수산화칼슘 근관약제와 산화아연-유지놀의 반응에 관한 화학적 분석
CHEMICAL INVESTIGATION ON THE REACTION BETWEEN CALCIUM HYDROXIDE INTRACANAL MEDICAMENT AND ZINC OXIDE-EUGENOL
이인순, 이재문, 석충기,
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이인순 ( ) - 경북대학교 치과대학 치과보존학교실
이재문 ( ) - 경북대학교 치과대학 치과보존학교실
석충기 ( ) - 경북대학교 치과대학 치과보존학교실
KMID : 0362320000250020272
Abstract
Calcium hydroxide is used as a root canal medicament with its several pharmacological effects. However. it has been known that the usage of calcium hydroxide in the root canal system before canal filling with gutta-percha and zinc oxide eugenol-based cement induced change in the properties of root canal cement which might adversely affect sealing ability of the canal filling.
The purpose of this study was to identify the reactivity of calcium hydroxide-eugenol compound made from chemical interaction of between calcium hydroxide and zinc oxide eugenol.
Chemical properties of calcium hydroxide, eugenol, zinc oxide eugenol. calcium hydroxide-eugenol and calcium hydroxide-zinc oxide eugenol compound were analyzed using XRD, FT-IR Spectrophotometer and FTNMR Spectrometer.
The results were as follows:
1. The compound made from interaction between calcium hydroxide and zinc oxide eugenol was as follows :
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2. Calcium hydroxide was shown to make chemical bond (ionic bond) with eugenol.
3. Since bonding between Ca²^(+) and eugenol is simple ionic nature, under water existence, calcium hydroxide-eugenol compound may be ionized easily and its physical property be deteriorated.
Calcium hydroxide;Intracanal medication;Zinc-oxide eugenol;Chemical reaction;XRD;FT-IR;FT-NMR;Spectrometer
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