Original Article

Saliva buatan meningkatkan kekuatan tekan semen ionomer kaca tipe II yang direndam dalam minuman isotonik (Artificial saliva increases the compressive strength of glass ionomer cement type II soaked in isotonic drinks)

Juliatri Juliatri , D.H.C. Pangemanan, Dwi Cahya Fitriyana

Juliatri Juliatri
Fakultas Kedokteran, Universitas Sam Ratulangi Manado, Indonesia. Email: sangkwan_wuchi@yahoo.com

D.H.C. Pangemanan
Fakultas Kedokteran, Universitas Sam Ratulangi Manado, Indonesia

Dwi Cahya Fitriyana
Fakultas Kedokteran, Universitas Sam Ratulangi Manado, Indonesia
Online First: June 30, 2014 | Cite this Article
Juliatri, J., Pangemanan, D., Fitriyana, D. 2014. Saliva buatan meningkatkan kekuatan tekan semen ionomer kaca tipe II yang direndam dalam minuman isotonik (Artificial saliva increases the compressive strength of glass ionomer cement type II soaked in isotonic drinks). Journal of Dentomaxillofacial Science 13(2): 101-105. DOI:10.15562/jdmfs.v13i2.397


Immersion of glass ionomer cement (GIC) type II in acid drink like isotonic drink could reduce its compressive strength.
This is due to the matrix degradation process of GIC in acid condition. However, there is artificial saliva that can
neutralize this condition. The purpose of this study was to evaluate the effect of artificial saliva on compressive strength
of glass ionomer cement type II immersed in isotonic drink. The GICspecimens of 6 x 6 x 12 mm
3
beam were immersed for
24 hours in distilled water, 24 hours in isotonic drink, 24 hours in isotonic drink continued with 72 hours in artificial saliva,
48 hours in isotonic drink, and 48 hours in isotonic drink continued with 144 hours in artificial saliva. The compressive
strength was measured using Universal Testing Machine with a crosshead speed of 0.5 mm/min. Statistical analysis was
performed by one
-way ANOVA and post-hoc LSD test (=0.05) showed a significant difference of compressive strength
(p<0,05). It was concluded that artificial saliva increases the compressive strength of GIC immersed in isotonic drink.

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