When the patient wants more flexibility and comfort in wearing retainers, orthodontists suggest removable retainers. These retainers can be removed from the mouth on demand. There have been instances when patients have either forgotten or completely let go of wearing their removable retainers. This can cause the teeth to shift back. China Orthodontic Laboratory is a highly reputable laboratory to provide custom-made and handcrafted orthodontic appliances such as dental retainers, the best smiles orthodontics, and more.