

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

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

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

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

27) Nursing bottle rampant caries is an example of:

28) The diamond abrading instruments were in use:

29) The hand rotated instruments were in use:

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

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

32) Class III, carious lesions are on:

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

34) The marginal ridges are:

35) 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:

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

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

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

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

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

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

42) The function of cylindrical burs is :

43) The following are true, except:

44) In the designation of tooth surface Mesial is

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

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

47) In general we call adolescent in the age:

48) Amelogenesis imperfecta can affect:

49) Restoring instrument is composed of:

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

51) Axial wall is:

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

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

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

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

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

57) KHN of dentin and cementum are respectively:

58) Between all teeth crowns there are:

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

60) Harvard University was found:

61) The rake angle is:

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

63) Serious consideration before undertaking any operative procedure:

64) The spoon excavator is:

65) The following are true, except:

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

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

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

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

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

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

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

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

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

75) Fluoridation of water in year 2000 is approximately:

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

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

78) Basic instrument formula consists of:

79) The molars function for

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

81) Pulpal damage can result from:

82) The primary dentition has:

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

84) A.R.T technique is:

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

86) At 8 years of age normally:

87) The cutting bur has:

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

89) The modified pen grasp has the following except:

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

91) In abrasion. It is:

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

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

94) 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:

95) Pit and fissure lesions are represented by:

96) The grasps used for hand instruments are:

97) In arrested caries:

98) After topical fluoride treatment:

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

100) Composition of enamel consists of

101) The word laser is an acronym for:

102) In the United States, dentistry originated

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

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

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

106) The following are true, except:

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

108) The finishing bur has:

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

110) In tooth numbering there are:

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

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

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

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

115) After operative procedure the patient

116) Class II, carious lesions are on

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

118) The following are true, except:

119) Between tooth crowns there are:

120) The function of inverted burs:

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

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

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

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

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

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

127) 61.

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

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

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

131) We call an older adult at the age:

132) Proximal carious lesion occurs mostly:

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

134) The kinds of attrition are:

135) In acute caries:

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

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

138) The dentinometer/Prepometer is used:

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

140) The following are true, except:

141) Class IV, carious lesions are on:

142) The dental burs are made of:

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

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

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

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

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

148) The dental unit was in use:

149) The following are true except.

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

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

152) In acute caries:

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

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

155) Between tooth crowns there are:

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

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

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

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

160) Indications for operative procedures are, except:

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

162) The following are true, except

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

164) The incisors function for:

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

166) Radiolucent material among the following is:

167) The first unit of basic instrument formula denotes:

168) The rampant caries are of the following except:

169) We call ultra-low speed:

170) The intercuspal distance is:

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

172) In residual carious lesions:

173) Fluoride can transform Hydroxyapatite into:

174) Erosion:

175) Knoop hardness number of enamel is:

176) Incipient carious lesions are as followed except:

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

178) The excavators are as followed except:

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

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

181) In chronic caries:

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

183) GV Black simply classified cavities as:

184) The most reliable sterilization device is:

185) In tooth numbering there are mainly

186) The following are true, except:

187) Cavities that occur exclusively in posterior teeth are:

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

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

190) The marginal ridges are:

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

192) Childhood dentition is known:

193) The foot engine was in use:

194) 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 .

195) D.M.F.S is:

196) In general we call children at the age:

197) The aims of operative dentistry are:

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

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

200) Class V, carious lesions are on:

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

202) In attrition. It is:

203) Example of floor or seat:

204) The following are true, except:

205) Smooth surface caries is mainly caused by:

206) We call low-speed:

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

208) Bite-Wing technique is to find:

209) The following are true, except are on:

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