There are actually removable and fixed retainers. Fastened retainers are also called bonded retainers and they are attached for the back of tooth with dental bonding. These are generally favored commonly for youthful people who are not likely to keep up with their retainer without it being mounted into put. https://orthodontic-products-in-u81245.is-blog.com/39361211/a-simple-key-for-orthodontic-products-unveiled