Size:White hard for adult Instructions: 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 water,do not use hot water! Then put them in clean box. This teeth retainer is made of medical grade plastic. It is safety for human body. Straighten the teeth not a short time thing, you need keep on using them. Do not suspect their effect, they need time to proof themselives!
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