Effects of Sodium Hydroxide Treatment Duration on the Physical Properties of IRM®/Polylactic Acid Composite Filling Materials

Ching Wen Lou; Tzu Hsuan Chao; Chao Tsang Lu; Po Ching Lu; Jia Horng Lin

doi:10.4028/www.scientific.net/AMM.365-366.999

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 365-366Effects of Sodium Hydroxide Treatment Duration on...

Effects of Sodium Hydroxide Treatment Duration on the Physical Properties of IRM^®/Polylactic Acid Composite Filling Materials

Abstract:

The purpose of this study is to explore the influence of the sodium hydroxide (NaOH) treatment duration on the physical properties of the composite filling material. This study uses Intermediate Restorative Material (IRM^®) as matrix and 2 % of polylactic acid (PLA) fiber as reinforcing material to make the IRM^®/PLA composite filling material. Before being infused into the IRM^® matrix, the 2-mm long PLA fiber is treated by NaOH solution for 5, 10, 15, 20, 30, 60, or 90 minutes. The setting time and compressive strength of resulting composite filling materials are evaluated, determining the optimum treatment duration is 60 minutes. The compressive strength is increased by 41 %.

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Periodical:

Applied Mechanics and Materials (Volumes 365-366)

Pages:

999-1002

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.365-366.999

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Online since:

August 2013

Authors:

Ching Wen Lou, Tzu Hsuan Chao, Chao Tsang Lu, Po Ching Lu, Jia Horng Lin

Keywords:

Intermediate Restorative Material, Polylactic Acid (PLA) Fiber, Sodium Hydroxide

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