page 674-681 Flashcards
Microdontia:
Microdontia: Having one or more teeth that are smaller than normal.
Macrodontia:
Macrodontia: Having one or more teeth that are larger than normal
Complete anodontia:
Complete anodontia: Congenital absence of teeth; generally due to developmental
abnormalities such as ectodermal dysplasia.
Partial anodontia
Partial anodontia: Congenital absence of one or more teeth.
Hypodontia:
Hypodontia: Congenital absence of a few teeth.
Oligodontia:
Congenital absence of a large number of teeth.
Supernumerary teeth:
Supernumerary teeth: Teeth in excess of the normal number. Most common
in maxilla.
Mesiodens:
Mesiodens: A supernumerary tooth located between the maxillary central
incisors.
Ankylosis:
Ankylosis: Fusion of the tooth and alveolar bone.
Dilaceration:
Dilaceration: A bend in the root of a tooth
Taurodontism
Taurodontism: A molar with an elongated root trunk. Generally occurs in
patients with amelogenesis imperfecta, Klinefelter’s syndrome, or Down’s
syndrome
■ Dens invaginatus (dens in dente
syndrome.
■ Dens invaginatus (dens in dente): Developmental abnormality of maxillary
lateral incisors in which the focal crown is invaginated for various
distances.
Dens evaginatus:
Dens evaginatus: Developmental abnormality in which a focal portion ofthe crown projects outward, creating an extra cusp.
A prominent dens
evaginatus often seen on maxillary lateral incisors is called a — –
A prominent dens
evaginatus often seen on maxillary lateral incisors is called a talon cusp.
Hypercementosis:
Hypercementosis: Excessive deposition of cementum.
