Dental Term 100-200

Front 1

enamel dysplasia

Back 1

Abnormalities of enamel growth.

Front 2

enamel hypocalcification

Back 2

Enamel that is not as dense as regular enamel.

Front 3

enamel hypoplasia

Back 3

Enamel that is thin or pitted.

Front 4

endocrine

Back 4

Gland or type of secretion that is carried away from the producing cells by blood vessels; the secretion is used in other parts of the body to control certain function; has no duct system.

Front 5

enzyme

Back 5

Agent capable of producing chemical changes in processes such as the digestion of foods.

Front 6

epiglottis

Back 6

Cartilage that helps cover the laryngeal opening.

Front 7

epinephrine

Back 7

Substance produced by the body or synthetically produced that causes many reactions; in dentistry, used to constrict blood flow in tissue.

Front 8

epithelial

Back 8

Pertaining to epithelium.

Front 9

epithelial attachment

Back 9

Substance produced by the reduced enamel epithelium that helps secure the attachment epithelium.

Front 10

epithelium

Back 10

Layer or layers of cells that cover the surface of the body or line the tubes or cavities inside the body; one of the four basic tissues.

Front 11

equilibrium

Back 11

Sense of balance.

Front 12

eruption

Back 12

Movement of the tooth as it emerges through surrounding tissue so that the clinical crown gradually appears longer.

Front 13

eruptive stage

Back 13

Period of eruption from the completion of crown formation until the teeth come into occlusion.

Front 14

exfoliation

Back 14

Shedding or loss of a primary tooth.

Front 15

facial (facial surface)

Back 15

Term used to designate the outer surfaces of the teeth collectively (buccal or labial).

Front 16

facial third

Back 16

From a proximal view, the third of the surface closest to the facial side.

Front 17

fauces

Back 17

Space between the left and right palatine tonsils.

Front 18

FDI system

Back 18

The Federation Dentaire Internationale (International Denteal Federation); system for tooth identification.

Front 19

filiform papillae

Back 19

Small, pointed projections that heavily cover most of the dorsum of the anterior two thirds of the tongue.

Front 20

fissure

Back 20

Deep cleft; developmental line fault usually found in the occlusal or buccal surface of a tooth; commonly the result of imperfect fusion of the enamel of the adjoining dental lobes.

Front 21

flange

Back 21

Projecting edge; the edge of the denture.

Front 22

fluorosis

Back 22

Discolored enamel resulting from excessive fluoride intake during crown development.

Front 23

foliate papillae

Back 23

Poorly developed papillae that appear as small verticl folds in the posterior part of the sides of the tongue.

Front 24

foramen

Back 24

Short circular opening through a bone.

Front 25

fossa

Back 25

Round, wide, relatively shallow depression in the surface of a tooth as seen commonly in the lingual surfaces of the maxillary incisors or between the cusps of molars; also a shallow depression in bone.

Front 26

free gingiva

Back 26

Gingiva that forms the gingival sulcus.

Front 27

frenulum

Back 27

Little frenum or fold of tissue.

Front 28

frontal sinus

Back 28

Air sinus in frontal bone above the eye that opens into the hiatus semilunaris in the middle meatus.

Front 29

fungiform papillae

Back 29

Small circular papillae scattered throughout the anterior two thirds of the dorsum of the tongue.

Front 30

fusion

Back 30

Two teeth that fuse at their dentin while developing.

Front 31

gingiva

Back 31

Part of the gum tissue that immediately surrounds the teeth and alveolar bone.

Front 32

gingival crest

Back 32

Most occlusal or incisal extent of the gingiva.

Front 33

gingival crevice

Back 33

Subgingival space that, under normal conditions, lies between the gingival crest and the epithelial attachment.

Front 34

gingival papillae

Back 34

Portion of the gingiva found between the teeth in the interproximal spaces gingival to the contact area; also called interdental papillae.

Front 35

gingival sulcus

Back 35

Space between the free gingiva and the tooth surface.

Front 36

gingivitis

Back 36

Inflammation involving the gingival tissues only.

Front 37

hematoma

Back 37

Escape of blood from injured blood vessel into tissue spaces.

Front 38

hemoglobin

Back 38

Component of red blood cells that carries oxygen.

Front 39

hereditary

Back 39

Inherited through the genes of parens or grandparents.

Front 40

immunity

Back 40

Body's resistance to certain organisms or diseases.

Front 41

impacted

Back 41

Teeth that are not completely erupted and are fully or partly covered by bone or soft tissue.

Front 42

incisal edge

Back 42

Edge formed at the labioincisal line angle of an anterior tooth after an incisal ridge has worn down.

Front 43

incisal ridge

Back 43

Rounded ridge form of the incisal portion of an anterior tooth.

Front 44

incisal third

Back 44

From a proximal, lingual, or labial view of an anterior tooth, the third of the surface closest to the incisal edge.

Front 45

incisive papilla

Back 45

Small, rounded, oblong mound of tissue directly behind or lingual to the maxillary central incisors and lying over the incisive foramen.

Front 46

incisors

Back 46

The four center teeth in either arch; essential for cutting.

Front 47

inflammatory reaction

Back 47

Body's mechanism to combat harmful organisms by bringing more plasma and blood cells to the injured area.

Front 48

inherited

Back 48

Passed on from parents or grandparents.

Front 49

interdental

Back 49

Located betweent the teeth.

