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Dental Assisting GTI > Module 3: Dental Anatomy > Flashcards

Module 3: Dental Anatomy Flashcards

1
Q

A cavity within the alveolar process that surrounds the root of a tooth.

A

Alveolar socket

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2
Q

Portion of the tooth that is covered with enamel.

A

Anatomic crown

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3
Q

Tapered end of each root tip.

A

Apex

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4
Q

Natural opening in the root.

A

Apical foramen

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5
Q

Specialized, calcified connective tissue that covers the anatomic root of a tooth.

A

Cementum

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6
Q

That portion of the tooth that is visible in the oral cavity.

A

Clinical crown

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7
Q

Gingivae between the teeth.

A

Dental papilla

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8
Q

Connective tissue that envelops the developing tooth.

A

Dental sac

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9
Q

Hard portion of the tooth that surrounds the pulp and is covered by enamel on the crown and by cementum on the root.

A

Dentin

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10
Q

Fibers found in dentinal tubules.

A

Dentinal fiber

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11
Q

microscopic canals found in dentin.

A

Dentinal tubules

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12
Q

The process by which the body adds new bone.

A

Deposition

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13
Q

makes up the anatomic crown of the tooth, is the hardest material in the body.

A

Enamel

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14
Q

Movement of a tooth into its functional position in the oral cavity.

A

Eruption

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15
Q

The normal process of shedding the primary teeth.

A

Exfoliation

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16
Q

Mineral compound that is the principal inorganic component of bone and teeth.

A

Hydroxyapatite

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17
Q

Thin, compact bone that lines the alveolar socket.

A

Lamina dura

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18
Q

Mucous membrane that covers the inside of the cheeks, vestibule, lips, soft palate, and underside of the tongue and acts as a cushion for underlying structures.

A

Lining mucosa

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19
Q

The lower jaw.

A

Mandibular arch

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20
Q

Oral mucosa that covers the hard palate, dorsum of the tongue, and gingiva.

A

Masticatory mucosa

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21
Q

Structures that surround, support, and are attached to the teeth.

A

Periodontium

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22
Q

Dentin that forms before eruption and that makes up the bulk of the tooth.

A

Primary dentin

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23
Q

The body’s processes of eliminating existing bone or hard tissue structure.

A

Resorption

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24
Q

Permanent teeth that replace primary teeth.

A

Succedaneous teeth

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25
Q

Portion of the maxillary bones that form the support for teeth of the maxillary arch.

A

Alveolar process

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26
Q

Cushion of dense, specialized connective tissue that divides the articular space into upper and lower compartments; also known as the meniscus.

A

Articular disc

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27
Q

Raised portion of the temporal bone just anterior to the glenoid fossa.

A

Articular eminence

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28
Q

Region of the head that refers to structures closest to the inner cheek.

A

Buccal (BUK-ul)

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29
Q

The posterior process of each ramus; articulates with a fossa in the temporal bones to form the temporomandibular joint; also known as the mandibular condyle.

A

Condyloid process

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30
Q

A small round opening in a bone through which blood vessels, nerves, and ligaments pass; plural, foramina.

A

Foramen

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31
Q

Wide, shallow depression on the lingual surfaces of anterior teeth.

A

Fossa

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32
Q

Area of the temporal bone where condyles of the mandible articulate with the skull.

A

Glenoid fossa

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33
Q

Large, rounded area on the outer surface of the maxillary bones in the area of the posterior teeth.

A

Maxillary tuberosity

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34
Q

Region of the head pertaining to or located near the chin.

A

Mental

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35
Q

Region of the head that pertains to or is located near the nose.

A

Nasal

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36
Q

Region of the head pertaining to or located near the mouth.

A

Oral

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37
Q

Region of the head pertaining to or located around the eye.

A

Orbital

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38
Q

A prominence or projection on a bone.

A

Process

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39
Q

Region of the head superior to the zygomatic arch.

A

Temporal

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40
Q

Joint on each side of head that allows movement of the maMucogingival junctionndible.

A

Temporomandibular (tem-puh-roe-man-DIB-yoo-lur) joint (TMJ)

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41
Q

The nerve that is the primary source of innervation for the oral cavity.

A

Trigeminal nerve

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42
Q

Region of the head pertaining to or located near the zygomatic bone (cheekbone).

A

Zygomatic

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43
Q

Wing like tip of the outer side of each nostril; plural, alae.

A

Ala

44
Q

Area between the cheeks and the teeth or alveolar ridge.

A

Buccal vestibule

45
Q

Fold of tissue at the corner of the eyelids.

A

Canthus

46
Q

Band of tissue that passes from the facial oral mucosa at the midline of the arch to the midline of the inner surface of the lip; also called frenulum; plural, frenula.

A

Frenum

47
Q

Masticatory mucosa that covers the alveolar processes of the jaws and surrounds the necks of the teeth; plural, gingivae.

A

Gingiva

48
Q

Pear-shaped pad of tissue that covers the incisive foramen.

A

Incisive papilla

49
Q

The gateway to the oral cavity; commonly known as “lips.”

A

Labia

50
Q

The angle at the corner of the mouth where the upper and lower lips join.

