A review of the oro-dento-facial characteristics of hereditary sensory and autonomic neuropathy type III (familial dysautonomia)

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Abstract

The oro-dento-facial features and dysfunction of children with hereditary sensory and autonomic neuropathy type III, known as familial dysautonomia or Riley-Day syndrome, was first described in the scientific literature in 1949. They include dental trauma; dental and soft tissue self-mutilation; normal dental age; normal sequence and timing of eruption and exfoliation of teeth; smaller tooth size; different and disproportional tooth components; normal alveolar bone height; small jaws, mild crowding, and malocclusions. These persons have craniofacial morphology that is different from accepted norms but they resemble norms of their ethnic origin. The subjects can have gray, pale, shiny faces with an asymmetric suffering expression; frontal bossing, with eventual hypertelorism and narrow lips; a low-caries rate; drooling, and hypersalivation. They can have changes in salivary composition and content, which influences plaque and calculus and increases the risk of gingival and periodontal diseases. They also have difficulty in controlling oral muscles; a progressive decrease in number of tongue fungiform papillae, accompanied by lack of taste buds; and specific dys-geusia, but a normal sense of smell.

Original languageEnglish
Pages (from-to)15-20
Number of pages6
JournalSpecial Care in Dentistry
Volume32
Issue number1
DOIs
StatePublished - Jan 2012
Externally publishedYes

Keywords

  • dental
  • familial dysautonomia
  • hereditary sensory and autonomic neuropathy
  • oral

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