[HIRANUMA-3] To evaluate the impact of artificial saliva on the properties of denture based resins re-in forced with biodegradable poly lactic acid and zinc oxide nanofillers- An in-vitro study
[Abstract]
Background:
The observation of the paradigm shift towards biodegradable materials has been looked over by scientists for over a decade now. The foreseen future will see the complete replacement of the biostable plastic prosthetic devices to biodegradable bio polymers1. However, the polymeric materials may require further research on their stability, degradation process, enhancement of antimicrobial properties and interaction with the oral cavity. The oral environment may make polymer vulnerable in terms of the variability of the salivary ph2, presence of bacteria3 and fungi and or dimensional changes. In the current work, the effect of artificial salivary substitute on the degradation of the dental polymer infused with PLA and zinc oxide nano filler will be reflected upon. The most used bio polymer, PLA(re in forced with ZnO Nano fillers)3 will be infused with Poly methyl methacrylate resin to understand its potential use in oral applications4,5.
References:
1. DeStefano V, Khan S, Tabada A. Applications of PLA in modern medicine. Engineered Regeneration. 2020; 1: 76-87.
2. de Sá J, Vieira F, Aroso CM, Cardoso M, Mendes JM, Silva AS. The Influence of Saliva pH on the Fracture Resistance of Three Complete Denture Base Acrylic Resins. Int J Dent. 2020 Nov 1; 2020:8941876.
3. Cierech M, Osica I, Kolenda A, Wojnarowicz J, Szmigiel D, Łojkowski W, Kurzydłowski K, Ariga K, Mierzwińska-Nastalska E. Mechanical and Physicochemical Properties of Newly Formed ZnO-PMMA Nanocomposites for Denture Bases.
4. Gharechahi J, Asadzadeh N, Shahabian F, Gharechahi M. Dimensional changes of acrylic resin denture bases: conventional versus injection-molding technique. J Dent (Tehran). 2014 Jul; 11(4): 398-405.
5. Bitencourt SB, Catanoze IA, da Silva EVF, Dos Santos PH, Dos Santos DM, Turcio KHL, Guiotti AM. Effect of acidic beverages on surface roughness and color stability of artificial teeth and acrylic resin. J Adv Prosthodont. 2020 Apr;12(2): 55-60.
トピックス
●polymers
●bioplastics
●ZnO nano fillers
Background:
The observation of the paradigm shift towards biodegradable materials has been looked over by scientists for over a decade now. The foreseen future will see the complete replacement of the biostable plastic prosthetic devices to biodegradable bio polymers1. However, the polymeric materials may require further research on their stability, degradation process, enhancement of antimicrobial properties and interaction with the oral cavity. The oral environment may make polymer vulnerable in terms of the variability of the salivary ph2, presence of bacteria3 and fungi and or dimensional changes. In the current work, the effect of artificial salivary substitute on the degradation of the dental polymer infused with PLA and zinc oxide nano filler will be reflected upon. The most used bio polymer, PLA(re in forced with ZnO Nano fillers)3 will be infused with Poly methyl methacrylate resin to understand its potential use in oral applications4,5.
References:
1. DeStefano V, Khan S, Tabada A. Applications of PLA in modern medicine. Engineered Regeneration. 2020; 1: 76-87.
2. de Sá J, Vieira F, Aroso CM, Cardoso M, Mendes JM, Silva AS. The Influence of Saliva pH on the Fracture Resistance of Three Complete Denture Base Acrylic Resins. Int J Dent. 2020 Nov 1; 2020:8941876.
3. Cierech M, Osica I, Kolenda A, Wojnarowicz J, Szmigiel D, Łojkowski W, Kurzydłowski K, Ariga K, Mierzwińska-Nastalska E. Mechanical and Physicochemical Properties of Newly Formed ZnO-PMMA Nanocomposites for Denture Bases.
4. Gharechahi J, Asadzadeh N, Shahabian F, Gharechahi M. Dimensional changes of acrylic resin denture bases: conventional versus injection-molding technique. J Dent (Tehran). 2014 Jul; 11(4): 398-405.
5. Bitencourt SB, Catanoze IA, da Silva EVF, Dos Santos PH, Dos Santos DM, Turcio KHL, Guiotti AM. Effect of acidic beverages on surface roughness and color stability of artificial teeth and acrylic resin. J Adv Prosthodont. 2020 Apr;12(2): 55-60.
トピックス
●polymers
●bioplastics
●ZnO nano fillers