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Dentistry > Oral Anatomy Terms Units 1 and 2 > Flashcards

Oral Anatomy Terms Units 1 and 2 Flashcards

1
Q

Alveolar Bone

A

the bony lining of the socket that holds the root/roots of the tooth and is a portion of the maxillary and mandibular alveolar processes

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2
Q

Anterior

A

along or towards the front of the dental arch

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3
Q

Apical foramen

A

the main opening at the apex of a root for the entry and exit of pulp tissue

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4
Q

Arch

A

the arrangement of the teeth in the form of a curve

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5
Q

Buccal

A

towards the cheek; the surface of posterior teeth in contact with or facing the cheek

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6
Q

Cementoenamel Junction (CEJ)

A

the junction of the cementum and the enamel

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7
Q

Cementodentinal Junction (CDJ)

A

the junction of the cementum and the dentin

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8
Q

Cementum

A

a hard tissue forming the outer cover of the root of a tooth and surrounding the dentin along the root portion of the tooth

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9
Q

Crown/Anatomical Crown/Clinical Crown

A

the portion of the tooth from the CEJ to the incisal or occlusal surface that is covered by enamel/the entire area from the CEJ to the incisal or occlusal surface/the visible portion of the tooth

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10
Q

Dentin

A

the portion of the tooth underlying the enamel and the cementum and surrounding the pulp cavity. Dentin comprises the major bulk of the tooth

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11
Q

Dentinoenamel junction

A

the junction of the dentin and enamel

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12
Q

Distal

A

away from the midline of the arch

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13
Q

Enamel

A

a hard, mineralized tissue forming the outer covering of the anatomical crown of a tooth and surrounding the dentin in the crown portion of a tooth

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14
Q

Facial

A

preferred term for areas directed towards the face; includs both labial and buccal surfaces

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15
Q

Gingiva

A

part of the peridontium that consists of mucous tissue and surrounds the tooth at the cervix. It extends to cover the maxillary and mandibular alveolar processes

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16
Q

Incisal

A

pertaining to the cutting or tearing surface of the anterior teeth

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17
Q

Labial

A

towards the lips; the surface of anterior teeth directly contacting or facing the lips

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18
Q

Line angle

A

angle formed by the junction or meeting of two surfaces (naming seems to go in order of surface numbering)

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19
Q

Lingual

A

towards the tongue; the surface of anterior and posterior teeth immediately adjacent to or contacting the tongue

20
Q

Mandibular

A

relating to the mandible

21
Q

Maxillary

A

relating to the maxillae

22
Q

Midline

A

an imaginary line dividing the body into left and right; divides the maxillary and mandibular arches into quadrants

23
Q

Occlusal

A

pertaining to the grinding, crushing, and chewing surface of the posterior teeth

24
Q

Periodontal ligament

A

collagenous fiber bundles that surround the roots of the teeth and connect the cementum to the alveolar bone

25
Q

Periodontium

A

an inclusive term for the supporting and investing structures of a tooth. Consists of four main parts: gingiva, alveolar bone, cementum, and periodontal ligament

26
Q

Point angle

A

angle formed by the junction or meeting of three surfaces (naming seems to be in order of surface numbers)

27
Q

Posterior

A

along the back or rear of the dental arch

28
Q

Pulp

A

an innervated connective tissue possessing the formative, nutritive, sensory, and defensive functions essential to the nourishment and vitality of a tooth

29
Q

Pulp canal

A

the portion of the pulp cavity that extends from the CEJ to the apex of the tooth (also known as a root canal)

30
Q

Pulp cavity

A

the space or void housing the entire dental pulp

31
Q

Pulp chamber

A

the portion of the pulp cavity that is housed within the coronal portion of the tooth

32
Q

Quadrant

A

half of the maxillary or mandibular arch as divided by the midline

33
Q

Root

A

the portion of a tooth covered by cementum and embedded in a bony socket (alveolus)

34
Q

Root apex

A

The end or outermost point of the root of a tooth

35
Q

Cingulum

A

a point of calcification forming the lingual lobe and part of the lingual height of contour

36
Q

Contact area

A

area on the mesial or distal surface that touches the adjacent tooth in the same arch

37
Q

Developmental groove

A

slight linear depression marking the junction of two loves

38
Q

Fossa

A

a rounded depression found on the lingual surface of anterior teeth and on occlusal surfaces of posterior teeth. The lingual fossa of an incisor is bounded by the cingulum, the mesial and distal marginal ridges, and the incisal ridge or edge

39
Q

Height of contour

A

greatest elevation on the surface of a tooth as seen in profile

40
Q

Incisal ridge

A

a thick, elongated elevation along the incisal surface. An incisal ridge can be seen when there has been little or no wear, whereas a knifelike incisal edge occurs when there has been wear

41
Q

Lobe

A

a part of a tooth formed by separate points of calcification

42
Q

Mamelon

A

rounded incisal extensions of the labial lobes

43
Q

Marginal ridge

A

an elongated elevation bounded by mesial or distal surfaces and a depression

44
Q

Pit

A

a small, pinpoint depression

45
Q

Proximal

A

pertaining to adjacent surfaces in the same arch

46
Q

Pulp horn

A

a small incisal extension of the coronal pulp tissue

Dentistry (1 decks)

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