Oral Histology MCQs

Page No. 2

Gubernacular canal and gubernacular cord are seen in relation to____________?


aPermanent teeth


bDeciduous teeth


c Succedaneous teeth


dNone of the above


View Answer Succedaneous teeth

Accentuated incremental lines in dentin are______________?


a Incremental lines of retzius


b Incremental lines of von Ebner


cContour lines lines of owen


d None of the above



Which type of collagen fibers demonstrates Chicken wire configuration ?


a Type I


bType II


cType III


dType IV


View Answer Type IV

The deciduous teeth can be differentiated from permanent teeth by_____________?


aEnamel prismatic arrangement


bDentinal tubule arrangement


cPrimary and secondary dentin


d Mineral content



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


a25th day of Intra uterine life


b34th day of Intra uterine life


c56th day of Intra uterine life


d20 wks of Intra uterine life



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


aBooster Mechanism


b Seeding theory


cAlkaline Phosphatase theory


dCartier/s Adenosine Triphosphate theory


View Answer Seeding theory

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


aPhysiological tooth migration


bActive eruption


cPassive eruption


d None of the above


View Answer Active eruption

Teeth with out antagonist if erupt is called____________?


aStable


bOver erupted


cSupra erupted


d Submerged


View Answer Supra erupted

The most accepted theory of tooth eruption is____________?


aHydrodynamic theory


bClone theory


c Periodontal ligament traction theory


d Vascular theory



Hammock ligament is present_______________?


aBetween temporal and sphenoid bone


bBetween hamular notch and mandible


cIn apical area of a tooth


dAs a part of deep cervical fascia



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