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Dental Morphology > Introduction > Flashcards

Introduction Flashcards

1
Q

What is morphology?

A

the study of the form of things

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2
Q

What is the dental arch?

A

teeth, gingiva, and associated bone

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3
Q

What is the maxillary arch?

A

the upper arch including the associated teeth

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4
Q

What is the mandibular arch?

A

the lower arch and associated teeth

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5
Q

Do both the mandible and maxilla move?

A

no, only the mandible

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6
Q

How many permanent teeth are there?

A

32

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7
Q

What is the formula for permanent teeth?

A

I 2/2 C 1/1 P 2/2 M 3/3

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8
Q

How are quadrants formed?

A

divide each arch at the midline and then each half arch is a quadrant

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9
Q

What are the anterior teeth?

A

incisors (8) and canines (4)

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10
Q

What are the posterior teeth?

A

premolars (8) and molars (12)

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11
Q

How many deciduous or primary teeth?

A

20 (10 per arch)
-4 incisors
-2 canines
-4 molars

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12
Q

What is the deciduous dental formula?

A

I 2/2 C 1/1 M 2/2

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13
Q

What is the crown?

A

outside of tooth covered in enamel

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14
Q

What is the root?

A

under the gum covered with cementum

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15
Q

What is enamel?

A

the dense hydroxyapatite surface of the crown

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16
Q

What is dentin?

A

the inner hard layer of the crown and root

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17
Q

What is the pulp?

A

the vascular innervate portion of the tooth

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18
Q

What is the cementum?

A

the outer layer of the root surface

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19
Q

What is the dentoenamel junction?

A

junction of enamel and dentin layers

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20
Q

What is the cementoenamel junction?

A

junction of enamel and cementum layer3s

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21
Q

What is the cervical line?

A

junction of the anatomical crown and root

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22
Q

What is the clinical crown?

A

the portion of the tooth visible in the mouth

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23
Q

What is the anatomical crown?

A

the crown above the CEJ

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24
Q

What is the facial/buccal/labial surface?

A

outermost surface toward the cheek or lips

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25
Q

What is the lingual/palatal surface?

A

inner most surface toward the tongue or palate

26
Q

What is the mesial surface?

A

toward the median line

27
Q

What is the distal surface?

A

away from the median line

28
Q

What is the incisal surface?

A

the biting or incising edge of anterior teeth

29
Q

What is the occusal surface

A

the biting or chewing surface of posterior teeth

30
Q

What is a cusp?

A

the projection on a crown

31
Q

What is a fossa?

A

depression or concavity between cusps or ridges

32
Q

What is the ridge on the crown?

A

linear elevation on the surface of a tooth and is named according to location

33
Q

What is the cingulum?

A

lingual crown projection on anterior teeth

34
Q

What is the groove of a crown?

A

line between the primary parts of a crown or root

35
Q

What is the pit of a crown?

A

pinpoint depression at the junction or termination of a groove

36
Q

What is the lobe of a crown?

A

primary center of development within a tooth

37
Q

What are mamelon?

A

round projections of enamel on newly erupted teeth
-incisal remnant of incisor development

38
Q

What is the furcation of the root?

A

where the root divides

39
Q

What is the root apex?

A

the opening in the root for entrance of the pulp

40
Q

What is the pulp?

A

vascular innervated portion of the tooth

41
Q

What is the pulp chamber?

A

chamber containing dental pulp

42
Q

What is the pulp horn?

A

highest projection of pulp chamber within the crown

43
Q

What is the pulp canal?

A

inner portion of the root containing the dental pulp

44
Q

What is periodontium?

A

the tissues that surround the teeth
-gingiva
-cementum
-alevolar bone
-periodontal ligament

45
Q

What is the gingiva?

A

covers the bone and surrounds cervical portion of teeth
-plae pink

46
Q

What is alveolar mucosa?

A

dark red
-loose attachment to underlying bone

47
Q

What is mucogingival junction?

A

junction of alveolar muscosa and gingiva

48
Q

What is the free gingiva?

A

closer to the tooth crown, not attached to the bone

49
Q

What is the free gingival groove?

A

separates attached gingiva from free gingiva

50
Q

What is the interdental papilla (gingival papilla)?

A

the triangular shaped gingiva that occupies the gingival embrasure

51
Q

what is the gingival sulcus?

A

not seen visually, but can be evaluated with a periodontal probe
-space between tooth surface and narrow cervical collar of free gingiva

52
Q

What is the periodontal ligament?

A

surrounds tooth root and attaches tooth to alveolar bone

53
Q

What is alveolar bone?

A

forms and supports tooth sockets

54
Q

What is the blue part of the tooth?

A

incisal edge

55
Q

What is the orange part of the tooth?

A

occlusal surface

56
Q

What are the two arrows pointing to? (superior to inferior)

A

crown
root

57
Q

What are the four arrows pointing to? (superior to inferior)

A

enamel
dentin
pulp
cementum

58
Q

What are the two arrows pointing to? (superior to inferior) (junctions)

A

DEJ
CEJ

59
Q

What are the two arrows pointing to? (superior to inferior)

A

furcation
root apex

60
Q

What is this arrow pointing to?

A

gingival papilla

61
Q
A

Dental Morphology (7 decks)

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