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.
2 doctors agreed: Different ways: There are few different reasons a nail may get curved or concave. Trauma may damage a nail root and deform the shape of the nail. In other cases, a fungal infection may be the culprit of the deformed nail. In some cases, the shape of the nail runs in the family.