Opro GOLD BRACES provides high level of protection and maximum comfort during wearing, speaking, and breathing even for those wearing braces. Very fast and easy shaping is provided by plastic handle that fits into the gaps in the guard which helps with manipulation and precise shaping. The inner layer of the guard features a patented canal technology that fully fills out the gaps between teeth to provide the maximum possible protection. Guard contains antibacterial additives (flavourless) that kill 99,9% of bacteria.