Document Detail

Development and growth of adenomatoid odontogenic tumor related to formation and eruption of teeth.
MedLine Citation:
PMID:  21380723     Owner:  NLM     Status:  MEDLINE    
The number of published cases of adenomatoid odontogenic tumor (AOT) has steadily increased, and about half were reported in Asian populations. Although the clinicopathologic profile of AOT has been extensively reported, factual knowledge of its pathogenesis is rudimentary at best, and there is controversy as to precisely which odontogenic epithelium it arises from. AOT is a successional tooth-associated lesion which develops during the mixed dentition. The permanent successor differs from its deciduous predecessor in that it has an eruptive pathway from the dental follicle to the gingiva, the gubernaculum dentis. With this background in mind, the present review focuses mainly on the early development of AOT. We successfully demonstrated a close spatial relationship between AOT and the gubernaculum dentis in a typical case. From further observations of the same AOT in which an enclosed permanent canine showed enamel hypoplasia, it is possible to pinpoint areas around the crown of a developing successional tooth in continuity with the gubernaculum dentis as starting points. In addition, we discuss the unifying histogenetic concept of three clinical variants, namely, pericoronal (follicular), extracoronal (extrafollicular), (see Article note) and peripheral.
Fumio Ide; Kenji Mishima; Kentaro Kikuchi; Norio Horie; Shigeo Yamachika; Kazuhito Satomura; Tetsuo Shimoyama; Hideaki Sakashita; Ichiro Saito; Kaoru Kusama
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Publication Detail:
Type:  Journal Article; Review     Date:  2011-03-06
Journal Detail:
Title:  Head and neck pathology     Volume:  5     ISSN:  1936-0568     ISO Abbreviation:  Head Neck Pathol     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-05-20     Completed Date:  2011-09-08     Revised Date:  2013-06-30    
Medline Journal Info:
Nlm Unique ID:  101304010     Medline TA:  Head Neck Pathol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  123-32     Citation Subset:  IM    
Departments of Diagnostic Pathology and Oral Pathology, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Japan.
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MeSH Terms
Ameloblastoma / etiology,  pathology*
Dental Enamel Hypoplasia / complications,  pathology
Dentition, Mixed*
Head and Neck Neoplasms / etiology,  pathology*
Odontogenesis / physiology*
Tooth Eruption*

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