A Report of Three Cases of Partial Anodontia that Occured in One Family (mother, her son and daughter)

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  • Kuramoto Meiko
    Department of Pediatric Dentistry, Hiroshima Univercity Graduate School of Biomedical Siences
  • Suzuki Junji
    Department of Pediatric Dentistry, Hiroshima Univercity Graduate School of Biomedical Siences
  • Otani Satoko
    Clinic of Pediatric Dentistry, Hiroshima University Hospital
  • Kadomoto Noriko
    Clinic of Pediatric Dentistry, Hiroshima University Hospital
  • Kozai Katsuyuki
    Department of Pediatric Dentistry, Hiroshima Univercity Graduate School of Biomedical Siences

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  • 異性同胞および母親に現れた部分性無歯症について

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We encountered three cases of familial partial anodontia diagnosed as ectodermal dysplasia.<BR>The results were as follows,<BR>The proband was a 8-year-and-3-month old female. She was missing congenitally both deciduous teeth _??__??__??_ and the permanent teeth _??__??__??_. Her occlusion was an anterial cross bite, because her maxilla was relatively small compaired to her mandibular. A partial denture was used to improve mastication and for aesthetic purposes.<BR>Her elder brother was 9 years and 7 months old. He was not missing congenitally deciduous teeth, but permanent teeth _??__??__??_. All of his deciduous teeth still remained. His occlusion was an edge-to-edge bite.<BR>Their mother was 32 years and 11 months old. She was missing congenitally permanent teeth _??__??__??_, although congenitally missing deciduous teeth were not clearly revealed. Partial dentures and a bridge were used.<BR>From the clinical findings together with the family history, we diagnosed that their partial anodontia was caused by ectodermal dysplasia that was transmitted in an autsomal recessive manner.

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