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.
For example: 1  According to Cost Helper, traditional metal braces cost between an average of $3,000 and $7,500. 2  Brands of clear braces, such as Damon, carry an average cost of treatment between $3,800 and $8,000, depending on the patient's requirements.