This deletion in the KRT4 gene was found to be a common polymorphism reflecting a high allele frequency of 31.25% in the Turkish population. CONCLUSIONS: Oral WSN may manifest variable clinical features. [ncbi.nlm.nih.gov]

A 10-year-old boy, affected by cleft lip and palate and the Ectrodactyly-Ectodermal Dysplasia-Clefting (EEC) syndrome, presented with hypodontia, microdontia, enamel hypoplasia and caries, as well as white macules and plaques on the buccal mucosa bilaterally [ncbi.nlm.nih.gov]

Dilaceration Discoloration Ectopic enamel Enamel hypocalcification Enamel hypoplasia Turner's hypoplasia Enamel pearl Fluorosis Fusion Gemination Hyperdontia Hypodontia Maxillary lateral incisor agenesis Impaction Wisdom tooth impaction Macrodontia Meth mouth Microdontia [ipfs.io]