Distal Migration and Ectopic Eruption of the Mandibular First Premolar: A Case Report.

07:00 EST 1st January 2019 | BioPortfolio

Summary of "Distal Migration and Ectopic Eruption of the Mandibular First Premolar: A Case Report."

Migration describes the movement of an unerupted tooth within the bone when normal eruption is prevented and the tooth leaves its normal site of development. This report describes a case of distal migration and ectopic eruption of the mandibular first premolar in an 8.5-year-old boy. Following early extraction of the primary second molar, the first premolar migrated distally through the extraction site of the primary second molar and erupted into occlusion just mesial of the permanent first molar.


Journal Details

This article was published in the following journal.

Name: The Journal of clinical pediatric dentistry
ISSN: 1053-4628
Pages: 364-366


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Medical and Biotech [MESH] Definitions

An abnormality in the direction of a TOOTH ERUPTION.

The selective extraction of deciduous teeth during the stage of mixed dentition in accordance with the shedding and eruption of the teeth. It is done over an extended period to allow autonomous adjustment to relieve crowding of the dental arches during the eruption of the lateral incisors, canines, and premolars, eventually involving the extraction of the first premolar teeth. (Dorland, 28th ed)

The part of a tooth from the neck to the apex, embedded in the alveolar process and covered with cementum. A root may be single or divided into several branches, usually identified by their relative position, e.g., lingual root or buccal root. Single-rooted teeth include mandibular first and second premolars and the maxillary second premolar teeth. The maxillary first premolar has two roots in most cases. Maxillary molars have three roots. (Jablonski, Dictionary of Dentistry, 1992, p690)

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