نتایج جستجو برای: hypohidrotic ectodermal dysplasia
تعداد نتایج: 30775 فیلتر نتایج به سال:
Ectodermal dysplasia involves faulty development of embryonic ectoderm and its subsequent derivatives. Cockayne (1933) described 200 defects of ectodermal origin. It has been suggested that cases fall into two clinical and genetical groups (Weech, 1929). The hidrotic form appears usually to be determined by an autosomal dominant gene and the anhidrotic (or hypohidrotic) form by an X-linked rece...
The frequency of carriers of X linked hypohidrotic ectodermal dysplasia among females with hypodontia of the permanent dentition (excluding third molars) could be as high as 1 in 500, and among females with deciduous hypodontia could be as high as 1 in 50. Since it may be possible to identify carriers form among female hypodontia cases in general by virtue of a reduced sweat pore count, the pot...
We have restudied a fibroblast cell line from a female with marked manifestations of X linked hypohidrotic ectodermal dysplasia (HED) and a balanced X;9 translocation. Chromosome analysis showed a karyotype of 46,X,t(X;9)(q13.1;p24) with an Xq breakpoint distal to the one previously reported. The significance of the cell line, previously unrecognised, for the mapping and eventual cloning of the...
An 18-year-old male presented severe hypodontia due to hypohidrotic ectodermal dysplasia was treated with Le Fort I maxillary osteotomy with simultaneous sinus floor augmentation using the mixture of cortical autogenous bone graft harvested from iliac crest and organic Bio-Oss to position the maxilla in a right occlusal plane with respect to the mandible, and to construct adequate bone volume a...
suffering from severe hypodontia, however, conventional prostheses are inadequate due to lack of retention and instability. The replacement of teeth by implants is usually restricted to patients with completed craniofacial growth; however, implants can be used as abutments for overdentures. This study reports a 9-year follow-up case of a child affected with X-linked hypohidrotic ectodermal dysp...
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