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ORAL ANATOMY > DENTAL ANATOMY > Flashcards

DENTAL ANATOMY Flashcards

1
Q

a field of anatomy dedicated to the study of human tooth structures and is also a taxonomical science as it concerns naming of teeth and the structures of which they are made, serving a practical purpose in dental treatment

A

dental anatomy

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2
Q

teeth are named by their set, arch, class, type, and side

A

nomenclature

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3
Q

primary or baby teeth which makes up 20 teeth

A

deciduous teeth

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4
Q

secondary or adult teeth which makes up 28 to 32 teeth

A

permanent teeth

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5
Q

refers to those teeth of the permanent dentition that replace primary teeth for incisors, canines, and premolars of the permanent dentition

A

succedaneous tooth/teeth

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6
Q

permanent teeth that are not preceded by a primary form, specifically on molars

A

non-succedaneous tooth/teeth

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7
Q

teeth in the upper jaw

A

maxillary

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8
Q

teeth in the lower jaw

A

mandibulary

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9
Q

anterior teeth makes up of

A

incisors and canine

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10
Q

posterior teeth are made up of

A

premolars and molars

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11
Q

from the latin word incidere, meaning to cut; the first kind of tooth in human that works for cutting or shearing instruments for food

A

incisors

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12
Q

possess the longest roots of all teeth and are located at the corners of the dental arch; used for ripping and tearing food

A

canine or cuspids

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13
Q

are transitional teeth located between the canine and molar teeth that acts like the canine in tearing of food and are similar to molars in grinding of food

A

premolars or bicuspids

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14
Q

from the latin word mola, means milstone; used for grinding food

A

molar

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15
Q

numbering systems

A

FDI world dental federation notation
universal numbering system
palmer notation method

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16
Q

developed in 1971 to identify teeth with a number and is widely recognized and used worldwide

A

FDI (Federation Dentaire Internationale) World Dental Federation notation / FDI two-digit notation / ISO-3950 notation

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17
Q

a simplified method of identifying teeth adopted by the american dental association which uses uppercase letters

A

universal numbering system

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18
Q

developed by adolf zsigmondy in 1891 using a zsignmondy cross to record quadrants of tooth positions

A

palmer notation / zsigmondy system

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19
Q

tooth surfaces

A

apical
labial / buccal
lingual / palatal
distal
mesial
incisal / occlusal

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20
Q

surface of the anterior tooth facing toward the lip

A

labial surface

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21
Q

surface of posterior tooth facing toward the cheek

A

buccal surface

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22
Q

surface of tooth closest or next to tongue wherein on the maxillary teeth it’s called _ and on the mandibular teeth it’s called _

A

palatal surface , lingual surface

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23
Q

surface of the teeth facing toward the surface of the adjacent teeth

A

proximal surface

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24
Q

surface of the tooth wc is toward the median line

A

mesial surface

25
Q

surface of the tooth wc is away from the median line

A

distal surface

26
Q

surface of the anterior tooth wc is used for cutting or tearing food

A

incisal surface

27
Q

surface of the posterior tooth wc is used for grinding food and the surface of a tooth wc occludes w the opposing tooth

A

occlusal edge

28
Q

any linear elevation on the surface of the crown and is named according to its location

A

ridge

29
Q

a linear, rounded border of enamel that forms the mesial and distal margins of anterior teeth in lingual aspect, and the mesial and distal borders of occlusal surface on posterior teeth

A

marginal ridge

30
Q

a linear elevation which descend from one tip of the cusp to the central part of the occlusal; the slope of each side of the ridge resemble 2 sides of a triangle

A

triangular ridge

31
Q

found only in maxillary molar; consists of an elevated prominence of the occlusal surface and extends obliquely from the tips of the mesiolingual cusp to the distobuccal cusp

A

oblique ridge

32
Q

the ridge of enamel that extends from the cingulum to the cusp tip on the lingual surface of most cuspids

A

lingual ridge

33
Q

the union of a buccal and lingual triangular ridge that crosses the surface of a posterior tooth transversely

A

transverse ridge

34
Q

a pointed or rounded elevation of enamel found on cuspids and on the chewing surfaces of bicuspids and molars

A

cusp

35
Q

found on the lingual aspect of an anterior tooth and is a convex mount of enamel localized to the cervical one-third of the crown

A

cingulum

36
Q

a small pinpoint depression found at the junction or terminals of the developmental grooves and named accdng. to its location

A

pit

37
Q

a rounded or angular depression of varying size found on the surface of a tooth

A

fossa

38
Q

centrally located depression found on the occlusal surface of molars and mandibular second bicuspids

A

central fossa

39
Q

irregular, shallow depression found on the lingual surface of an incisor or cuspid

A

lingual fossa

40
Q

located adjacent to the marginal ridges on the occlusal surface of posterior teeth and has 2 types (mesial and distal)

A

triangular fossa

41
Q

a small linear depression on the surface of a tooth

A

groove

42
Q

fissure between the cusps on the crown of the tooth

A

developmental grooves

43
Q

a minor, auxillary groove that branches off from a much more prominent developmental groove and do not represent the junction of primary tooth parts and gives the occlusal surface a wrinkled appearance

A

supplemental groove

44
Q

one of the primary divisiosn of a crown wherein all teeth develop 4 or 5 and is usually separated by readily identifiable developmental grooves

A

lobe

45
Q

are small, rounded projections of enamel from the incisal edges of newly erupted anterior teeth and wears away soon after eruption

A

mamelons

46
Q

the portion of the tooth covered by enamel

A

crown

47
Q

the lower two thirds of a tooth covered by cementum

A

root

48
Q

cementoenamel junction separating crown and root

A

cervical line

49
Q

the hardest and most highly mineralized substance of the body and is normally visible dental tissue of a tooth because it covers the anatomical crown and must be supported by underlying dentin

A

enamel

50
Q

substance between enamel and pulp chamber; bulk of a tooth; softer than enamel and decays rapidly

A

dentin

51
Q

is a specialized bone like substance covering the root of the mouth; its principal role is to serve as medium periodontal ligaments can attach to the tooth for stability

A

cementum

52
Q

central part of the tooth filled with soft connective tissue

A

pulp

53
Q

an imaginary line that goes through the crown and root around which the substance of tooth is most symmetrically distributed

A

long axis

54
Q

any surface of a tooth parallel to the long axis (ex: mesial, distal, facial, or lingual surfaces)

A

axial surface

55
Q

division into thirds which divides cervical third, middle third, and apical third

A

root

56
Q

division into thirds in three directions: inciso-occlusocervically, mesiodistally, or labio or buccolingually

A

crown

57
Q

an angle formed by the junction of two crown surface and derives its name from its surface

A

line angle

58
Q

formed by the junction of three crown surface

A

point angle

ORAL ANATOMY (2 decks)

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