Variability in permanent tooth emergence sequences in Flemish children.

Eur J Oral Sci

School of Dentistry, Oral Pathology and Maxillofacial Surgery, Catholic University Leuven, Leuven, Belgium.

Published: February 2008

The aim of the present study was to investigate the variability in permanent tooth emergence sequences in Flemish children. Data were obtained in the Signal-Tandmobiel project, a 6-yr prospective longitudinal oral health screening survey in Belgium. Bayesian statistical analyses, taking into account the interval-censored character of the data, were performed. The analyses indicated that no sequence was common in a quadrant to more than 19% of the sample. When only those emergence sequences are considered with a prevalence of 1% or more, 21 variations can be expected in the maxilla and 15-22 variations in the mandible. These variations 'cover' 84-88% of all sequences. The presentation of emergence sequences solely based on means or medians should thus be regarded as misleading.

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http://dx.doi.org/10.1111/j.1600-0722.2007.00505.xDOI Listing

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