The influence of oral health on patients’ food perception: a systematic review

Summary

Oral food perception depends on somato-sensory information that includes taste and can be modified by oral components and/or functions such as mastication. The purpose of this study is to describe the interplay between oral health, mastication and taste. A review according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses checklist was conducted on 615 publications found by both pubmed and backward research. Thirty-one studies have been included. The results showed that the decline in taste ability observed during the healthy aging process could be potentiated by the deterioration of oral health and poor oral hygiene. Prosthetic treatment could modify taste ability and oral food perception. A palatal covering with removable dentures can have an impact on taste perception which may depend on taste modality. During the mastication sequence, taste is apparently scattered throughout the oral cavity, probably through saliva. The deterioration of masticatory function modifies taste perception. Oral health and oral care should consider factors influencing patients' food perception and relations between taste and mastication. Therefore, dentists may modulate these factors to improve food perception and patients' eating pleasure and quality of life.

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