Oral preparation and chewing gum

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专利权人:

Kazuhiko Kato

发明人:

Kazuhiko Kato,Yoshinori Murakami,Yoshiyuki Muroi,Manabu Tonomura,Mitsuyoshi Kashiwagi

申请号：

US10533080

公开号：

US08206689B2

申请日:

2003.10.31

申请国别(地区):

US

年份:

2012

代理人:

摘要：

The invention provides an oral preparation or a chewing gum comprising an organic acid and/or inorganic acid and a fluoride ion supplying compound, wherein a light scattering layer is formed inside enamel of the teeth when the oral preparation or the chewing gum is applied to teeth. An internal tooth colored layer in the enamel is masked by the light scattering layer, and a white appearance is imparted to the teeth.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/