Mandibular Central Incisor Anatomy: Tooth Surfaces & Features

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Last updated 12:18 AM on 10/14/26
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12 Terms

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Mandibular Central Incisor

Smallest and simplest tooth

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Bilaterally Symmetrical

Mesial & distal are Mirror Image

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Incisal Edge

Straight - Perpendicular to long axis

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MI & DI Angles

Right angles

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Root Taper

Tapers even to Sharp Apex

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Lingual Surface

Bilaterally Symmetrical with Smooth Surface

Indistinguishable lingual fossa

Smooth root

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Mesial

Not bilaterally symmetrical, distinct depression on root surface.

Wide root with seen concavity

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Incisal Ridge

Lingual to long Axis

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Incisal dimension

Narrow MD, the FL is wider

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Facial - contacts

Medial and distal are incisal 3rd of crown

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Cingulum is

Centered

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Cross Section

Hour Glass Shape