The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 03, 2004
Filed:
Aug. 02, 2002
Yoko Ishihara, Tokyo, JP;
Eiichi Yoshii, Tokyo, JP;
GC Corporation, Tokyo, JP;
Abstract
A tooth surface treatment material and method to eliminate a smear layer, to deliver an inorganic component of a tooth structure in a dental cavity to the tooth structure to make a glass ionomer cement firmly adhere particularly to a dentin which includes an aqueous solution containing 2˜30% by weight of a water-soluble calcium salt and an acid which does not react with the calcium salt by ½ or less of the weight of the calcium salt and having a pH of 2 or less and an aqueous solution containing a water-soluble phosphate other than a calcium salt, or an aqueous solution containing 2˜30% by weight of a water-soluble calcium salt and an aqueous solution containing 2˜30% by weight of a water-soluble phosphate other than a calcium salt and an acid which does not react with the phosphate by ½ or less of the weight of the phosphate and having a pH of 2 or less, the acid-containing aqueous solution being first applied, and the other solution being subsequently applied onto the teeth surface.