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Dental Anatomy Terminology Flashcards

(93 cards)

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1
Q

Alveolus

A 
The cavity (i.e. socket) in the alveolar process of the maxilla or mandible in which the root of a tooth is secured by the 
periodontal ligament
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2
Q

Alveolar Bone (or process)

A

The bony processes of the maxilla or the mandible that contain and support teeth. The main bony tissue of the maxilla and the mandible is called Basal bone

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3
Q

Line Angle

A

The angle formed by the junction of two tooth surfaces along a line

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4
Q

Point Angle

A

The angle formed by the junction of three tooth surfaces at a point

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5
Q

Anterior

A

Situated or placed toward the front of the oral cavity

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6
Q

Anteroposterior

A

From the front part of the oral cavity to the back

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7
Q

Apex

A

The terminal end or tip of a root

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8
Q

Apical

A

Toward the tip/apex of a tooth root

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9
Q

Arch

A

A structure having curved form like the curved form of the mandibular or maxillary arch

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10
Q

Articulate

A

The relating of upper and lower natural or artificial teeth to each other

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11
Q

Articulator

A

A mechanical device that stimulates the temporomandibular joints, the maxilla, and the mandible, and to which dental casts can be attached

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12
Q

Axial

A

Pertaining to the long axis of a tooth

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13
Q

Axis

A

A straight line around which a body can rotate

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14
Q

Bicuspid

A

Premolar

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15
Q

Buccal

A

Pertaining to or adjacent to the cheek

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16
Q

Canine

A

One of the four types of human teeth located between the lateral incisors and the first premolars.

The ______ are considered the cornerstones of the dental arch

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17
Q

Caries

A

The localized, progressive disease process that destroys the calcified, hard tissues of the natural tooth

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18
Q

Cementoenamel junction (CEJ)

A

The junction of enamel and cementum

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19
Q

Cementum

A

The hard, calcified tissue covering the root dentin of a tooth

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20
Q

Centric Occlusion

A

The end point of intercuspation when there is maximal contact and coincidence between upper and lower occlusal surfaces

The intercupsal position is the most closed occlusal position and is know as ________ __________ or maximum intercupsation (MIP)

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21
Q

Centric Relation

A

The relation of the mandible to the maxilla when the condyles are in the most unrestrained uppermost position in the glenoid fossa irrespective of vertical dimension or tooth position

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22
Q

Cervical

A

Pertaining to the neck area of a tooth

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23
Q

Cervical Line

A

A curved line around the neck of a tooth formed by the junction of the enamel and cementum

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24
Q

Cervix

A

The constricted portion (neck) of a tooth at the junction between the crown and root

