Liquid nitrogen is very cheap because it is a by-product of the production of liquid oxygen. Nitrogen is obtained from liquid air by distillation at -196Â°C. The gas obtained by this process is actually a mixture of nitrogen and about 1.25% noble (or inert) gases, argon, neon, krypton, and xenon.
Damon braces or any of the self-ligating bracketing systems are pretty standard now in orthodontic offices. It varies greatly by city or region, depending where you live, so anywhere between $4000 and $6000.
Most people wear braces for one to three years, depending on what conditions need correcting. The cost of braces can range from $2,000 to $7,000. Removable appliances: Shaped like a mouth guard, removable appliances (sometimes called retainers) are small, custom-fit devices made of plastic and metal.