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age change


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An alteration in the form or function of a tissue or organ over a period of time. Age changes which take place in the oral soft tissues include a decrease in the thickness of the mucosa, a reduction in taste bud function, and an increase in the number of sebaceous glands; there is an increase in the incidence of mucosal disease such as oral cancer, lichen planus, and candida. The dental hard tissue changes include a reduced permeability of the enamel, a reduced rate of secondary dentine formation, and a progressive occlusion of the dentinal tubules with calcified material. See also gerodontology.

Subjects: Dentistry.


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