Oro facial-digital syndromes for orthodontist by almuzian
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Oro facial-digital syndromes for orthodontist by almuzian
- 1. Oro-facial-digital syndromes Prevalence • 1 in 50,000 • Types I - VIII, all with similar features Aetiology Orofaciodigital syndrome type 1 is caused by mutations in the OFD1 gene. General signs • Digital anomalies: brachydactyly, syndactyly, polydactyly Facial features • Frontal bossing, • Euryopia, • Hypoplasia of alar cartilages • Zygomatic hypoplasia Oral features • Pseudocleft of midline of upper lip (45%) • CP - SP (80%) • Tongue hamartomas, clefts or lobulations • Fraenal hyperplasia • Supernumeraries and hypodontia