Porcelain Etch is designed for intraoral or extraoral porcelain etching. Use it for in-office etching of indirect restorations, such as veneers, inlays, etc. After porcelain etching, clean residual debris with Ultra-Etch etchant for 5 seconds and rinse thoroughly; follow with Silane application. Kit contains 2x 1.2ml Porcelain Etch syringes, 2x 1.2ml Silane syringes, 20x black mini brush tips and 20x inspiral brush tips.