alexa A retrospective study of unerupted maxillary incisors associated with supernumerary teeth.



Author(s): Mason C, Azam N, Holt RD, Rule DC

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Abstract We retrospectively reviewed the clinical records and radiographs of 100 patients who had had supernumerary teeth removed. Their mean (SD) age was 9 years 3 months (2). The 100 patients had a total of 127 unerupted maxillary incisors associated with supernumerary teeth. The supernumerary tooth was removed without exposure of the permanent tooth more often among the 79 younger children (aged 10 years or less) (SND=3.52, P<0.01), and when the incisors were less mature (Cvek classification 1, 2, and 3) (SND=5.27, P<0.01). Of these incisors with immature roots that were treated conservatively, 60 (72\%) erupted and 24 (28\%) required further operation. Of the mature incisors treated conservatively, 10 (63\%) required further operation. In this study, almost three-quarters of immature incisors erupted spontaneously after removal of the associated supernumerary teeth. Over half of the mature teeth required further operation. Mature teeth should be exposed with or without bonding at the time of removal of the supernumerary teeth. This article was published in Br J Oral Maxillofac Surg and referenced in Dentistry

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