1. General Require User Wear The Orthodontic Braces For 1-2 Hours During The Day And 8 Hours At Night. 2 At First Week Your Teeth May Feel Pain And Soreness This Is Normal. You Need Keep On Using Everyday. 3 These Orthodontic Braces With Good Quality But Do Not Bite Them Avoid Deformation. 4 Before And After Use Them Please Clean With A Toothbrush Use Cold Or Warm WaterDo Not Use Hot Water! Then Put Them In Clean Box.