Salivary gland aplasia is clinically documented in_________________?
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Answer: D. All of the above
Explanation
Salivary gland aplasia involves the congenital absence of major salivary gland structures during embryonic development. This rare developmental defect can present either as an isolated finding or as part of recognized syndromes. The correct option correctly acknowledges that all listed congenital syndromes can feature this salivary anomaly. Embryonic development of salivary glands relies on complex epithelial-mesenchymal interactions during early gestation. Syndromes affecting branchial arch development frequently disrupt normal facial and glandular morphogenesis. Affected individuals typically experience severe xerostomia, high caries rates, and chronic oral candidiasis.
Early identification of congenital salivary aplasia allows for aggressive preventive dental care to preserve natural dentition. Patients require lifelong use of artificial saliva substitutes and frequent fluoride applications to mitigate decay. Understanding these syndromes assists genetic counselors in providing accurate prognostic information to affected families. Hemifacial microsomia is a congenital condition involving underdevelopment of structures on one side of the face. LADD syndrome encompasses lacrimo-auriculo-dento-digital anomalies including aplasia of the lacrimal and salivary systems. Treacher Collins syndrome is a mandibulofacial dysostosis characterized by craniofacial malformations and hypoplasia.
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