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25
Cingulum
The rounded convexity on the lingual side of an anterior tooth
26
Anatomic Crown
The part of a natural tooth covered by enamel extending from the incisal or occlusal portion of the tooth to the CEJ
27
Clinical Crown
The part of the tooth that protrudes from the gingival tissues and is visible in the oral cavity
28
Curve of Spee
The anterioposterior curved line that connects the cusp tips of the posterior teeth; lateral view
29
Curve of Wilson
The mediolateral curved line that connects the buccal and lingual cusp tips on each side of the arch; frontal view
30
Cusp Deciduous
A rounded elevation on the occlusal surface of a posterior tooth pertaining to the primary dentition
31
Dentinoenamel Junction (DEJ)
The junction of enamel and dentin
32
Dentin
The hard, calcified inter bulk of a natural tooth covered by enamel or cementum
33
Diastema
A space between two non-contacting adjacent teeth in the same dental arch
34
Distal
Away from the midline/median line posteriorly along the arch
35
Edentulous
Without teeth
36
Embrasure
A "V-shaped" space between two contacting adjacent teeth in the same dental arch. The four resulting _________ are: Incisal/occlusal, gingival/cervical, facial/labial/buccal, and lingual/palatal
37
Enamel
The hard, calcified outer portion of a natural tooth covering the anatomic crown
38
Extrusion
The movement of a natural tooth beyond the natural plane of occlusion that may be accompanied by a similar movement of its supporting tissues
39
Facial
The aspect of a tooth that faces externally, opposite of the lingual side, that includes the labial and buccal surfaces
40
Fissure
A crevice in the groove, on the enamel surface of a tooth arising from the incomplete fusion of developmental lobes
41
Fossa
A rounded depression or concavity on a tooth surface or bone
42
Gingival
Pertaining to or relating to the gingiva, the fibrous tissue covered by mucous membrane surrounding the teeth
43
Incisal
Toward or relating to the cutting edge of an incisor tooth
44
Incisor
One of the four types of human teeth found in the anterior part of the maxilla and mandible. Used for incision (cutting)
45
Intercuspation
The meshing of the upper and lower teeth as they come in contact in centric occlusion
46
Interproximal
Relating to the area between the proximal surfaces of adjacent natural teeth
47
Labial
Toward or pertaining to the lips
48
Lateral
Toward the right of left of the midsagittal plane
49
Lingual
Next to or facing the tongue
50
Lobe
A major developmental division or portion of a tooth
51
Malocclusion
An abnormal relationship between the upper and lower teeth as they come into contact in centric occlusion
52
Mamelon
A rounded of conical protuberance/projection on the incisal edge of a newly erupted incisor tooth.
53
Mandible
The lower jawbone
54
Mastication
The act of chewing food in its preparation for swallowing and digestion
55
Maxilla
The upper jawbone
56
Median
Pertaining to the midline that separates the oral cavity into right and left halves
57
Mesial
toward or facing the midline anteriorly along the arch
58
Molar
One of the four types of human teeth found in the posterior part of the maxilla and mandible Used to grind and crush food
59
Occlude
To bring the lower teeth in contact with the upper teeth
60
Occlusal
Toward or relating to the chewing surface of posterior teeth
61
Occlusion
Any relation of the maxillary teeth to the mandible teeth when they are in contact, centric or eccentric
62
Horizontal Overlap/Overjet
The projection of the maxillary teeth of the mandibular teeth in a horizontal direction when the teeth are in occlusal contact
63
Vertical Overlap/overbite
The extension of the maxillary anterior teeth over the mandibular anterior teeth in a vertical direction when the posterior teeth are in occlusal contact
64
Palate
The roof of the mouth consisting of an anterior hard portion and a posterior soft portion that is movable
65
Interdental Papilla
An extension of the gingiva that normally fills the triangular space/embrasure between two contacting adjacent teeth just below/cervical to the proximal contact area
66
Incisive Papilla
A soft tissue elevation on the anterior palate directly posterior to the maxillary central incisors that covers the incisive foramen
67
Periodontal Ligament (PDL)
A system of connective tissue fibers that surround the root of a natural tooth and attaches it to the alveolar bone socket Part of the “attachment apparatus” which includes cementum, PDL, and alveolar bone
68
Phonetics
The science of speech sounds
69
Pit
A sharp, pointed depression in an enamel surface Usually located at the intersection of two or more developmental lobes or grooves
70
Posterior
Situated or placed toward the back of the oral cavity
71
Premolar
One of the four types of human teeth located between the canine and molar teeth. They usually have two (or three) cusps and replace the deciduous (primary) molars
72
Protrusion
The forward extension of the mandible from a centric position
73
Proximal Surface
The surface of a tooth which faces toward an adjoining tooth in the same arch
74
Proximal Contact Area
The region or area on the mesial or distal side of a tooth that touches the adjacent tooth in the same arch
75
Proximal Root Concavity
A depression extending longitudinally on the mesial or distal root surface of an anterior or posterior tooth
76
Pulp
The vascular connective tissue with its associated nerve fibers that fills the pulp chamber and root canals of a natural tooth
77
Alveolar Ridge
The linear bony elevation of the maxilla or the mandible that contains the sockets of the teeth
78
Cusp Ridge
A linear elevation of tooth enamel that extends from the cusp tip mesially, distally, buccally, or lingually
79
Incisal Ridge
The unworn incisal edge of a natural incisor tooth with its mamelons
80
Marginal Ridge
The elevated linear crest of enamel that forms the mesial and distal borders of the occlusal surface of a posterior tooth; also the mesial and distal borders of the lingual surface of an anterior tooth
81
Oblique Ridge
An elevated enamel prominence located on | maxillary molars that extends obliquely between the mesio-lingual and distobuccal cusps
82
Transverse Ridge
An elevated enamel prominence that forms a more or less continuous ridge extending transversely between a buccal and lingual cusp straight across the occlusal surface
83
Root
The part of a natural tooth covered by cementum and normally embedded in the alveolar bone
84
Root Bifurcation
The part of the root system of a tooth in which the root trunk divides into two separate branches
85
Root Trifurcation
The part of the root system of a tooth in which the root trunk divides into three separate branches
86
Root Trunk
The part of the root of a tooth that lies between the CEJ or cervical line and the area where the root divides into separate branches (bifurcation or trifurcation)
87
Sulcus
A "V-shaped" groove
88
Torus
A projection of bone located either on the hard palate (palatinus) or on the lingual aspect of the mandible (mandibularis)
89
Tubercle
A slightly rounded enamel elevation/projection on the surface of a natural tooth
90
Tuberosity
The rounded, most distal aspect of the alveolar process in the maxilla
91
Vertical Dimension of Occlusion (VDO)
The vertical dimension of the face when the teeth are making occlusal contact in centric occlusion Usually measured from the nose to the chin
92
Vertical Dimension of Rest (VDR)
The vertical dimension of the face when the mandible is in a state of rest
93
Perykymata
The lines of imbrication that appear on the facial side of a newly formed tooth that wear down and disappear over time

Dental Anatomy Terminology (1 decks)

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