definitions for bell ringer Flashcards

know the definitions (26 cards)

1
Q

anatomical crown

A

part of the crown covered by enamel

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2
Q

anatomical root

A

part of the tooth covered by cementum

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3
Q

clinical crown

A

part of the anatomical crown visible in the mouth

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4
Q

clinical root

A

part of the anatomical root that is embedded into the jaw

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5
Q

cervical line

A

separation between anatomical crown and anatomical root; junction between enamel and cementum

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6
Q

contact

A

point or area where one tooth touches its neighbour

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7
Q

cusp

A

projection from the occlusal surface of the crown

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8
Q

cusp ridge

A

border of the cusp

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9
Q

cusp tip

A

the point of the cusp

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10
Q

embrasure

A

triangular spaces formed by the curvatures, adjacent to the contact areas between two teeth

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11
Q

fossa

A

concavity on the surface of a tooth

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12
Q

groove

A

sharply defined line

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13
Q

developmental groove

A

sharply defined narrow and linear depression formed during tooth development

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14
Q

height of contour

A

imaginary curved line encircling the tooth at the greatest bulge

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15
Q

interproximal

A

surfaces facing towards adjacent tooth

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16
Q

line angle

A

intersection of two planes or surfaces

17
Q

point angle

A

intersection of three planes

18
Q

mamelons

A

lobe on anterior teeth; rounded protuberances seen on unworn surfaces of freshly erupted anterior teeth

19
Q

oblique ridge

A

the union of 2 ridges running obliquely across the occlusal surface

20
Q

pit

A

small pin-point depression at the junction of the developmental grooves or at the termination of these groups

21
Q

ridge

A

linear elevation on surface of teeth

22
Q

pulp chamber

A

cavity within crown having pulp tissue

23
Q

root canal

A

area within roots

24
Q

transverse ridge

A

created when the B and L triangular ridges join

25
triangular ridge
elevation that extends from cusp tip to center of occlusal surface
26
tubercle
small elevation produced by extra formation of enamel (deviation of typical form)