TheNeoWorld on Instagram: "A dental retainer is an oral appliance, usually made of plastic and sometimes combined with metal wires, that helps keep your teeth in place after orthodontic treatment. Once braces or aligners have straightened your teeth, retainers are used to prevent them from shifting back to their original positions. They work by holding the teeth in their corrected alignment while the surrounding gums, muscles, and bone adapt to the new structure. There are different types of ret