Ectopia or concomitant hypohyperdontia?Acase report

G. Bateman, P. A. Mossey

    Research output: Contribution to journalReview articlepeer-review

    7 Citations (Scopus)


    This report describes the unusual appearance seen on a panoramic radiograph of an orthodontic patient which the authors argue may represent ectopia or concomitant hypohyperdontia of the mandibular premolar teeth. A literature review describes the frequency of such anomalies in this area from previous studies. The presenting features of the patient and the differential diagnoses are explored. Treatment planning is discussed and treatment carried out in this particular case is detailed. The unusual symmetrical bilateral anomalies in this patient may point to a genetic determinant of tooth germ position and/or movement.

    Original languageEnglish
    Pages (from-to)71-77
    Number of pages7
    JournalJournal of Orthodontics
    Issue number2
    Publication statusPublished - 2006


    • Ectopia
    • Eruption
    • Hypohyperdontia
    • Premolar
    • Tooth germ

    ASJC Scopus subject areas

    • Orthodontics


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