Front 50

interdental papilla

Back 50

Projection of gingiva between the teeth.

Front 51

interproximal

Back 51

Between the proximal surfaces of adjoining teeth in the same arch.

Front 52

interproximal space

Back 52

Triangular space between adjoining teeth; the proximal surfaces of the teeth form the sides of the triangle; the alveolar bone, the base, and the contact area of the teeth form the apex.

Front 53

labia

Back 53

Latin word for lips;singular, labium.

Front 54

labial

Back 54

Of or pertaining to the lips; toward the lips.

Front 55

labial frenum

Back 55

Fold of tissue that attaches the lip to the labial mucosa at the midline of the lips.

Front 56

lingual glands

Back 56

Minor salivary glands of the tongue.

Front 57

lingual groove

Back 57

Developmental groove on the lingual side of the tooth.

Front 58

larynx

Back 58

Voice box; the trachea begins just below it.

Front 59

lingual/lingual surface

Back 59

Pertaining to or affecting the tongue; next to or toward the tongue.

Front 60

lingual third

Back 60

From a proximal view, the third of the surface closest to the lingual side.

Front 61

macrodontia

Back 61

Condition in which the teeth are too large for the jaw.

Front 62

malocclusion

Back 62

Abnormal occlusion of the teeth.

Front 63

mamelon

Back 63

One of the three rounded protuberances of the incisal surface of a newly erupted incisor tooth.

Front 64

mandible

Back 64

Lower jaw.

Front 65

mandibular

Back 65

Pertaining to the lower jaw.

Front 66

mandibular arch

Back 66

First pharyngeal arch that forms that area of the mandible and maxilla; the lower dental arch.

Front 67

mandibular condyle

Back 67

rounded top of the mandible that articulates with the mandibular fossa.

Front 68

mandibular foramen

Back 68

Opening on the medial surface of the ramus of the mandible for entrance of nerves and blood vessels to the lower teeth.

Front 69

mandibular process

Back 69

Portion of the mandiular pharyngeal arch that forms the mandible.

Front 70

mandibular tori

Back 70

Bony growths on the lingual cortical plate of bone opposite the mandibular canines.

Front 71

marginal ridge

Back 71

Ridge or elevation of enamel forming the margin of the surface of a tooth; specifically, at the mesial and distal margins of the occlusal surfaces of premolars and molars, and the mesial and distal margins of the lingual surfaces of incisors and canines.

Front 72

mastication

Back 72

Act of chewing or grinding.

Front 73

maxilla

Back 73

Paired main bone of the upper jaw.

Front 74

maxillary

Back 74

Pertaining to the upper arch.

Front 75

maxillary arch

Back 75

Upper dental arch.

Front 76

maxillary sinus

Back 76

Largest of the paired paranasal sinuses located in the maxilla.

Front 77

maxillary tuberosity

Back 77

Bulging posterior surface of the maxilla behind the third molar region.

Front 78

median line

Back 78

Vertical (central) line that divides the body into right and left; the median line of the face.

Front 79

mesial

Back 79

Toward or situated in the middle; for example, toward the midline of the dental arch.

Front 80

mesial drift

Back 80

Phenomenon of permanent molars continuing to move mesially after eruption.

Front 81

mesial third

Back 81

From a facial or a lingual view, the third of the surface closest to the midline.

Front 82

microdontia

Back 82

Condition in which the teeth are too small for the jaw.

Front 83

mixed dentition

Back 83

State of having primary and permanent teeth in the dental arches at the same time.

Front 84

molars

Back 84

Large posterior teeth used for grinding.

Front 85

mucosa

Back 85

Moist epithelial lingings of the oral cavity and the respiratory and digestive systems.

Front 86

mucous

Back 86

Pertaining to mucus, the thick viscous secretion of a gland.

Front 87

mulberry molars

Back 87

Molars with multiple cusps that are caused by congeital syphilis.

Front 88

multiple root

Back 88

Root with more than one branch.

Front 89

muscle

Back 89

One of the four basic tissues; ahs the property of contraction or shortening of the fibers, which accomplishes work. The three types of muscle are skeletal, cardiac, and smooth muscle.

Front 90

nasal septum

Back 90

Wall between the left and right sides of the nasal cavity, made up of the ethmoid and vomer bones.

Front 91

nervous tissue

Back 91

One of the four basic tissues. Groups of cells (neurons) carry messages to and from the brain and perform many other tasks.

Front 92

neuron

Back 92

Nerve cell.

Front 93

nonsuccedaneous

Back 93

Permanent teeth that do not succeed or replace deciduous teeth.

Front 94

occluding

Back 94

Contacting opposing teeth.

Front 95

occlusal

Back 95

Articulating or biting surface.

Front 96

occlusal plane

Back 96

Side view of the occlusal surfaces.

Front 97

occlusal relationship

Back 97

Way in which the maxiallry and mandibular teeth touch each other.

Front 98

occlusal third

Back 98

From a proximal, lingual, or buccal view of a posterior tooth, the third of the surface closest to the occlusal surface.

Front 99

occlusal trauma

Back 99

Injury brought about by one tooth prematurely hitting another during the closure of the jaws.

Front 100

occlusion

Back 100

Relationship of the mandibular and maxillary teeth when closed or during excursive moments of the mandible; when teeth of the mandibular arch come in contact with teeth of the maxillary arch in any functional relationship.