Čes. stomatol. Prakt. zub. lék. (Czech Dental Journal) 2012; 112(6): 173-181 | DOI: 10.51479/cspzl.2012.026

Corrosive Behaviour of Dental Ceramic Material In-Ceram Spinell in Selected Beverages and Solutions in vitro

L. Vavřičková1,*, A. Krejčová2, M. Pokorná2, T. Dostálová3
1 Stomatologická klinika, LF UK a FN, Hradec Králové
2 Ústav environmentálního a chemického inženýrství Fakulta chemicko-technologická, Univerzita Pardubice
3 Dětská stomatologická klinika 2. LF UK a FN Motol, Praha

Introduction: The biocompatibility of ceramic materials belongs to the best benefits of these dental materials.

Aim: Paper presents in vitro corrosive behaviour testing procedure of ceramic dental material in preselected beverages and solutions.

Methods: The ceramic material In-Ceram Spinell (Vita, Germany) was immersed using following leaching agents: Ice Tea Peach (Lidl Stiftung & Co. KG, DEU; pH 2.99), Freeway Cola (Lidl Stiftung &Co. KG, DEU; pH 2.42), red wine Cabernet Sauvignon (Wine Cellars Peter Metres KG; pH 3.59), white wine (Israel; pH 3.23), juice 100% orange (Relax Ltd., NZL; pH 3.76), mouth wash Colgate Plax Whitening (Colgate - Palmolive, SUI; pH 8.04), 0.9% NaCl (pH 5.35), 0.5% acetic acid (pH 2.56), 2% citric acid (pH 1.98), 0,1M HCl (pH 1.54), redistilled water (pH 5.70). Samples of the mentioned material were immersed at 37 °C during seven days. The change of sample masses and the change of colour was followed. After immersion test, leaching agents used we analysed using inductively coupled plasma optical emission spectrometry (ICP OES) and the increase in concentration of chosen elements was monitored.

Results: The highest loss up of sample masses was found for samples tested in citric acid. The loss of material mass is related to pH. The colour change was monitored in samples treated in Freeway Cola and red wine, they came under different colour changes. ICP OES analysis demostrated the increase in concentration of calcium, magnesium, aluminium, yttrium, silica and other elements in extracts.

Conclusion: Though the dental ceramics is considered to be bioinert, the corrosive behaviour of In-Ceram Spinell was monitored in the presence of currently used beverages and solutions.

Keywords: elementary analysis; optical emission spektrometry; dental ceramics; In-Ceram Spinell; immersion test; corrosion

Published: December 1, 2012  Show citation

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Vavřičková L, Krejčová A, Pokorná M, Dostálová T. Corrosive Behaviour of Dental Ceramic Material In-Ceram Spinell in Selected Beverages and Solutions in vitro. Čes. stomatol. Prakt. zub. lék. 2012;112(6):173-181. doi: 10.51479/cspzl.2012.026.
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