Oral Anatomy MCQs

Page No. 1

Which of the following is correct?


aFibronectin helps in attachment of fibroblasts to collagen


bCementicles are found in periodontal ligament of order individuals


cThe large nerve fibres are myelinated and are concerned with discerment of touch


dAll of the above


View Answer All of the above

The largest embrasure in posterior teeth is the__________?


aBuccal


bDistal


cLingual


dOcclusal


View Answer Lingual

Divergence from contact area in proximal surfaces causes embrasures____________?


aFacially


bLingually


ccervically


dFacially, lingually , cervically & occlusally



The widest incisal embrasure is normally found between which of the following permanent maxillary teeth _____________?


aCentral incisors


bCentral and lateral incisors


cLateral incisor and canine


dFirst and 2nd premolar



An imaginary occlusal curve that contacts the buccal and lingual cusp tips of mandibular buccal teeth is called the _____________?


aCatenary curve


bCurve of spee


cMonson curve


dWilson curve


View Answer Wilson curve

Generally , contact areas between posterior teeth are located in which directions from the centr of the proximal surface ____________?


aFacially and occlusally


bFacially and gingivally


cLingually and gingivally


dLingually and occlusally



The contact area on the distal side of a maxillary first premolar is located _____________?


aMiddle of the middle third with buccal embrasure wider than lingual


bMiddle of the middle third with lingual embrasure wider than buccal


cLitter cervical to the junction of occlusal and middle third of the crown with wide occlusal embrasure


dCervical third with buccal embrasure wider than lingual embrasure



Which anterior teeth have both mesial and distal contact areas of at the incisal third____________?


aMandibular centrals


bMandibular laterals


cBoth A and B


dNone of the above


View Answer Both A and B

Which teeth show less curvature on the crown above the cervical line than any other teeth_____________?


aMaxillary anterior


bMandibular canine


cMandibular anteriors


dMaxillary canine


View Answer Mandibular anteriors

The distance from the CEJ to the alveolar crest normally is____________?


a1 – 1.5 mm


b2 mm


c2 – 2.3 mm


d3 mm


View Answer 1 – 1.5 mm

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