Ectodermal Dysplasia: A Condition With
Multiple Missing Teeth
Sanjay M. Mallya, BDS, MDS, PhD
Diplomate, American Board
of Oral & Maxillofacial Radiology
UCLA School of Dentistry
Los Angeles, CA
|
Sanjay M. Mallya,
BDS, MDS, PhD
|
Failure of tooth formation is a common dental developmental
abnormality. In the permanent dentition, the reported incidence of
congenitally missing teeth (excluding third molars) is approximately 3% to
10%. The terms hypodontia, oligodontia and anodontia are used to denote the
degree of tooth agenesis. Hypodontia refers to developmental absence of one or
more teeth in the deciduous or permanent dentition. The most common missing
permanent teeth, in order of frequency, are third molars, second premolars,
maxillary lateral incisors and mandibular central incisors. When six or more
permanent teeth are missing, the term oligodontia is used. Anodontia,
congenital absence of both the primary and permanent dentition, is relative
rare...
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