Module 3: Dental Anatomy Flashcards
(106 cards)
1
Q
A cavity within the alveolar process that surrounds the root of a tooth.
A
Alveolar socket
2
Q
Portion of the tooth that is covered with enamel.
A
Anatomic crown
3
Q
Tapered end of each root tip.
A
Apex
4
Q
Natural opening in the root.
A
Apical foramen
5
Q
Specialized, calcified connective tissue that covers the anatomic root of a tooth.
A
Cementum
6
Q
That portion of the tooth that is visible in the oral cavity.
A
Clinical crown
7
Q
Gingivae between the teeth.
A
Dental papilla
8
Q
Connective tissue that envelops the developing tooth.
A
Dental sac
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
10
Q
Fibers found in dentinal tubules.
A
Dentinal fiber
11
Q
microscopic canals found in dentin.
A
Dentinal tubules
12
Q
The process by which the body adds new bone.
A
Deposition
13
Q
makes up the anatomic crown of the tooth, is the hardest material in the body.
A
Enamel
14
Q
Movement of a tooth into its functional position in the oral cavity.
A
Eruption
15
Q
The normal process of shedding the primary teeth.
A
Exfoliation
16
Q
Mineral compound that is the principal inorganic component of bone and teeth.
A
Hydroxyapatite
17
Q
Thin, compact bone that lines the alveolar socket.
A
Lamina dura
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
19
Q
The lower jaw.
A
Mandibular arch
20
Q
Oral mucosa that covers the hard palate, dorsum of the tongue, and gingiva.
A
Masticatory mucosa
21
Q
Structures that surround, support, and are attached to the teeth.
A
Periodontium
22
Q
Dentin that forms before eruption and that makes up the bulk of the tooth.
A
Primary dentin
23
Q
The body’s processes of eliminating existing bone or hard tissue structure.
A
Resorption
24
Q
Permanent teeth that replace primary teeth.
A
Succedaneous teeth
25
Portion of the maxillary bones that form the support for teeth of the maxillary arch.
Alveolar process
26
Cushion of dense, specialized connective tissue that divides the articular space into upper and lower compartments; also known as the meniscus.
Articular disc
27
Raised portion of the temporal bone just anterior to the glenoid fossa.
Articular eminence
28
Region of the head that refers to structures closest to the inner cheek.
Buccal (BUK-ul)
29
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.
Condyloid process
30
A small round opening in a bone through which blood vessels, nerves, and ligaments pass; plural, foramina.
Foramen
31
Wide, shallow depression on the lingual surfaces of anterior teeth.
Fossa
32
Area of the temporal bone where condyles of the mandible articulate with the skull.
Glenoid fossa
33
Large, rounded area on the outer surface of the maxillary bones in the area of the posterior teeth.
Maxillary tuberosity
34
Region of the head pertaining to or located near the chin.
Mental
35
Region of the head that pertains to or is located near the nose.
Nasal
36
Region of the head pertaining to or located near the mouth.
Oral
37
Region of the head pertaining to or located around the eye.
Orbital
38
A prominence or projection on a bone.
Process
39
Region of the head superior to the zygomatic arch.
Temporal
40
Joint on each side of head that allows movement of the maMucogingival junctionndible.
Temporomandibular (tem-puh-roe-man-DIB-yoo-lur) joint (TMJ)
41
The nerve that is the primary source of innervation for the oral cavity.
Trigeminal nerve
42
Region of the head pertaining to or located near the zygomatic bone (cheekbone).
Zygomatic
43
Wing like tip of the outer side of each nostril; plural, alae.
Ala
44
Area between the cheeks and the teeth or alveolar ridge.
Buccal vestibule
45
Fold of tissue at the corner of the eyelids.
Canthus
46
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.
Frenum
47
Masticatory mucosa that covers the alveolar processes of the jaws and surrounds the necks of the teeth; plural, gingivae.
Gingiva
48
Pear-shaped pad of tissue that covers the incisive foramen.
Incisive papilla
49
The gateway to the oral cavity; commonly known as “lips.”
