Vocabulary Chapter 15 - Dent 1020

Front 1

Line Angle

Back 1

Line formed by junction of two crown surfaces

Front 2

Point Angle

Back 2

Imaginary line formed by junction of three crown surfaces.

Front 3

Anatomical Crown

Back 3

Part of crown covered by enamel

Front 4

Anatomical root

Back 4

Part of root covered by cementum

Front 5

Clinical crown

Back 5

Part of anatomical crown visible in the oral cavity and not covered by gingival tissue.

Front 6

Clinical root

Back 6

Part of anatomical root visible in the oral cavity and not covered by gingival tissue.

Front 7

Contact area

Back 7

Tooth anatomy where adjacent tooth crowns in the same arch touch on each proximal surface.

Front 8

Cusp

Back 8

One or more major elevations on masticatory surface of canines and posteriors.

Front 9

D-A-Q-T System

Back 9

System to designate teeth: D for dentition, A for arch, Q for quadrant, T for tooth type

Front 10

Dental anatomy

Back 10

Area of dental sciences dealing with tooth morphology

Front 11

Dentition periods

Back 11

Three periods that occur throughout lifetime: primary, mixed, permanent.

Front 12

Embrasures

Back 12

Spaces formed from curvatures where two teeth in same arch contact

Front 13

Height of contour

Back 13

Crest of curvature which is the greatest elevation of the tooth crown either incisocervically or occlusocervically

Front 14

International Standards Organization Designation System (ISO system)

Back 14

International system for tooth designation using two-digit code.

Front 15

Interproximal space

Back 15

Area between adjacent tooth surfaces.

Front 16

Occlusion

Back 16

Anatomical alignment of teeth and relationship to masticatory system

Front 17

Palmer Notation Method

Back 17

System of tooth designation commonly used in orthodontics with oral cavity is divided into quadrants and each tooth is designated by a numeral 1 to 8

Front 18

Quadrants

Back 18

Division of each dental arch into two parts with four quadrants in oral cavity.

Front 19

Ridges

Back 19

Linear elevations on masticatory surface of either anterior or posterior teeth.

Front 20

Root axis line (RAL)

Back 20

Imaginary line representing long axis line of tooth drawn to bisect cervical line.

Front 21

Root concavities

Back 21

indentations on the surface of the root(s)

Front 22

Sextants

Back 22

Dental arch division into three parts based on relationship to midline

Front 23

Distal surface

Back 23

Surface of tooth farthest away from midline

Front 24

Incisal surface

Back 24

Masticatory surface for anterior teeth.

Front 25

Occlusal surface

Back 25

Masticatory surface for posterior teeth.

Front 26

Masticatory surface

Back 26

Chewing surface on crown.

Front 27

Mesial surface

Back 27

Surface on tooth closest to midline.

Front 28

Palatal surface

Back 28

Lingual structures or tooth surfaces closest to the palate.

Front 29

Proximal surface

Back 29

Mesial and distal surfaces between adjacent teeth.

Front 30

Thirds

Back 30

Crown surface or root division into three parts: crown horizontally and vertically and root horizontally.

Front 31

Universal Tooth Designation System

Back 31

Numbering system for permanent teeth by using Arabic numerals #1 through #32 and for primary teeth by using capital letters A through T.

Front 32

Incisors

Back 32

Anteriors first and second from midline: centrals and laterals.

Front 33

Canines

Back 33

Anteriors that are third teeth from midline in each quadrant.

Front 34

Molars

Back 34

Most posterior teeth with firsts, seconds, thirds.

Front 35

Premolars

Back 35

Posteriors fourth and fifth teeth from midline in permanent dentition including firsts and seconds.

Front 36

Mastication

Back 36

Chewing process

Front 37

Cusp of Carabelli

Back 37

Small cusp on permanent maxillary first molar.