2/4pcs Soft Silicone Tooth Orthodontic Braces Set Mouth Guard Protector Dental Teeth Whitening Trays Retainers Oral Hygiene Care Feature : 1. Good shape stability. Soaked in boiling water for a long time, the denture bracket will not be seriously deformed or contracted, so that it can not be used. 2. High transparency. The molded dental bracket can maintain high transparency and is especially suitable for use with a cold light whitening instrument. 3. Good thermoplasticity. Compared with similar products, thermoplastic has obvious advantages, especially suitable for family use, and the gingival line is very clear. 4. It can be formed repeatedly. Due to the inaccuracy of water temperature and soaking time, the molding effect of dental bracket is often not good. This product can be re-molded in 80-90 ℃ hot water even if it is not formed properly, which is not found in other products. 5. Th...