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.
So let us see how much does it cost to get braces for kids. 1  Metal Braces. The most despised type of braces by children, these braces have steel ties. 2  Damon Braces. Possibly the most costly among all the braces for kids, they can go up to $8,000. 3  Invisalign Braces. The cost for these braces usually revolve around $5,000.