Treatment: twice a day, every time use 30 minutes, seven days may have effect ,28 days for a course,so we suggest you’d better buy 2 pieces
1.do not brushing your teeth 30 minutes before use,simply rinse with water,short is affixed to the lower teeth, long is affixed to the upper teeth
2.let the excess portion of the inner inwardly to secure the teeth,be careful not to stick to the gums
3.30 minutes and peel off teeth stickers , gargle with water or brush your teeth, do not diet coffee, cola and other dark drinks