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NDAP NAVDEN 101 Unit 2: Basic Dental Science > Lesson 2.1: Anatomy of the Oral Cavity > Flashcards

Lesson 2.1: Anatomy of the Oral Cavity Flashcards

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1
Q

Part of the tooth encased in enamel; above and below the gum line

A

Anatomical Crown

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2
Q

Root tip

A

Apex

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3
Q

Name for the opening at the root tip (where blood vessels and nerves enter)

A

Apical foramen

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4
Q

Where the anatomical crown and root meet

A

Cemento-enamel junction

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5
Q

Part of the tooth covered in enamel; above the gum line

A

Clinical crown

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6
Q

Portion of the tooth covered by enamel

A

Crown

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7
Q

Innermost section of the tooth that provides sensation

A

Pulp

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8
Q

Runs from the apical foramen to the pulp chamber

A

Pulp Canal

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9
Q

This encases the pulp

A

Pulp Chamber

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10
Q

This makes up the anatomical crown’s outer layer

A

Enamel

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11
Q

Enamel is the ______ material in the human body

A

hardest

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12
Q

Enamel is able to withstand crushing stresses of about _________?

A

100,000 psi

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13
Q

Enamel is incapable of _______ and _______.

A

remodeling, repair

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14
Q

Enamel is composed of __ to __ percent of inorganic material

A

96 to 99

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15
Q

Makes up the bulk of the tooth

A

Dentin

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16
Q

Dentin is _____ of continued growth and repair

A

capable

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17
Q

Dentin is the ______ hardest calcified tissue in the human body

A

second

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18
Q

Dentin is composed of approximately ___ percent inorganic material and ___ percent organic material

A

70/30

19
Q

Anchors the tooth to the bony socket via attachment fibers

A

Cementum

20
Q

The ________ is the vital center of the tooth. It is a soft tissue compound of loose, connective tissue containing numerous nerves, blood, and lymph vessels

A

dental pulp

21
Q

The pulp chamber is located within the _____ of the tooth

A

crown

22
Q

The pulp canal is within the _____ of the tooth

A

root

23
Q

The primary function of the dental pulp is _________

A

the formation of dentin

24
Q

Extension of the mandible and maxilla; forms sockets and supports teeth

A

Alveolar process

25
Q

Tissue surrounding the teeth

A

Gingiva (gums)

26
Q

Extends from the base of the sulcus to the cheek, lip, under tongue or the soft palate; self-protecting, resilient, firm tissue

A

Attached gingiva

27
Q

The area from the gingival margin to the base of the gingival sulcus; not attached to bone

A

Unattached gingiva (Free gingiva)

28
Q

Space between free gingiva and tooth

A

Gingival sulcus

29
Q

Healthy sulcus rarely exceeds __ mm

A

2-3

30
Q

Tissue that attaches to the tooth and forms the base of the sulcus

A

Epithelial attachment

31
Q

The lowest point of the free gingiva

A

Epithelial attachment

32
Q

Unattached gingiva that fills space between teeth

A

Interdental papilla

33
Q

What are the three types of Unattached gingiva?

A
  1. Gingival Sulcus
  2. Epithelial Attachment
  3. Interdental Papilla
34
Q

Dense Fibrous tissue between cementum and bone that cushions and connects the tooth to the alveolar socket

A

Periodontal Ligament

35
Q

Five functions of the periodontal ligament

A
  1. Formative
  2. Supportive
  3. Protective
  4. Nutritive (Nutrition)
  5. Resorptive
36
Q

Consists of the alveolar process, gingiva, and periodontal ligaments

A

Periodontium

37
Q

Specialized mucous membrane that covers the entire oral cavity

A

Oral mucosa

38
Q

Three types of oral mucosa

A
  1. Lining mucosa
  2. Masticatory mucosa
  3. Specialized mucosa
39
Q

An oral digestive fluid

A

Saliva

40
Q

Every 24 hours _____ pints of saliva are produced by the salivary glands

A

2-3

41
Q

Saliva helps maintain the integrity of the tooth surfaces through a process of ________

A

remineralization

42
Q

Saliva is excreted by these 3 major glands

A

1.Parotid glands
2. Submandibular glands
3 Sublingual glands

43
Q

A mass of flexible voluntary muscles located in the mouth

A

Tongue

NDAP NAVDEN 101 Unit 2: Basic Dental Science (5 decks)

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