A

Labial commissure

51
Q

Band of tissue that passes from the facial oral mucosa at the midline of the arch to the midline of the inner surface of the lip; also called frenulum; plural, frenula.

A

Labial frenum

52
Q

The thin fold of mucous membrane that extends from the floor of the mouth to the underside of the tongue.

A

Lingual frenum

53
Q

Part of the mandible that forms the chin.

A

Mental protuberance

54
Q

Base of the vestibule where the buccal mucosa meets the alveolar mucosa.

A

Mucobuccal fold

55
Q

Distinct line of color change in the tissue where the alveolar membrane meets with attached gingivae.

A

Mucogingival junction

56
Q

Midpoint between the eyes just below the eyebrows.

A

Nasion

57
Q

Rectangular area from under the nose to the midline of the upper lip.

A

Philtrum

58
Q

Cartilaginous projection anterior to the external opening of the ear.

A

Tragus

59
Q

Pear-shaped projection at the end of the soft palate.

A

Uvula

60
Q

Darker-colored border around the lips.

A

Vermilion border

61
Q

Space between the teeth and the inner mucosal lining of the lips and cheeks.

A

Vestibule

62
Q

System developed by Dr. Edward H. Angle to describe and classify occlusion and malocclusion.

A

Angle’s classification

63
Q

Toward the front.

A

Anterior

64
Q

Division of the root nearest the tip of the root.

A

Apical third

65
Q

Tooth surface closest to the inner cheek.

A

Buccal surface

66
Q

Maximum contact between the occluding surfaces of the maxillary and mandibular teeth.

A

Centric occlusion

67
Q

Division of the root nearest the neck of the tooth.
Concave: Curved inward.

A

Cervical third

68
Q

Curved inward.

A

Concave

69
Q

Area of the mesial or distal surface of a tooth that touches the adjacent tooth in the same arch.

A

Contact area

70
Q

Curved outward.

A

Convex

71
Q

Curvature formed by the maxillary and mandibular arches in occlusion.

A

Curve of Spee

72
Q

Cross-arch curvature of the occlusal plane.

A

Curve of Wilson

73
Q

Pertaining to first dentition of 20 teeth; often called “baby teeth” or primary teeth.

A

Deciduous

74
Q

Natural teeth in the dental arch.

A

Dentition

75
Q

Surface of tooth distant from the midline.

A

Distal surface

76
Q

Triangular space in a gingival direction between the proximal surfaces of two adjoining teeth in contact.

A

Embrasure

77
Q

Tooth surface closest to the face. Facial surfaces closest to the lips are called labial surfaces, and facial surfaces closest to the inner cheek are called buccal surfaces; therefore, the term facial can be substituted for labial and buccal, and vice versa.

A

Facial surface

78
Q

Chewing surface of anterior teeth.

A

Incisal surface

79
Q

The area between adjacent tooth surfaces.

A

Interproximal space

80
Q

Facial surface closest to the lips.

A

Labial surface

81
Q

Surface of mandibular and maxillary teeth closest to the tongue; also called palatal surface.

A

Lingual surface

82
Q

Occlusion that is deviated from a class I normal occlusion.

A

Malocclusion

83
Q

The lower jaw.

A

Mandibular arch

84
Q

The upper jaw.

A

Maxillary arch

85
Q

Surface of the tooth toward the midline.

A

Mesial surface

86
Q

A mixture of permanent teeth and primary teeth that occurs until all primary teeth have been lost, usually between the ages of 6 and 12.

A

Mixed dentition

87
Q

Chewing surface of posterior teeth.

A

Occlusal surface

88
Q

The natural contact of the maxillary and mandibular teeth in all positions.

A

Occlusion

89
Q

The set of 32 secondary teeth.

A

Permanent dentition

90
Q

The surfaces next to each other when teeth are adjacent in the arch.

A

Proximal surfaces

91
Q

One quarter of the dentition.

A

Quadrant

92
Q

One sixth of the dentition.

A

Sextant

93
Q

Permanent teeth that replace primary teeth.

A

Succedaneous teeth

94
Q

Area in which two roots divide.

A

Bifurcation

95
Q

External vertical bony ridge on the labial surface of the canines.

A

Canine eminence

96
Q

Raised, rounded area on the cervical third of the lingual surface.

A

Cingulum

97
Q

Major elevation on the masticatory surfaces of canines and posterior teeth.

A

Cusp

98
Q

The fifth supplemental cusp found lingual to the mesiolingual cusp.

A

Cusp of Carabelli

99
Q

A space between two teeth.

A

Diastema

100
Q

Wide, shallow depression on the lingual surfaces of anterior teeth.

A

Fossa

101
Q

Area between two or more root branches.

A

Furcation

102
Q

Rounded enamel extension on the incisal ridges of incisors.

A

Mamelon

103
Q

Rounded, raised border on the mesial and distal portions of the lingual surfaces of anterior teeth and the occlusal table of posterior teeth.

A

Marginal ridge

104
Q

Incisors with a pointed or tapered shape.

A

Pegged laterals

105
Q

Area in which three roots divide.

A

Trifurcation

106
Q

The first set of 20 primary teeth.

A

Primary dentition

Dental Assisting GTI (3 decks)

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