Abstract— Focal epithelial hyperplasia of the oral mucosa was found in 19.4% of 460 inhabitants of an Eskimo population in south‐west Greenland (Nanortalik). The condition was found in all age groups examined, the youngest person with focal epithelial hyperplasia being 2 years old, the oldest 70 years old. There was a statistically significant higher prevalence (33.1%) in the age group above 30 years old than in the age group below 30 years old (14.3%). No significant difference in prevalence could be found between women (17.3%) and men (21.8%). None of 26 Danish Caucasians examined had focal epithelial hyperplasia. The predilection of locations of the focal epithelial hyperplasias was quite different from that previously published. More than 50 % of the lesions were located to tongue; next in frequency were labial mucosa of lower lip, buccal mucosa, commissures, upper lip, and gingiva. None was found in the palate. In many cases the lesions appeared in more than one location in the same patient.
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