Abstract
Statement of problem
The masticatory efficacy between dentate and edentulous individuals with and without
the use of dental adhesives has been little studied. A comparative study of the addition
of various agents of synthetic adhesion (vinyl methyl ether versus polyvinyl acetate)
to these adhesives is needed.
Purpose
The purpose of this randomized, crossover, double-blind clinical trial was to compare
the masticatory efficacy of wearers of complete dentures with and without dental adhesives
of 2 different compositions and that of dentate controls.
Material and methods
Seventeen participants with edentulism (edentulous control and 2 experimental groups)
received new maxillary and mandibular complete dentures. After an adjustment period,
they participated in masticatory tests with and without the use of 2 denture adhesives
(Fittydent; Fittydent International GmbH and Corega; GlaxoSmithKline). The participants
with edentulism were compared with 17 dentate controls. Masticatory efficacy was evaluated
while the participants were masticating a substitute for irreversible hydrocolloid
(20 g) and performing a single test of mastication (with 20 masticatory strokes) at
0, 7, and 14 days. Masticatory efficiency was measured immediately after each test
with the sieving method and was calculated according to the weight of the particles
of the substitute in each of the sieve filters. Data were analyzed using 1-way ANOVA
for simple pairs, and a multiple comparison was made using the Wilcoxon test with
Bonferroni correction (α=.05).
Results
Significant differences were found between the 2 adhesives (P<.05) in the masticatory efficacy for filters 2 and 3, and nonsignificant differences
occurred for filter 1. Compared with the edentulous control group, significant differences
between the use or nonuse of adhesives were found in the edentulous group for the
3 filters (P<.05). Compared with the dentate control group, significant differences were found
in masticatory efficiency between the dentate control group and the other groups for
all comparisons (P<.05).
Conclusions
Masticatory efficacy was higher with the use of Corega denture adhesive. The masticatory
efficacy was significantly higher in dentate participants compared with participants
with edentulism who had complete dentures, with or without denture adhesives. A significant
increase of masticatory efficacy was observed among edentulous participants with denture
adhesives in relation to those not using denture adhesives.
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Article info
Publication history
Published online: December 02, 2016
Footnotes
Supported by the Departments of Stomatology, Prosthodontics and Oral Surgery, University of Seville, Seville, Spain. C.T-S. performed trial while researching in the Stomatology and Dentistry Departments, University of Seville, Seville, Spain.
Identification
Copyright
© 2016 by the Editorial Council for The Journal of Prosthetic Dentistry.
