(1)
(2)
References
(1) Dr. Kam's blog. (n.d.). Retrieved November/December, 2011, from http://drkam.files.wordpress.com/2010/04/before-after.gif
(2) Glasman Dental Care. (n.d.). Retrieved November/December, 2011, from http://www.glassmandentalcare.com/images/invisalign-before-after-with-shadow.jpg