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Dental Morphology > What is morphology? > Flashcards

What is morphology? Flashcards

1
Q

morphology

A

the study of the forms of things

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2
Q

nomenclature

A

terms used to describe human dentition. the surfaces, and identifying characteristics

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3
Q

dental arch

A

teeth, gingiva, and associated bone

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4
Q

of dental arches

A

2

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5
Q

maxillary arch

A

the upper arch including the associated teeth

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6
Q

mandibular arch

A

the lower arch and associated teeth

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7
Q

only the — moves

A

mandible

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8
Q

how many permanent teeth

A

32

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9
Q

permanent dental formula

A

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

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10
Q

each arch is divided in half at the

A

midline

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11
Q

each half arch is a

A

quadrant

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12
Q

anterior teeth

A

incisors (8)

canines (4)

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13
Q

posterior teeth

A 
pre molars (8)
molars (12)
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14
Q

how many deciduous or primary teeth

A

20

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15
Q

how many per arch?

A 
10
4 incisors
2 canines
4 molars 
no premolars
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16
Q

deciduous dental formula

A

I (2/2) C (1/1) M (2/2)

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17
Q

crown

A

covered with enamel

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18
Q

root

A

covered with cementum

one or more roots

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19
Q

enamel

A

the dense hydroxyapatite surface of the crown

hardest surface in the body

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20
Q

dentin

A

the inner hard layer of the crown and root

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21
Q

pulp

A

the vascular innervated portion of the tooth

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22
Q

cementum

A

the outer layer of the root surface

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23
Q

dentoenamel junction (DEJ)

A

junction of enamel and dentin layers

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24
Q

cementoenamel junction (CEJ)

A

junction of enamel and cementum layers

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25
Q

cervical line

A

junction of the anatomical crown and root

26
Q

clinical crown

A

the portion of the tooth that is visible in the mouth

27
Q

anatomical crown

A

the crown above the CEJ

28
Q

the clinical crown can be greater than the anatomical crown depending on

A

recession and health of the gums

29
Q

facial (buccal/labial)

A

outer most surface toward the cheek or lips

30
Q

lingual (palatal)

A

inner most surface toward the tongue or palate

31
Q

mesial

A

toward the median line

32
Q

distal

A

away from the median line

33
Q

incisal

A

the biting or incising edge of the anterior teeth

34
Q

occlusal

A

the biting or chewing surface of the posterior teeth

35
Q

cusp

A

projection on a crown

elevations

36
Q

fossa

A

depression or concavity between cusps or ridges

37
Q

ridge

A

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

38
Q

cingulum

A

lingual crown projection on the anterior teeth

39
Q

groove

A

line between the primary parts of a crown or root

40
Q

pit

A

pinpoint depression at the junction or termination of a groove

41
Q

lobe

A

primary center of development within a tooth

42
Q

mamelon

A

round projections of enamel on newly erupted teeth

incisal remnant of incisor development

43
Q

furcation

A

where the root divides

44
Q

root apex

A

the opening in the root for entrance of the pulp

45
Q

pulp

A

vascular innervated portion of the tooth

46
Q

pulp chamber

A

chamber containing dental pulp

47
Q

pulp horn

A

highest projection of pulp chamber within the crown

48
Q

pulp canal

A

inner portion of the root containing the dental pulp

49
Q

periodontium

A

the tissues that surround the teeth

50
Q

periodontium includes (4)

A

gingiva
cementum
alveolar bone
periodontal ligament

51
Q

gums/gingiva covers

A

the bone and surrounds the cervical portions of teeth

52
Q

cervical means

A

toward CEJ

53
Q

gingiva is divided into (3)

A

free gingiva
attached gingiva
interdental papilla

54
Q

alveolar mucosa

A

dark red; loose attachment to the underlying bone

55
Q

mucogingival junction

A

junction of the alveolar mucosa and gingiva

56
Q

free gingiva

A

closer to the tooth crown, not attached to bone

57
Q

free gingival groove

A

separates attached gingiva from free gingiva

58
Q

interdental papilla (gingival papilla/GP)

A

the triangular shaped gingiva that occupies the gingival embrasure

59
Q

gingival sulcus

A

space between tooth surface and narrow cervical collar of free gingiva

60
Q

gingival sulcus is not seen visually, but

A

can be evaluated with a periodontal probe

61
Q

periodontal ligament (PDL)

A

surrounds tooth root and attaches tooth to alveolar bone (periodontal fibers)

62
Q

alveolar bone

A

aka alveolar process

forms and supports tooth sockets

Dental Morphology (5 decks)

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