Condylar hypoplasia
medical condition
Condylar hypoplasia is known as underdevelopment of the mandibular condyle. Congenitally (primary) caused condylar hypoplasia leads to underdeveloped condyle at birth. Hypoplasia of mandible can be diagnosed during birth, in comparison to the hyperplasia which is only diagnosed later in growth of an individual.
Types
Congenital (primary)
Congenital condylar hypoplasia happens when a person is born with smaller condyle than normal. The small condyle can be present either one or both sides of the lower jaw. This type of condition usually happens as part of systemic diseases such as Hemifacial microsomia, Mandibulofacial Dysostosis, Goldenhar syndrome, Hurler syndrome, Proteus syndrome and Morquio syndrome.
Acquired (secondary)
Acquired condylar hypoplasia happens when a person is not born with a small condyle but they sustain an injury during their growth which leads to this condition. The injury causes stop of growth in the condyle, resulting in a smaller condyle. The type of injuries that can happen are most traumatic in nature. Injury or infection related to ear, childhood rheumatoid arthritis and parathyroid hormone related deficiency are known to cause the injury.
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