There are actually removable and glued retainers. Preset retainers are also known as bonded retainers and so are attached to your back of tooth with dental bonding. They are preferred commonly for younger people who find themselves unlikely to help keep up with their retainer with no it becoming fixed https://top-orthodontic-products24680.jts-blog.com/32161743/an-unbiased-view-of-orthodontic-products