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논문 기본 정보

자료유형
학술저널
저자정보
Mustafa Hayati Atala (Istanbul Medeniyet University) Esma Ba?ak Gul Aygun (Cukurova University) Arife Do?an (Gazi University)
저널정보
한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제21권 제4호
발행연도
2020.1
수록면
407 - 415 (9page)

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초록· 키워드

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The purpose of the current study was to improve the mechanical strength and reduce the micro-cracks on the microstructureof the dentin ceramic through addition of various boron compounds (borax, boric acid). Following addition of borax and boricacid (1, 2, 3% of the weight percent) to the traditional feldspathic porcelain; crack lengths, flexural strength and fracturetoughness were analyzed. The data analyses were performed by using one-way ANOVA (p<0.05). Differences between groupswere determined by Tukey HSD. The results of the present study suggested that the crack lengths were decreased and thefracture toughness were increased in all boric acid added groups (p<0.05). The group containing 1% boric acid hadsignificantly decreased the biaxial flexural strength value compared to the control group (p<0.05). The Vicker’s hardness valueof the group containing 1% borax was found to be significantly lower (p<0.05). The present study demonstrated that variousproportions of borax and boric acid addition in dentin ceramic had reduced the formation of cracks. The current study couldbe a good starting point on reinforcement of dental ceramics with a possible outcome that will reduce the failures of dentalrestorations.

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