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Влияние вида и способа введения добавок оксидов редкоземельных элементов на цвет стоматологического фарфора

Влияние вида и способа введения добавок оксидов редкоземельных элементов на цвет стоматологического фарфора

Abstract

Получен стеклокерамический материал, который может быть использован в стоматологии для изготовления дентинового слоя многослойного покрытия зубной коронки. Для окрашивания материала использованы добавки соединений Tb и Cе, а также комплексная добавка, представляющая собой смесь оксидов Cе, Nd и La. Показано, что добавка оксида Tb придаёт материалу окраску только в комплексе с оксидом Се. Установлено, что с повышением содержания добавок оксидов редкоземельных элементов в составе образцов наблюдается увеличение интенсивности окраски спеченного материала. Длина волны отраженного света исследуемых образцов лежит в пределах 600...650 нм, что соответствует желто-оранжевой и оранжево-красной областям спектра.

Glass-ceramic material which may be used in stomatology for making dentinal layer of multiple coating of pivot tooth has been obtained. To color the material the admixtures of compounds Tb and Ce as well as complex admixture representing a mixture of oxides Ce, Nd and La are used. It is shown that addition of Tb oxide color material only together with Ce oxide. It is ascertained that at growth of content of oxide admixtures of rare-earth elements in sample composition the increase of coloring power of sintered material is observed. Wave length of reflected light of the studied samples is in the range of 600...650 nm that corresponds to yellow-orange and orange-red spectral region.

Keywords

биокерамика, керамика стоматологическая, имплантаты, стандартная цветовая шкала, оксиды редкоземельных элементов

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average