Oral Histology MCQs

Page No. 2

Gubernacular canal and gubernacular cord are seen in relation to____________?


aPermanent teeth

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bDeciduous teeth

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c Succedaneous teeth

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dNone of the above

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View Answer Succedaneous teeth

Accentuated incremental lines in dentin are______________?


a Incremental lines of retzius

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b Incremental lines of von Ebner

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cContour lines lines of owen

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d None of the above

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Which type of collagen fibers demonstrates Chicken wire configuration ?


a Type I

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bType II

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cType III

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dType IV

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View Answer Type IV

The deciduous teeth can be differentiated from permanent teeth by_____________?


aEnamel prismatic arrangement

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bDentinal tubule arrangement

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cPrimary and secondary dentin

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d Mineral content

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The first sign of future deciduous teeth as a thickening of oral ectoderm appears at about_____________?


a25th day of Intra uterine life

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b34th day of Intra uterine life

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c56th day of Intra uterine life

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d20 wks of Intra uterine life

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In mineralization which one of the following is known as Epitaxy ?


aBooster Mechanism

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b Seeding theory

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cAlkaline Phosphatase theory

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dCartier/s Adenosine Triphosphate theory

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View Answer Seeding theory

Movement of tooth to close the intermaxillary gap during eruption is due to____________?


aPhysiological tooth migration

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bActive eruption

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cPassive eruption

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d None of the above

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View Answer Active eruption

Teeth with out antagonist if erupt is called____________?


aStable

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bOver erupted

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cSupra erupted

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d Submerged

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View Answer Supra erupted

The most accepted theory of tooth eruption is____________?


aHydrodynamic theory

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bClone theory

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c Periodontal ligament traction theory

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d Vascular theory

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Hammock ligament is present_______________?


aBetween temporal and sphenoid bone

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bBetween hamular notch and mandible

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cIn apical area of a tooth

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dAs a part of deep cervical fascia

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