Mandibular resorption from silicone chin implants in children. 1986

I J Peled, and M R Wexler, and S Ticher, and E E Lax

Silicone implants were placed in the nasal, cheek, and chin areas in children with Down's syndrome to improve facial appearance. Clinical and radiologic follow-up evaluation revealed significant crater-like bone resorption in the mandibular symphysis in 75% of the cases. All of these implants were removed, and the bone showed regrowth to the presurgical state. No sign of bone damage was present in the malar or nasal areas.

UI MeSH Term Description Entries
D008297 Male Males
D008336 Mandibular Diseases Diseases involving the MANDIBLE. Disease, Mandibular,Diseases, Mandibular,Mandibular Disease
D008341 Mandibular Prosthesis A prosthetic appliance for the replacement of areas of the mandible missing or defective as a result of deformity, disease, injury, or surgery. Mandibular Prostheses,Prostheses, Mandibular,Prosthesis, Mandibular
D009295 Nasal Bone Either one of the two small elongated rectangular bones that together form the bridge of the nose. Nasal Bones,Bone, Nasal,Bones, Nasal
D001862 Bone Resorption Bone loss due to osteoclastic activity. Bone Loss, Osteoclastic,Osteoclastic Bone Loss,Bone Losses, Osteoclastic,Bone Resorptions,Loss, Osteoclastic Bone,Losses, Osteoclastic Bone,Osteoclastic Bone Losses,Resorption, Bone,Resorptions, Bone
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D002680 Chin The anatomical frontal portion of the mandible, also known as the mentum, that contains the line of fusion of the two separate halves of the mandible (symphysis menti). This line of fusion divides inferiorly to enclose a triangular area called the mental protuberance. On each side, inferior to the second premolar tooth, is the mental foramen for the passage of blood vessels and a nerve. Mental Region,Mentum
D004129 Dimethylpolysiloxanes Silicone polymers which consist of silicon atoms substituted with methyl groups and linked by oxygen atoms. They comprise a series of biocompatible materials used as liquids, gels or solids; as film for artificial membranes, gels for implants, and liquids for drug vehicles; and as antifoaming agents. Dimethylsiloxanes,Polydimethylsiloxanes,Dimethylpolysiloxane,Dimethylsiloxane
D004314 Down Syndrome A chromosome disorder associated either with an extra CHROMOSOME 21 or an effective TRISOMY for chromosome 21. Clinical manifestations include HYPOTONIA, short stature, BRACHYCEPHALY, upslanting palpebral fissures, epicanthus, Brushfield spots on the iris, protruding tongue, small ears, short, broad hands, fifth finger clinodactyly, single transverse palmar crease, and moderate to severe INTELLECTUAL DISABILITY. Cardiac and gastrointestinal malformations, a marked increase in the incidence of LEUKEMIA, and the early onset of ALZHEIMER DISEASE are also associated with this condition. Pathologic features include the development of NEUROFIBRILLARY TANGLES in neurons and the deposition of AMYLOID BETA-PROTEIN, similar to the pathology of ALZHEIMER DISEASE. (Menkes, Textbook of Child Neurology, 5th ed, p213) Mongolism,Trisomy 21,47,XX,+21,47,XY,+21,Down Syndrome, Partial Trisomy 21,Down's Syndrome,Partial Trisomy 21 Down Syndrome,Trisomy 21, Meiotic Nondisjunction,Trisomy 21, Mitotic Nondisjunction,Trisomy G,Downs Syndrome,Syndrome, Down,Syndrome, Down's

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