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Symmetrical Multiquadrant Isolated Dentin Dysplasia (SMIDD), a unique presentation mimicking Dentin Dysplasia Type 1b
Ist Teil von
Oral surgery, oral medicine, oral pathology and oral radiology, 2016
Erscheinungsjahr
2016
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Abstract Dentin dysplasia (DD) is a rare developmental dentin disorder that causes root malformation. It is divided into radicular DD type 1 (DD-1) and coronal DD type 2 (DD-2). Recently, a new entity causing localized root malformation to permanent first molars that resembles DD-1b has been published as molar-incisor malformation (MIM) by Lee et al. We report and compare 4 new cases that exhibit similar clinical, histological, and radiographic features to the recent entity MIM. We believe MIM and our 4 cases to be the same entity that is non hereditary and, because of the isolated but bilaterally symmetrical pattern of involvement, may be caused by a short duration environmental insult that disrupts normal development/function of Hertwig’s epithelial root sheath. We propose the name symmetrical multiquadrant isolated dentin dysplasia (SMIDD) as the most appropriate descriptive designation for this unusual but highly distinctive anomaly.