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Volume 17 , Issue 2
March/April 2004

Pages 236–240

Randomized Controlled Clinical Trial on Satisfaction with Resilient Denture Liners Among Edentulous Patients

Suguru Kimoto, DDS/Manabu Kitamura, DDS/Maria Kodaira, DDS/Shirou Yamamoto, DDS/Yousuke Ohno, DDS/Yasuhiko Kawai, DDS, PhD/Misao Kawara, DDS, PhD/Kihei Kobayashi, DDS, PhD

PMID: 15119878

Purpose: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. Materials and 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. Conclusion: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. Int J Prosthodont 2004;17:236–240.

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