牙托 are custom-made dental trays used for protection or treatment purposes. They are commonly used as night guards for teeth grinding, whitening trays, or post-orthodontic retainers. Properly fitted 牙托 ensure comfort and effectiveness. By protecting teeth from grinding or exposure to bleaching agents, 牙托 help preserve enamel and prevent damage. Dentists design these trays base... https://www.laresdental.com.hk/假牙牙托/