There are detachable and fixed retainers. Mounted retainers are generally known as bonded retainers and are attached on the back of teeth with dental bonding. They are chosen frequently for young people who find themselves not likely to maintain up with their retainer with out it remaining mounted into spot. https://toporthodonticproducts93467.bleepblogs.com/33381088/the-top-orthodontic-products-diaries