Structural landmarks of teeth

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Last updated 3:40 AM on 10/8/26
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15 Terms

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<p>Lobes</p>

Lobes

What fuses together from 4 or more growth centres to form the crown (creates lines where 4 lobes fuse)

<p>What fuses together from 4 or more growth centres to form the crown (creates lines where 4 lobes fuse)</p>
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<p>Developmental grooves</p>

Developmental grooves

lines that separates primary parts of crown or root (shallow grooves are formed when the 4 lobes fuse)

<p><span>lines that separates primary parts of crown or root (<u>shallow grooves are formed when the 4 lobes fuse</u>)</span></p>
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<p>Tubercle </p>

Tubercle

small elevated area of enamel on the lingual surface

<p><span>small elevated area of enamel on the lingual surface</span></p>
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Fossa

irregular rounded depression/concavity found on surface of tooth


Can be lingual or triangular

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Lingual fossa

Found on lingual surface of incisors or canines

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Triangular fossa

V shape irregular depression found or molars and premolars on occlusal surfaces

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<p>Cingulum</p>

Cingulum

Rounded enamel bulge on cervical area of lingual surface of anterior teeth

<p>Rounded enamel bulge on cervical area of lingual surface of anterior teeth </p>
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Pit

Found on occlusal surfaces of molars where developmental grooves cross or join

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Cusp

Major elevation on crown of canine, premolar, and molar

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Ridge

Linear elevation on surface of tooth named according to location or form (bucal lingual Mesial distal)

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<p>Marginal ridges </p>

Marginal ridges

Raised rounded borders of enamel forming margins mesially and distally


Occlusal surface of posterior

Lingual surface of antieoror

<p>Raised rounded borders of enamel forming margins mesially and distally </p><p></p><p>Occlusal surface of posterior</p><p>Lingual surface of antieoror </p>
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Concavity

Depression in a surface

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<p>Lingual groove </p>

Lingual groove

developmental line separating 3 labial lobes from cingulum or cusps of posterior teeth

<p><span><strong>developmental line</strong> separating 3 labial lobes from cingulum or <strong>cusps of posterior teeth</strong></span></p>
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<p>Triangular groove </p>

Triangular groove

ridges that descend from tips of cusps of molars/ premolars towards central part of occlusal surface 


Named after cusps to which they belong

<p><span>ridges that <strong>descend from tips of cusps of molars/ premolars towards central part of occlusal surface&nbsp;</strong></span></p><p></p><p><span><u>Named after cusps to which they belong</u></span></p>
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<p>Transverse groove</p>

Transverse groove

union of 2 triangular ridges (buccal and lingual ridge) that cross or join transversely across surface of posterior teeth

<p><span>union of <strong>2 triangular ridges (buccal and lingual ridge) that cross or join transversely across surface of posterior teeth</strong></span></p>