Apical root resorption of deciduous teeth: a review
Athanasiou, Athanasios E.
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Abstract: The resorption of deciduous teeth is considered a necessary process leading to their exfoliation. In most cases it begins in the apical root region and proceeds coronally, yet some local or systemic factors can influence this normal procedure. The aim of this article is to review current concepts regarding apical root resorption of deciduous teeth, to update awareness on factors possibly affecting the physiologic process, and to discuss proposed treatment options. A novel classification is adopted by the review authors, which comprehensively discriminates among the various types of root resorption based on physiologic timing or the various etiologic factors of pathologic appearance. The article reviews the (a) normal physiologic resorption, (b) delayed physiologic resorption, (c) pathologic resorption caused by systemic or general factors, and (d) pathologic resorption caused by local factors. The above-mentioned mechanisms are explained with regard to the management of the problem by the clinician where possible.