Table 1.

Common maxillofacial signs of Down syndrome 8

Facial	Upslanting palpebral fissures, brachycephaly, epicanthal folds, flattened nose bridge, flattened facies, muscle hypotonia, protruding tongue, mouth breathing
Dental	Hypodontia, hyperdontia, microdontia, taurodontism, crown variants, delayed eruption
Periodontal	Gingivitis, premature periodontitis and exfoliation of the teeth
Mucosal	Cheilitis, macroglossia, erythema and signs of infection
Skeletal	Clefts, malocclusion, TMJ dysfunction