รีเทรนเนอร์ถาวรดีกว่าแบบถอดได้ไหม?Pros: Cleaning tablets are Light within the plastic material and don’t cause scratches or warping. They also give a deep clear that gets rid of microbes and bad smells, retaining your retainers as good as new and odor-free.ทนทานกว่