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Dental Morphology > Lecture 1 - Intro to dental morph > Flashcards

Lecture 1 - Intro to dental morph Flashcards

1
Q

what is included in the dental arch

A

teeth gingiva and associated bone

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2
Q

what is the maxillary arch

A

the upper arch including the associated teeth

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3
Q

what is the mandibular arch

A

the lower arch including the associated teeth

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4
Q

which arch of the jaw moves

A

only the mandible

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5
Q

how many permanent teeth are there

A

32

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6
Q

what is the permanent dental formula

A

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

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7
Q

what does the permanent dental formula describe

A

the number and order or permanent teeth

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8
Q

what are the anterior teeth and how many of each

A

incisors (8) and canines (4)

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9
Q

what are the posterior teeth and how many of each

A

premolars (8) and molars (12)

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10
Q

how may deciduous teeth are there

A

20
- 8 incisors
- 4 canines
- 8 molars

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11
Q

what is the decidous dental formula and what does it describe

A

describes the number and order of primary teeth
I 2/2 C1/1 M 2/2

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12
Q

what covers the crown of the tooth

A

enamel

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13
Q

what covers the root of the tooth

A

cementum

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14
Q

what is enamel

A

the dense hydroxyapatite surface of the crown

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15
Q

what is dentin

A

the inner hard layer of the crown and root

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16
Q

what is pulp

A

the vascular innervated portion of the tooth

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17
Q

what is cementum

A

the outer layer of the root surface

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18
Q

what is the DEJ

A

dentoenamel junction
-junction of enamel and dentin layers

19
Q

what is the CEJ

A

cementoenamel junction
- junction of enamel and cementum layers

20
Q

what is the cervical line

A

junction of the anatomical crown and root

21
Q

what is the clinical crown

A

the portion of the tooth that is visible in the mouth

22
Q

what is the anatomical crown

A

the crown above the CEJ

23
Q

what is a cusp

A

projection on a crown

24
Q

what is a fossa

A

depression or concavity between cusps or ridges

25
Q

what is a ridge

A

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

26
Q

what is a cingulum

A

lingual crown projection on anterior teeth

27
Q

what is a groove

A

line between the primary parts of a crown or root

28
Q

what is a pit

A

pinpoint depression at the junction or termination of a groove

29
Q

what is a lobe

A

primary center of development within a tooth

30
Q

what are mamelons

A

round projections of enamel on newly erupted teeth that develop from lobes

31
Q

what is the root apex

A

the opening in the root for entrance of the pulp

32
Q

what is the pulp chamber

A

chamber containing dental pulp

33
Q

what is the pulp horn

A

highest projection of pulp chamber within the crown

34
Q

what is the pulp canal

A

inner portion of the root containing the dental pulp

35
Q

what does the periodontium include

A

-gingiva
- cementum
- alveolar bone
- periodontal ligament

36
Q

what are the parts of the gingivia

A

-free gingiva
- attached gingiva
- interdental pulp

37
Q

what is alveolar mucosa

A

dark red, loose attachment to the underlying bone

38
Q

what is the mucogingival junction

A

junction of the alveolar mucosa and gingiva

39
Q

where is the free gingiva located

A

closer to the tooth crown, not attached to the bone

40
Q

where is the free gingival groove

A

separates attached gingiva from free gingiva

41
Q

what is the interdental papilla

A

the triangular shaped gingiva that occupies the gingival embrasure

42
Q

what is the gingival sulcus

A

space between tooth surface and narrow cervical collar of free gingiva

43
Q

what is the periodontal ligament

A

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

44
Q

what does the alveolar bone do

A

(alveolar proccess), forms and supports tooth sockets

Dental Morphology (12 decks)

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