Ch 5 - Developmental Disorders (Vocab)

Front 1

What is extensive adhesion of the tongue to the floor of the mouth or the lingual aspect of the anterior portion of the mandible.

Back 1

Ankyloglossia

Front 2

What are teeth that are fused to the alveolar bone; a condition especially common with retained deciduous teeth.

Back 2

Ankylosed teeth

Front 3

What is congenital lack of teeth.

Back 3

Anodontia

Front 4

What is marked deviation from normal, especially as a result of congenital or hereditary defects.

Back 4

Anomaly

Front 5

What is the site of union of corresponding parts (e.g., the corners of the lips) (labial commissure, commissural lip pits).

Back 5

Commissure

Front 6

What is, in dentistry, a condition in which two adjacent teeth become united by cementum.

Back 6

Concrescence

Front 7

What is a disorder that is present at and existing from the time of birth.

Back 7

Congenital disorder

Front 8

What is an abnormal sac or cavity lined by epithelium and surrounded by fibrous connective tissue.

Back 8

Cyst

Front 9

What is "a tooth within a tooth"; a developmental anomaly that results when the enamel organ invaginates into the crown of a tooth before mineralization.

Back 9

Dens in dente

Front 10

What is the formation of dentin.

Back 10

Dentinogenesis

Front 11

What is the distinguishing of one tissue from another.

Back 11

Differentiation

Front 12

What is an abnormal bend or curve, as in the root of the tooth.

Back 12

Dilaceration

Front 13

What is the union of two adjacent tooth germs.

Back 13

Fusion

Front 14

What is "twinning", when a single tooth germ attempts to divide, resulting in the incomplete formation of two teeth; the tooth usually has a single root and root canal.

Back 14

Gemination

Front 15

What is partial anodontia; the lack of one or more teeth.

Back 15

Hypodontia

Front 16

What are teeth that cannot erupt into the oral cavity because of a physical obstruction.

Back 16

Impacted teeth

Front 17

What are abnormally large teeth.

Back 17

Macrodontia

Front 18

What are abnormally small teeth.

Back 18

Microdontia

Front 19

What is a radiographic appearance in which many circular radiolucencies exist; these can appear "soap bubble-like" or "honeycomb-like".

Back 19

Multilocular

Front 20

What is a small solid mass that can be detected through touch.

Back 20

Nodule

Front 21

What is a subcategory of hypodontia in which six or more teeth are missing.

Back 21

Oligodontia

Front 22

What is a disposition in favor of something; preference.

Back 22

Predilection

Front 23

What is the multiplication of cells.

Back 23

Proliferation

Front 24

What is the embryonic invagination that becomes the oral cavity.

Back 24

Stomodeum

Front 25

What are in excess of the normal or regular number, as in teeth.

Back 25

Supernumerary