Oral Histology MCQs

Page No. 30

Width of the periodontal ligament is least at______________?


aCervical third

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bApical third

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cFulcrum of rotation

✓


d It has uniform width

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View Answer Fulcrum of rotation

Development of supporting tissues of the tooth is initiated by____________?


a Cells of dental follicle

✓


bCells of odontogenic layer

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cCementoblasts

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dCells of the gingiva

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The periodontal ligament is approximately_____________?


a0.25 mm in thickness

✓


b0.5 mm in thickness

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c 0.75 mm in thickness

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dmm in thickness

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View Answer 0.25 mm in thickness

Width of PDL is_______________?


a0.10 mm

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b0.50 mm

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c0.25 mm

✓


d0.75 mm

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View Answer 0.25 mm

The type of bone present in the labial area of anterior teeth is_______________?


a Cortical

✓


bCancellous

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cOsteophytics

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dExophytic

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View Answer Cortical

In a dried skull, holes on the lingual aspects of the deciduous teeth are called_____________?


aVolkmann canals

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bCanals of Hirchfeld and Zuckerland

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cHerversian canals

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d Gubernacular canals

✓



Which of the following structures is not found in a living pulp ?


aCollagen fibres

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bHaversian fibres

✓


cNon-myelinated nerve fibres

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dReticulum

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View Answer Haversian fibres

All of the following are true about functions of dental pulp except______________?


aFormation of dentin

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bNerve supply to dentin

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cSends impulses to CNS

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d Nerve supply to enamel through fibres

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The primary function of the dental pulp is____________?


aNutritive

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bProduction of dentin

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cProduction of enamel

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d Vascular supply to the teeth

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View Answer Production of dentin

Weil’s zone of pulp is__________?


aCell degenerated zone

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bCell rich zone

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cCell regenerated zone

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dcell free zone

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View Answer cell free zone

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