Developmental Abnormalities of the Dentition Flashcards

1
Q

name the abnormality of the dentition that is a congenital lack of teeth

A

anodontia

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2
Q

name the abnormality of the dentition that extra teeth are found in the mouth also known as hyperdontia

A

supernumerary teeth

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3
Q

name the abnormality of the dentition that extra teeth are found in the mouth located b/w MX centrals

A

mesiodens

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4
Q

supernumerary teeth may be part of what syndromes?

A
  1. Cleidocranial dysplasia

2. Gardner’s Syndrome

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5
Q

name the abnormality of the dentition with small teeth

A

Microdontia

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6
Q

name the abnormality of the dentition with large teeth

A

macrodontia

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7
Q

name the abnormality of the dentition occurring when a single tooth germ attempts to divide and results in incomplete formation of two teeth (twinning)

A

germination

**patient has normal number of teeth!

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8
Q

name the abnormality of the dentition resulting from union of two separate adjacent tooth germs

A

fusion

*****(less than normal tooth count)

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9
Q

name the abnormality of the dentition with an abnormal curve to root

A

dilacerations

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10
Q

name the abnormality of the dentition where small, round enamel projection located on root surface and may cause perio problems

A

enamel pearl

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11
Q

name the abnormality of the dentition when two adjacent teeth are fused by cementum only!!!!

A

concrescence

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12
Q

name the abnormalities of the dentition known as “bulls teeth” and can be seen in both deciduous or permanent teeth; and is an abnormality of molar teeth caused by alteration of Hertwig’s root sheath

A

taurodontism

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13
Q

name the abnormality of the dentition resulting when enamel organ invaginates into the crown of tooth before mineralization and the name is meant “tooth within a tooth”

A

dens in dente

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