Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Dental Assisting > Chapter 10: Landmarks Of The Face And Oral Cavity > Flashcards

Chapter 10: Landmarks Of The Face And Oral Cavity Flashcards

1
Q

Anatomical crown

A

Portion of tooth covered by enamel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Clinical crown

A

Portion of tooth that is visible in the mouth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Enamel

A
  • the hardest material in the body

- formed by ameloblasts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is composed of calcified enamel prisms or enamel rods

A

Enamel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Hydroxyapatite crystals

A

Found in enamel, consists primarily of calcium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Striae of retzuis

A

Incremental growth lines or bands seen in tooth enamel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Hypocalcified or uncalcified ends of enamel rods that extend from DEJ into enamel

A

Enamel tufts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Cracks or faults found microscopically in enamel which extend from the enamel surface toward DEJ

A

Enamel Lamellae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Enamel spindles

A

End of ondontoblast fiber extend slightly into enamel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Hunter-Schreger Bands

A

Alternating dark and light bands in enamel. Caused by intertwining or changing direction of prisms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Dentin

A
  • covered by enamel and cementum and protects the pulp

- formed by ondontoblasts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Dentinal tubules

A

Canals in dentin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Dentinal fibre

A

Transmits pain stimuli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Primary dentin

A

Formed before eruption of tooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Secondary dentin

A

Forms after eruption of tooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Repetitive dentin or tertiary dentin

A

Formed in response to irritation

-ex. Cavities, erosion, dental treatment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Pulp

A

Tooth receives nourishment from pulp

-formed by fibroblasts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Radicular pulp

A

Root pulp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Apical foramen

A

Opening at the apex for continuation of the nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Cementum

A

Connective tissue / anchors tooth in bony socket

Formed by cementoblasts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

The periodontium is divided into 2 units which are?

A

Attachment apparatus and the gingival units

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Attached apparatus consists of ?

A

Cementum, alveolar process, periodontal ligaments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

The attachment apparatus

A

Supports maintains and retains the tooth in functional position

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

The extension of bone from mandible and maxilla

A

Alveolar process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Osteoblasts

A

Form bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Is the mandible or maxilla more dense

A

The mandible is more dense

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Cortical plate of the alveolar process

A

Is a dense outer covering of the spongy bone and is the central part of the alveolar process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Alveolar crest

A

Highest point of the alveolar ridge

It is fused with the cortical plate

29
Q

Alveolar socket

A

Cavity with the alveolar process, surrounds the root of the tooth

30
Q

The bony socket that separates one socket from another is the

A

Interdental septum

31
Q

The bone that separates the roots of multi-rooted tooth

A

Interradicular septum

32
Q

The lamina dura is also known as

A

The cribriform plate

33
Q

The lamina dura is what?

A

A thin compact bone that lines the alveolar socket

34
Q

Periodontal ligaments are what

A

Dense connective tissue that connect cementum with alveolar bone of the socket wall

35
Q

Sharpeys fibres

A

Attachment/embedded points in cementum and bone that are mineralized

36
Q

What are the 3 different fiber groups in periodontal ligaments

A

Periodontal fiber group, transseptal fiber groups, gingival fiber groups

37
Q

Periodontal fiber groups

A

Support the tooth in socket

38
Q

What supports the tooth in relation to neighbouring teeth

A

Transseptal fiber group

39
Q

What supports the gingiva that surrounds the tooth

A

Gingival fiber group

40
Q

Alveolar crest fibers

A

Opposes lateral forces

41
Q

What prevents lateral movement

A

Horizontal fibers

42
Q

Oblique fibers

A

Main support of the tooth as they are most numerous and resist forces

43
Q

What fiber prevents tipping and resists twisting

A

Apical fibers

44
Q

Interdental fibers are found where and secures what

A

In between teeth and secure position of adjacent tooth

45
Q

What are the three types of mucosa in the gingival unit

A

Lining mucosa, masticatory mucosa and specialized mucosa

46
Q

What mucosa lines the inside of the cheeks, lips, split palate and ventral surface of the tongue

A

Lining mucosa

47
Q

The masticatory mucosa covers what and is designed to do what

A

Attached gingiva, hard pallets and dorsum of the tongue

-designed to withstand forces of chewing

48
Q

The specialized mucosa is responsible for what

A

Sensations of taste and covering the dorsal of the tongue

49
Q

Gingiva is also known as the what

A

Gums

50
Q

A healthy gingiva looks how

A

Stippled and similar to the surface of an orange

51
Q

The unattached gingiva is also known as the what

A

Marginal or free gingiva

52
Q

Space between tooth and gum

A

Sulcus

53
Q

Epithelial attachment

A

Tissue at the base of sulcus where the gingiva attaches to the tooth

54
Q

The extension of the free gingiva that fills the interproximal embrasure between the two teeth is known as

A

Interdental gingiva

55
Q

A shallow groove that runs parallel to the margin of the unattached gingiva and marks the beginning of attached gingiva

A

Gingival groove

56
Q

The oral cavity consists of two areas which are

A

Vestibule and the oral cavity proper

57
Q

Vestibule is the space between what

A

Teeth and inner mucosal lining of the lips and cheeks

58
Q

The space on the tongue side within the upper and lower dental arches is the what

A

Oral cavity proper

59
Q

Mucobuccal fold

A

The base of each vestibule where the bucks mucosa meets the alveolar mucosa

60
Q

Fordyce’s spots are what

A

Misplaced sebaceous glands

61
Q

The white ridge of raised tissue extending horizontally at the level where the max and mand teeth come together is known as

A

Linea alba

62
Q

a slightly raised line extending from the back of the incisive papilla and down the middle of the hard palate

A

Palatine raphe

63
Q

The palatine Rugae is what

A

the ridges that run horizontally across the hard palate behind the incisive papilla

64
Q

The opening between the two pillars and contains the palatine tonsils is known as what

A

Isthmus or fauces

65
Q

What is the ala

A

Winglike tip on the outer side of each nostril

66
Q

Philtrum

A

Vertical groove on the midline of the upper lip

67
Q

Tragus

A

Cartilage projection anterior to the external opening of the ear

68
Q

Canthus

A

Fold tissue at the corner of the eyelid

69
Q

The line that marks a colour change from your face to your lips is known as

A

Vermillion border

Dental Assisting (32 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions