Bandejas bucales blanqueadoras de dientes de 10 piezas - Protectores de goma remodeables - Moldes fáciles y rápidos
Soak the tray in warm water of about 70 degrees for 10-15 seconds to soften the tray. Be careful not to use hot water that is too hot at 90 degrees, which will make the tray wrinkle. When you see the tray Fish out when the edges are wrinkled;.