Randomized controlled clinical trial on satisfaction with resilient denture liners among edentulous patients.
OBJECTIVE
The purpose of this study was to measure patients' satisfaction and their preference between mandibular dentures with permanent silicone-based resilient denture liner (SR) and conventional heat-activated acrylic resin (AR), both opposed by acrylic resin-based maxillary complete dentures.


METHODS
Twenty-eight edentulous patients who had fulfilled selection criteria and provided informed consent were enrolled in this trial. Subjects were allocated randomly to either arm of cross-over groups (AR-SR/SR-AR), stratified by gender, using a random permuted block within the strata method. The AR-SR group received AR denture treatment followed by SR denture treatment. The SR-AR group received treatment in the reverse sequence. The primary outcome was patient satisfaction measured on 100-mm VAS, analyzed by two-way ANOVA and the Bonferroni multiple comparison as a post hoc test. The secondary outcome was patients' preference, evaluated by chi-square goodness-of-fit test. An intention-to-treat analysis was performed.


RESULTS
Twenty-five subjects were enrolled in the analysis. There were no significant differences between AR and SR dentures 1, 2, and 3 months after the completion of control. Eighteen of 25 patients preferred SR dentures.


CONCLUSIONS
Although there were no significant differences in patient satisfaction ratings between the two types of dentures, a significant majority of patients preferred those with a resilient denture liner.
Kimoto
Suguru
S
Department of Complete Denture Prosthodontics, Nihon University School of Dentistry at Matsudo, Chiba, Japan. skimoto@mascat.nihon-u.ac.jp
Kitamura
Manabu
M
Kodaira
Maria
M
Yamamoto
Shirou
S
Ohno
Yousuke
Y
Kawai
Yasuhiko
Y
Kawara
Misao
M
Kobayashi
Kihei
K
D000180:Acrylic Resins; D000368:Aged; D000369:Aged, 80 and over; D000704:Analysis of Variance; D016009:Chi-Square Distribution; D018592:Cross-Over Studies; D003822:Denture Liners; D003826:Denture, Complete, Lower / Q000523:psychology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D017060:Patient Satisfaction; D012828:Silicones; D018709:Statistics, Nonparametric
D000180:Acrylic Resins; D012828:Silicones