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Original Research


DOI :10.26650/eor.20231025114   IUP :10.26650/eor.20231025114    Full Text (PDF)

A randomized trial of the effectiveness of an ultrasonic denture hygiene intervention program among communitydwelling elders*

Ronald Chan, Jiaguan Zhang, Colman Mcgrath, Paul Tsang, Otto Lam

Purpose

This study aimed to assess the effectiveness of ultrasonic denture hygiene interventions in improving denture cleanliness among elderly individuals.

Materials and Methods

Sixty-six participants who had received upper metal framework removable partial dentures within the past 5 years were randomly allocated into three denture hygiene intervention groups: group 1 (mechanical cleaning with a toothbrush and ultrasonic cleaning with cetylpyridinium chloride), group 2 (mechanical cleaning with a toothbrush and ultrasonic cleaning with distilled water), and control (mechanical cleaning with a toothbrush only). Denture cleanliness was assessed at baseline and 1-month using: i) Denture Cleanliness Index (DCI) scores; ii) plaque coverage percentage; and (iii) microbiological samples for bacterial and yeast detection. Differences between groups were assessed with one-way analysis of variance and Chi-squared tests.

Results

Mean DCI scores and mean percentages of plaque coverage area were significantly reduced in group 1 and group 2, compared to the control group for both cobalt chromium (CoCr) and acrylic fitting surfaces (p<0.001). No significant differences were found between groups 1 and 2 with regard to the prevalence and viable counts of yeasts or total microbial viable counts. No significant differences in the investigated clinical and microbiological parameters were observed between CoCr and acrylic surfaces following the intervention period.

Conclusion

The ultrasonic cleaner was significantly more effective than mechanical cleaning in the reduction of biofilm coverage on metal framework removable partial dentures over a 1-month intervention period. Nevertheless, the adjunctive use of cetylpyridinium chloride with ultrasonic cleaning did not yield additional benefits.

Keywords: Cetylpyridinium, Denture cleansers, Plaque, Randomized controlled trial, Ultrasonic

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Citations

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APA

Chan, R., Zhang, J., Mcgrath, C., Tsang, P., & Lam, O. (2023). A randomized trial of the effectiveness of an ultrasonic denture hygiene intervention program among communitydwelling elders*. European Oral Research, 57(2), 83-89. https://doi.org/10.26650/eor.20231025114


AMA

Chan R, Zhang J, Mcgrath C, Tsang P, Lam O. A randomized trial of the effectiveness of an ultrasonic denture hygiene intervention program among communitydwelling elders*. European Oral Research. 2023;57(2):83-89. https://doi.org/10.26650/eor.20231025114


ABNT

Chan, R.; Zhang, J.; Mcgrath, C.; Tsang, P.; Lam, O. A randomized trial of the effectiveness of an ultrasonic denture hygiene intervention program among communitydwelling elders*. European Oral Research, [Publisher Location], v. 57, n. 2, p. 83-89, 2023.


Chicago: Author-Date Style

Chan, Ronald, and Jiaguan Zhang and Colman Mcgrath and Paul Tsang and Otto Lam. 2023. “A randomized trial of the effectiveness of an ultrasonic denture hygiene intervention program among communitydwelling elders*.” European Oral Research 57, no. 2: 83-89. https://doi.org/10.26650/eor.20231025114


Chicago: Humanities Style

Chan, Ronald, and Jiaguan Zhang and Colman Mcgrath and Paul Tsang and Otto Lam. “A randomized trial of the effectiveness of an ultrasonic denture hygiene intervention program among communitydwelling elders*.” European Oral Research 57, no. 2 (Apr. 2024): 83-89. https://doi.org/10.26650/eor.20231025114


Harvard: Australian Style

Chan, R & Zhang, J & Mcgrath, C & Tsang, P & Lam, O 2023, 'A randomized trial of the effectiveness of an ultrasonic denture hygiene intervention program among communitydwelling elders*', European Oral Research, vol. 57, no. 2, pp. 83-89, viewed 25 Apr. 2024, https://doi.org/10.26650/eor.20231025114


Harvard: Author-Date Style

Chan, R. and Zhang, J. and Mcgrath, C. and Tsang, P. and Lam, O. (2023) ‘A randomized trial of the effectiveness of an ultrasonic denture hygiene intervention program among communitydwelling elders*’, European Oral Research, 57(2), pp. 83-89. https://doi.org/10.26650/eor.20231025114 (25 Apr. 2024).


MLA

Chan, Ronald, and Jiaguan Zhang and Colman Mcgrath and Paul Tsang and Otto Lam. “A randomized trial of the effectiveness of an ultrasonic denture hygiene intervention program among communitydwelling elders*.” European Oral Research, vol. 57, no. 2, 2023, pp. 83-89. [Database Container], https://doi.org/10.26650/eor.20231025114


Vancouver

Chan R, Zhang J, Mcgrath C, Tsang P, Lam O. A randomized trial of the effectiveness of an ultrasonic denture hygiene intervention program among communitydwelling elders*. European Oral Research [Internet]. 25 Apr. 2024 [cited 25 Apr. 2024];57(2):83-89. Available from: https://doi.org/10.26650/eor.20231025114 doi: 10.26650/eor.20231025114


ISNAD

Chan, Ronald - Zhang, Jiaguan - Mcgrath, Colman - Tsang, Paul - Lam, Otto. “A randomized trial of the effectiveness of an ultrasonic denture hygiene intervention program among communitydwelling elders*”. European Oral Research 57/2 (Apr. 2024): 83-89. https://doi.org/10.26650/eor.20231025114



TIMELINE


Submitted17.11.2021
First Revision12.09.2022
Accepted10.10.2022
Published Online05.06.2023

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