Its a chewy, chalky kind of thick liquid that makes a mold of your teeth when you sink them into it. 피팅 과정은 빠르고 고통스럽지 않으며 맛도 나쁘지 않고 다양한 맛 중에서 선택할 수 있습니다. Your finished retainer can be designed to express your style and likes.