Average Cost Of Braces by State for 2012. The following average cost was done by using a bracesinfo.com sample of orthodontist in large cities (50,000-500,000) by region and with the 2011 JCO (Journal Of Clinical Orthodontics) Orthodontic Practice Study MEAN FEES BY GEOGRAPHIC REGION based on 10,956 orthodontist.
Causes of Fingernail Ridges, Pitting and Curved Nails. Normal Lines and Ridges on the Nails. Longitudinal ridges (running from the cuticle to the free edge of the nail) may be due to aging and not a sign of any disease. Nail beading, where the nail loses its smooth curvature, is also a normal part of aging.
The following causes of Spoon-shaped nails are diseases or medical conditions that affect more than 10 million people in the USA: 1  Iron-deficiency anemia. 2  Raynaud's disease. 3  Trauma. 4  more causes...Â».