Dr. William (Bill) Harrell is a Board Certified orthodontist in Alexander City, Alabama. Member of American Academy of Sleep Medicine. He has the first ConeBeam (CBCT) 3D x-ray unit iCAT(www.imagingsciences.com) in the state of Alabama, the first in the USA to have a 3D x-ray (iCAT) combined with the 3D facial scan (www.3dmd.com)