ABSTRACT The three-Dimensional Ion Implantation technique (3DII) causes ions to collide with a solid surface in a perpendicular way regardless of the geometry of the solid (Khvesyuk & Tsygankov. 1997; Dougar-Jabon. Dulce-Moreno & Tsygankov. 2002). https://cosmeticssquadets.shop/product-category/baby-teether/