| 摘要 |
PROBLEM TO BE SOLVED: To provide a toothpaste for periodontal disease utilizing high antibiotic activity and high deodorant property of platinum nanoparticles.SOLUTION: The production method comprises the steps of: preparing a stock solution (OPL) by dissolving nano size platinum particles in 1 liter water or preparing an aqueous solution of platinum nanoparticles (PSL) by diluting OPL to a certain dilution rate with water; putting OPL or PSL into a sprayer like vessel 4; adding force F to the vessel 4 to spray OPL or PSL onto paste-form toothpaste 1P; then stirring toothpaste 1A using a diffuser 5 to disperse the platinum nanoparticles 2 contained in OPL or PSL in toothpaste 1. |
