Fluoroaluminosilicate glass powder

The present invention addresses the problem of providing a fluoroaluminosilicate glass powder that contains sodium and potassium, which have the effect of lowering the refractive index of glass, but that nevertheless affords a cured dental glass ionomer cement having exceptional acid resistance. The...

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Bibliographic Details
Main Authors Fusejima, Futoshi, Fukushima, Shoichi, Hokii, Yusuke, Yoshimitsu, Ryosuke
Format Patent
LanguageEnglish
Published 12.01.2017
Subjects
APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
DENTISTRY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Summary:The present invention addresses the problem of providing a fluoroaluminosilicate glass powder that contains sodium and potassium, which have the effect of lowering the refractive index of glass, but that nevertheless affords a cured dental glass ionomer cement having exceptional acid resistance. The powder is characterized in that the mass ratio of potassium to sodium among the components is 1.2-1.9, inclusive, on an oxide conversion basis.
Bibliography:Application Number: AU20150285456