The Chairside Instructor 42 Orthodontic Treatment A space maintainer holds space for a permanent tooth. A lingual arch holds space in the lower jaw when several teeth are lost too early. During the growth period, conditions such as a narrow upper jaw may be corrected by a palatal expander. Appliances Used During Growth and Development Crooked teeth and bite problems are often solved with orthodontic treatment. Braces are the most common way to straighten teeth and correct major bite problems. Gum Disease with Orthodontic Appliances Avoid unnecessary complications with your braces! It’s important to keep your mouth healthy — especially when you are wearing braces. Inflamed, puffy gums can make it difficult to keep your teeth and appliance clean. Your dentist or hygienist can show you how to properly clean your teeth when you have braces to help prevent issues, like gum disease. Bonded clear brackets (upper) and/or metal brackets (lower) can be used as braces. Removable retainer can hold teeth in place after braces are removed. Removable retainer in place Image ©Elesevier Inc. All rights reserved. Orthodontics Inflamed, puffy gums