Does the use of conventional complete dentures influence taste perception? A systematic review

Elsevier

Available online 26 March 2023

The Journal of Prosthetic DentistryAuthor links open overlay panel, , , , , AbstractStatement of problem

Although conventional complete dentures are widely used, a systematic review of their influence on wearers' taste perception is lacking.

Purpose

The purpose of this systematic review was to determine whether conventional complete dentures influence the taste perception of edentulous patients.

Material and methods

This systematic review was registered in the International Prospective Register of Systematic Reviews (PROSPERO) (CRD42022341567), and the guidelines of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) were followed. The guiding question was: “Does the use of complete dentures influence the taste perception of edentulous patients?” Two reviewers searched articles in the PubMed/MEDLINE, Scopus, Cochrane Library, and https://clinicaltrials.gov databases up to June 2022. The risk of bias in each study was assessed using the risk of bias in nonrandomized studies of interventions and the risk of bias based on the Cochrane risk of bias tool for randomized trials. The certainty of evidence was assessed using grading of recommendations, assessment, development, and evaluation (GRADE).

Results

A total of 883 articles were found with the search, and 7 were included in this review. Various changes in taste perception were identified in some of these studies.

Conclusions

The use of conventional complete dentures can influence the perception of the 4 primary tastes (sweet, salty, sour, and bitter) of edentulous patients, which may negatively interfere with the perception of flavor.

Section snippetsMethods

This systematic review was developed using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA)10 as a guide and was registered in the International Prospective Register of Systematic Reviews (CRD42022341567). The guiding question was: “Does the use of complete dentures influence the taste perception of edentulous patients?” The search strategy and selection of articles were based on the population, intervention, comparison, outcome (PICO) strategy, in which the

Results

A total of 883 articles were found in the initial search, 243 in PubMed/MEDLINE, 22 in the Cochrane Library, and 618 in Scopus. No new studies were found in the manual search or the nonpeer-reviewed literature, and 245 duplicate references were excluded. Eligibility criteria were applied when reading the title and abstract, and 10 articles were selected for full reading. Three articles were excluded because they evaluated dentate participants (n=1), did not specify the type of rehabilitation in

Discussion

The study hypothesis that complete dentures do not interfere with taste perception was partially accepted. Of the 7 studies included, 4 stated that the use of complete dentures interfered with taste perception.1,13, 14, 15 The possible explanation was that most complete denture wearers were elderly and that physiological and biochemical changes interfered with taste.

A reduction in the number of taste buds with advancing age has been reported.3,13,15 A decrease in retronasal and orthonasal smell

Conclusions

Based on the findings of this systematic review, the following conclusion was drawn:

1.

The use of conventional complete dentures can influence the perception of the 4 primary tastes (sweet, salty, sour, and bitter) of edentulous patients, which may negatively interfere with the perception of flavor.

CRediT authorship contribution statement

Maria Eduarda Lemos Avelino: Conceptualization, Data curation, Writing – original draft, Methodology. Taciana Emília Leite Vila-Nova: Data curation, Writing – original draft, Methodology. Rayanna Thayse Florêncio Costa: Methodology, Writing – review & editing. Eduardo Piza Pellizzer: Supervision, Project administration. Belmiro Cavalcanti do Egito Vasconcelos: Supervision, Writing – review & editing. Sandra Lúcia Dantas Moraes: Formal analysis, Writing – review & editing.

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© 2023 by the Editorial Council for the Journal of Prosthetic Dentistry.

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