Labia
50
The angle at the corner of the mouth where the upper and lower lips join.
Labial commissure
51
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.
Labial frenum
52
The thin fold of mucous membrane that extends from the floor of the mouth to the underside of the tongue.
Lingual frenum
53
Part of the mandible that forms the chin.
Mental protuberance
54
Base of the vestibule where the buccal mucosa meets the alveolar mucosa.
Mucobuccal fold
55
Distinct line of color change in the tissue where the alveolar membrane meets with attached gingivae.
Mucogingival junction
56
Midpoint between the eyes just below the eyebrows.
Nasion
57
Rectangular area from under the nose to the midline of the upper lip.
Philtrum
58
Cartilaginous projection anterior to the external opening of the ear.
Tragus
59
Pear-shaped projection at the end of the soft palate.
Uvula
60
Darker-colored border around the lips.
Vermilion border
61
Space between the teeth and the inner mucosal lining of the lips and cheeks.
Vestibule
62
System developed by Dr. Edward H. Angle to describe and classify occlusion and malocclusion.
Angle's classification
63
Toward the front.
Anterior
64
Division of the root nearest the tip of the root.
Apical third
65
Tooth surface closest to the inner cheek.
Buccal surface
66
Maximum contact between the occluding surfaces of the maxillary and mandibular teeth.
Centric occlusion
67
Division of the root nearest the neck of the tooth.
Concave: Curved inward.
Cervical third
68
Curved inward.
Concave
69
Area of the mesial or distal surface of a tooth that touches the adjacent tooth in the same arch.
Contact area
70
Curved outward.
Convex
71
Curvature formed by the maxillary and mandibular arches in occlusion.
Curve of Spee
72
Cross-arch curvature of the occlusal plane.
Curve of Wilson
73
Pertaining to first dentition of 20 teeth; often called “baby teeth” or primary teeth.
Deciduous
74
Natural teeth in the dental arch.
Dentition
75
Surface of tooth distant from the midline.
Distal surface
76
Triangular space in a gingival direction between the proximal surfaces of two adjoining teeth in contact.
Embrasure
77
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.
Facial surface
78
Chewing surface of anterior teeth.
Incisal surface
79
The area between adjacent tooth surfaces.
Interproximal space
80
Facial surface closest to the lips.
Labial surface
81
Surface of mandibular and maxillary teeth closest to the tongue; also called palatal surface.
Lingual surface
82
Occlusion that is deviated from a class I normal occlusion.
Malocclusion
83
The lower jaw.
Mandibular arch
84
The upper jaw.
Maxillary arch
85
Surface of the tooth toward the midline.
Mesial surface
86
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.
Mixed dentition
87
Chewing surface of posterior teeth.
Occlusal surface
88
The natural contact of the maxillary and mandibular teeth in all positions.
Occlusion
89
The set of 32 secondary teeth.
Permanent dentition
90
The surfaces next to each other when teeth are adjacent in the arch.
Proximal surfaces
91
One quarter of the dentition.
Quadrant
92
One sixth of the dentition.
Sextant
93
Permanent teeth that replace primary teeth.
Succedaneous teeth
94
Area in which two roots divide.
Bifurcation
95
External vertical bony ridge on the labial surface of the canines.
Canine eminence
96
Raised, rounded area on the cervical third of the lingual surface.
Cingulum
97
Major elevation on the masticatory surfaces of canines and posterior teeth.
Cusp
98
The fifth supplemental cusp found lingual to the mesiolingual cusp.
Cusp of Carabelli
99
A space between two teeth.
Diastema
100
Wide, shallow depression on the lingual surfaces of anterior teeth.
Fossa
101
Area between two or more root branches.
Furcation
102
Rounded enamel extension on the incisal ridges of incisors.
Mamelon
103
Rounded, raised border on the mesial and distal portions of the lingual surfaces of anterior teeth and the occlusal table of posterior teeth.
Marginal ridge
104
Incisors with a pointed or tapered shape.
Pegged laterals
105
Area in which three roots divide.
Trifurcation
106
The first set of 20 primary teeth.
Primary dentition
