Patent ID: 7942961

Claim:
A method of preparation of an antibacterial endodontic filling biomaterial comprising: I) preparing a powder by mixing a plurality of calcium compound powders, wherein said plurality of calcium compound powders consist of calcium salt compound powder (A), calcium oxide compound powder (B), calcium silicate compound powder (Aa) and calcium phosphate compound powder (Ab), and wherein an amount of said calcium oxide compound powder (B) is 8-15 percent by weight, and wherein an amount of said calcium silicate compound powder (Aa) is within 47-71 percent by weight, and wherein an amount of said calcium phosphate compound powder (Ab) is within 9-24 percent by weight and ratio of (Ab)/(Aa) is between 13-50 percent; II) preparing a liquid, wherein said liquid is selected from a group consisting of: distilled, deionized or salt water base solution with basic, neutralized-or acidic pH; and III) preparing a phosphate (—PO 4 ) and calcium (Ca2+) enriched mixture for dental/medical use, wherein said mixture is prepared by mixing said powder with said water base solution thereby producing fast setting/antibacterial cement and hydroxyapatite.