Investigation of Antioxidant Capacity of Several Luting Cements Processes by HPMC Method

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1 / Kosovka Obradović-Đuričić2 / Vesna Medic2 / Srđan Poštić2 / Stanislava Z Gorjanović3 / Ferenc Pastor4 / Katarina Radović2

1School of Dental Medicine, Endodont. Dpt., Belgrade University, Rankeova 4, Belgrade,Serbia
2School of Dental Medicine, Prosthodont. Dpt., Belgrade University,Serbia
3Institute of General and Physical Chemistry,Serbia
4Faculty of Chemistry, University of Belgrade, Belgrade,Serbia

Summary

Background: Free radicals (FR) occur in oral cavity where lot of food was transferred to through entire life under specific saliva conditions. Many enzymes, microorganism, alcohol beverages, nicotine and other harmful or indifferent substances when in contact to oral tissues might provoke oxidation process under specific condition creating FRʼs. The similar role might have various dental materials.

Aim: Of the study was to record the level of antioxidant (AO) activity of several permanent (P) luting cements alone or combined with quercetin AO substance.

Materials/Methods: P cements were Zn-phosphate, Zn-polycarboxilate, GIC and composite resin cement. They were prepared as original prescription and their variant by 1%weight addition of quercetin. AO activity of cements was measured by HPMC test evaluated by Student t test.

Results: There were statistically significant differences among Zn-phosphate, Zn-polycarboxilate and resin dental cements (p ˃ 0,05). GIC displayed significantly higher AO values (p < 0,01) versus other three cements. There were no difference in AO capacity between sample of original P cements and their corresponding quercetin variants (p ˃ 0,05).

Conclusions: Conventional GIC displayed the most powerful AO activity among P luting cements. Addition of 1% antioxidant quercetin did not improve AO capacity of investigated cements.

Keywords: Antioxidant; Antioxidant capacity; Free radicals; Luting cement; Glass ionomer cement; Eugenol; Quercetin; Flavone

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Citation Information: Balkan Journal of Dental Medicine. Volume 20, Issue 3, Pages 155–159, ISSN (Online) 2335-0245, DOI: https://doi.org/10.1515/bjdm-2016-0025, November 2016
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