The Effect of Mouthwash Containing Alcohol on Flexural Strength of Polymethylmethacrylate and Thermoplastic Nylon
Abstract
Introduction: Polymethylmethacrylate (PMMA) and thermoplastic nylon are materials used for making denture bases. Denture users use various methods in order to keep clean their denture. Mouthwash can be an option for cleaning dentures because it is easier to find. Objective: The objective of this research was to investigate the effect of mouthwash containing alcohol as a denture cleanser on flexural strength of polymethylmethacrylate and thermoplastic nylon. Methods: Eighteen samples of polymethylmethacrylate and eighteen samples of thermoplastic nylon with a bar shape (65x10x3 mm) are being used in this research. Each materials are randomly divided into 3 groups (n=6) so there will be six research groups incuded : (A1) PMMA immersed aquades, (A2) PMMA immersed in mouthwash containing alcohol 21.6%, (A3) PMMA immersed in mouthwash containing alcohol 9%, (B1) thermoplastic nylon immersed in aquades, (B2) thermoplastic nylon immersed in mouthwash containing alcohol 21.6%, (B3) thermoplastic nylon immersed in mouthwash containing alcohol 9%. Flexural strength of two materials was tested using universal testing machine (Shimadzu AGS - 5KNX, Japan). All of the data obtained were analyzed using two way Anova test. Result: The mean of flexural strength for group A1 (104.275 ± 15.469 MPa), A2 (103.298 ± 10.387 MPa), A3 (111.626 ± 14.957 MPa), B1 (42.707 ± 4.857 MPa), B2 (38.258 ± 3.246 MPa), and B3 (40.218 ± 1.542 MPa). Result of analysis showed that there was a significant differences between flexural strength of polymethylmethacrylate and thermoplastic nylon (p<0,05), but immersion in mouthwash containing alcohol showed no significant difference (p>0,05). Conclusion: This research found that flexural strength of polymethylmethacrylate higher than flexural strength of thermoplastic nylon and mouthwash containing alcohol can be an alternative for cleaning a denture because it does not affect the flexural strength of both material significantly.References
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Hamanaka I, Takahashi Y, Shimizu H. Mechanical properties of injection-molded thermoplastic denture base resins. Acta Odontologica Scandinavia. 2011;69:78.
McCabe JF, Walls AWG. Bahan kedokteran gigi. Ed ke-9. Jakarta: EGC;2015. p. 161,169.
Soygun K, Bolayir G, Boztug A. Mechanical and thermal properties of polyamide versus reinforced pmma denture base materials. J Adv Prosthodont.2013;5(2):15.
Vojdani M, Giti R. Polyamide as a denture base material: a literature review. J Dent (Shiraz, Iran). 2015;16(1 Suppl):1–2.
Anusavice KJ, Shen C, Rawls HR. Phillip’s science dental materials. Ed ke-12. St. Louis: Elsevier; 2013:52-9,475-9.
Fueki K, Ohkubo C, Yatabe M, Arakawa I, Arita M, Ino S, et al. Clinical application of removable partial dentures using thermoplastic resin. Part II: material properties and clinical features of non-metal clasp dentures. J Prosthodont Res. 2014;58(2):74.
Fraunhofer JAV. Dental materials at a glance. Ed ke-2. Oxford: John Wiley & Sons, Inc; 2013. p. 43.
Gladwin M, Bagby M. Clinical aspects of dental materials. Philadelpia: Lippincott Williams & Willkins; 2000. p. 30,128.
Navirie PB. Pengaruh bahan desinfektan terhadap flexural strength material thermoplastic nylon. IJD. 2006; Edisi khusus XIV:164-5.
Canadian Agency for Drugs and Technology in Health. Rapid response report: summary with critical appraisal. Longevity of removable prosthodontic: A review of the clinical evidence. Ottawa (ON): Canadian Agency for Drugs and Technology in Health. 2015;8.
Sakar, Olcay. Removable partial dentures: A practitioners’s manual. Istanbul: Springer International Publishing Switzerland; 2016. p. 5.
Salman M, Saleem S. Effect of different denture cleanser solutions on some mechanical and physical properties of nylon and acrylic denture base materials. J Bagh Coll Dent. 2011;23(1):19–22.
Axe AS, Varghese R, Bosma M, Kitson N, Bradshaw DJ. Dental health professional recommendation and consumer habits in denture cleansing. J Prosthet Dent. 2016;115(2):183–6.
Regis R, Soriani C, Azevedo AM, Souza RF De. Effects of ethanol on the surface and bulk properties of a microwave-processed PMMA denture base resin. J Prosthodont. 2009;18:489,493.
Kumari SA, Narendra R, Reddy PS, Reddy S, Alla RK, Konakanchi A. Evaluation and comparison of flexural strength of conventional heat cured denture base polymers with nylon denture base polymers: an in vitro study. Trends Biomater Artif Organs. 2017:31(1);31.
Sundari I, Sofya PA, Hanifa M. Studi kekuatan fleksural antara resin akrilik heat cured dan termoplastik nilon setelah direndam dalam minuman kopi Uleekareng (Coffea robusta). JDS. 2016;1(1):56-57.
Ditolla M. Flexible, Esthetic Partial Dentures. Chairside Perspect. 2004;5(1):16.
Kohli S, Bhatia S. Polyamides in dentistry. Int J Sci Study. 2013;01(01):20–2.
Hamanaka I, Takahashi Y, Shimizu H. Mechanical properties of injection-molded thermoplastic denture base resins. Acta Odontologica Scandinavia. 2011;69:78.
Published
2020-02-20
How to Cite
RIANI, Eva; OCTARINA, Octarina.
The Effect of Mouthwash Containing Alcohol on Flexural Strength of Polymethylmethacrylate and Thermoplastic Nylon.
Journal of Indonesian Dental Association, [S.l.], v. 3, n. 1, p. 17-23, feb. 2020.
ISSN 2621-6175.
Available at: <http://jurnal.pdgi.or.id/index.php/jida/article/view/420>. Date accessed: 23 nov. 2024.
doi: https://doi.org/10.32793/jida.v3i1.420.
Issue
Section
Research Article
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
