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a & p of speech and hearing mechanism > Dentition > Flashcards

Dentition Flashcards

1
Q

Where are the teeth found?

A

Within the alveoli of the maxillae and mandible

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2
Q

What are the functions of the teeth

A

mastication and an articulatory surface for some speech sounds

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3
Q

How many teeth are there?

A

32

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4
Q

What are the four types of teeth?

A

incisors, cuspids (canines), bicuspids (pre-molars), and molars

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5
Q

Each tooth has a _____, which hides beneath the gum line or ______.

A

root; gingiva

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6
Q

What is infection of the gums known as?

A

gingivitis

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7
Q

What is the visible one-third of the tooth called?

A

the crown

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8
Q

The juncture (meeting) of the root and crown is the ____.

A

neck

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9
Q

What is the crown’s surface made of?

A

dental enamel

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10
Q

What does the dental enamel lie on top of?

A

the dentin or ivory of the tooth

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11
Q

What is the pulp of a tooth?

A

the heart of a tooth and where the nerve resides

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12
Q

What holds the tooth in the socket?

A

cementum - a thin layer of bone

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13
Q

What are the five tooth surfaces?

A

medial, distal, buccal, lingual, and occlusal

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14
Q

What is the medial surface?

A

surface towards the midline

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15
Q

What is the distal surface?

A

surface away from the midline

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16
Q

What is the buccal surface?

A

cheek side

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17
Q

What is the lingual surface?

A

tongue side

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18
Q

What is the occlusal surface?

A

contact surface between upper and lower teeth

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19
Q

What are the incisors used for?

A

cutting

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20
Q

What are the cuspid (canine)

A

a type of tooth that has a single cusp or point for tearing

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21
Q

What are the bicuspids (premolars)

A

a type of tooth that has 2 cusps or points for tearing

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22
Q

What are the molars?

A

a type of tooth that is large, has great occlusion surface (can make lots of contact), and is made for grinding;

23
Q

What is the largest molar?

A

1st molar

24
Q

What molar is the wisdom teeth?

A

3rd molar

25
Q

What is dentition?

A

the condition and arrangment of teeth

26
Q

When do baby (primary) teeth typically appear?

A

6-33 months

27
Q

When do permanent teeth typically appear?

A

6-21 years

28
Q

When do the central incisors develop in a newborn child’s upper teeth?

A

8-13 months

29
Q

When do the central incisors develop in a newborn child’s lower teeth?

A

6-10 months

30
Q

When do the cuspids develop in a newborn child’s upper and lower teeth?

A

16-23 months old

31
Q

When do the first molars develop in a newborn child’s upper and lower teeth?

A

13-19 months

32
Q

When do the second molars develop in a newborn child’s upper and lower teeth?

A

23-33 months

33
Q

For permanent teeth, when do the central incisors develop?

A

6-8 years old

34
Q

For permanent teeth, when do the lateral incisors develop?

A

7-9 years

35
Q

For permanent teeth, when do the cuspids (canines) develop?

A

9-12 years old

36
Q

For permanent teeth, when do the bicuspids (pre-molars) develop?

A

9-12 years old

37
Q

For permanent teeth, when do the second molars develop?

A

11-13 years old

38
Q

For permanent teeth, when do the third molars develop?

A

17-21 years old

39
Q

What is molar occlusion?

A

Bringing the upper and lower teeth together; for mastication to occur, it must happen properly

40
Q

What is considered a normal Class I molar relationship?

A

When the mandibular first molar occludes a bit anteriorly with the maxillary first molar

41
Q

What is a normal Class I molar relationship also known as?

A

neutroclusion

42
Q

What is a Class I maloclusion?

A

when the incisors are oriented abnormally but the bite is normal (i.e. the mandibular first molar occludes the maxillary first molar)

43
Q

What is Class II maloclusion?

A

when the cusp of the mandibular first molar occludes posteriorly with the cusp of the maxillary first molar.

44
Q

What are the two divisions of class II maloclusion?

A

Division I: overjet and Division II: overbite

45
Q

In an overjet, there is ______, whereas in an overbite, there is __________.

A

horizontal protrusion; vertical overlap

46
Q

What is Class III maloclusion?

A

The cusp of the mandibular first molar occludes very anteriorly with the cusp of the maxillary first molar; involves underbite

47
Q

What is torsiversion?

A

rotated or twisted on its long axis

48
Q

What is labioverted?

A

tilted towards the lips

49
Q

What is linguoverted?

A

tilted toward the tongue

50
Q

What is distoverted?

A

tilted away from the midline

51
Q

What is mesioverted?

A

tilted toward the midline

52
Q

What is infraverted?

A

not erupted far enough to make occlusal contact

53
Q

What is supraverted?

A

erupted too far and disrupts occlusal contact in other places

a & p of speech and hearing mechanism (17 decks)

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