Abstract
Persons who have multiple untreated carious lesions are at high risk of chewing difficulties and consequently an unhealthy diet, but few data are available on the impact of untreated caries on mastication in adults. This study in adults with multiple untreated caries lesions aimed to evaluate chewing deficiencies using physiological and psychosocial indicators. Forty-five patients, mean (±SD) decayed teeth 11.5 (±5.2), and 20 fully dentate caries-free subjects were observed during mastication of raw carrot and two jelly model foods differing in hardness. Criteria for chewing evaluation were carrot bolus granulometry, food refusals, chewing activity (chewing time, number of chewing cycles, chewing frequency) and oral health-related quality of life (GOHAI). Dental status was characterized by caries experience (DMFT) and posterior functional pairs of teeth. Adults with multiple untreated caries lesions suffered from chewing deficiencies, demonstrated by a decrease in food comminution related to the number of posterior functional teeth, food selection and functional alterations in oral health-related quality of life. The ability to adapt chewing activity to food hardness was preserved in this group. Further studies should be conducted to determine whether chewing function could be improved after dental treatment.
Published Version
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