Oral mucosal lesions in 65–74‐year‐old Hong Kong Chinese

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Abstract
There have been no reported surveys of oral mucosal lesions among the elderly in Asian countries. Therefore, the purpose of this study was to determine the prevalence of oral mucosal lesions among 65-74-yr-old, community-dwelling elderly Chinese in Hong Kong and to determine the prevalence of lesions in denture wearers, tobacco smokers, and alcohol drinkers. A total of 537 noninstitutionalized 65-74-yr-olds were interviewed and clinically examined in an oral health survey conducted in 1991. In the survey, the elderly underwent a systematic examination of their oral mucosa by one of the three examiners with the aid of an overhead light. The examiners were trained and calibrated before and during the survey, and a specially prepared colour atlas of oral mucosal lesions was used for lesion recognition. No mucosal lesions were detected in 64% of the elderly. In the 193 elderly subjects with lesions, 80% exhibited only one lesion. There was no difference in prevalence between men and women. The more common lesions, each being found in 5-7% of the elderly, were lingual varicosities, frictional keratosis on the buccal mucosa, denture stomatitis on the palatal mucosa, and denture-induced hyperplasia in the maxillary and mandibular buccal sulcus. Denture wearers had a higher prevalence of lesions (40%) than nonwearers (32%). There was no difference in the prevalence or number of oral mucosal lesions between those defined as users of tobacco and alcohol and those defined as nonusers in this study. No confirmed oral malignancies were found.

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