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Revista odontológica mexicana
Print version ISSN 1870-199X
Abstract
VELAZQUE ROJAS, Lida and SILVA, Gisele Dalben da. Hypohidrotic ectodermal dysplasia: clinical and radiographic characteristics. Rev. Odont. Mex [online]. 2015, vol.19, n.4, pp.253-257. ISSN 1870-199X. https://doi.org/10.1016/j.rodmex.2015.10.007.
Hypohidrotic ectodermal dysplasia (HED) is a rare genetic condition. It is of recessive autosomic character and linked to the X chromosome, encompassing a heterogeneous group of disorders involving ectoderm-derived tissues. Males are affected by the disease and females play the role of carriers. This disease presents a typical triad: hypohidrosis, oligodontia and hypotrichosis. This article examines the clinical case of a patient who exhibited characteristic signs of HED: dry skin, scarce hair eyebrows and eyelashes, wrinkles and peri-oral and peri-orbital hyperpigmentation, prominent lips and nasal bridge and decreased lachrymal secretion. Intra-oral examination revealed multiple tooth absences, presence of only eight teeth in the upper jaw and two teeth in the lower jaw, all with shape alterations and presence of diastemata. Early recognition and dental treatment of HED carrier individuals referred to oral alterations is of the utmost importance, not only to achieve favorable esthetics and functionality but also to allow the decrease facial growth alterations in a short time.
Keywords : Hypohidrotic ectodermal dysplasia; oligodontia; Christ-Siemens-Touraine syndrome.