ITEM NAME:Silicone Environmental Dental Orthodontic Teeth Straight Retainer Tooth Bra Q2V7 Description&Preview. · After 15 seconds, get it out and bit down, make sure it can stick firmly against upper jaw. Material: Silicone.  · High-quality silicone. You can follow below process to chontact us.  · Place the gum shield in hot water(about 80℃/176℉).
