SANTA CLARA, Calif., Nov 28, 2005 /PRNewswire-FirstCall via COMTEX News Network/ -- Align Technology, Inc. (Nasdaq: ALGN), the inventor of Invisalign(R), a proprietary method of straightening teeth without wires or brackets, today announced that Temple University School of Dentistry has integrated the Invisalign System into its dental curriculum.

This spring, third and fourth year dental students completed an Invisalign certification course at Temple University School of Dentistry (TUSD). Students are now able to treat full cases under the direction of certified orthodontic residents and faculty members. Study of Invisalign treatment techniques and protocols will be part of required coursework for third year dental students. The next certification course for TUSD students is scheduled for the spring semester in 2006.

"Temple has a reputation for being an excellent clinically oriented school of dentistry because its students are exposed to many different clinical experiences. The inclusion of Invisalign in our curriculum is in line with the educational mission of the dental school," said Dr. Orhan Tuncay, Professor and Chair of the Department of Orthodontics at TUSD. "The resulting education and exposure is of great value to the students."

The School of Dentistry was founded in 1863, and became affiliated with Temple University in 1907. It is the second-oldest dental school in continuous operation in the United States. One hundred twenty-five students are enrolled in the freshman class each year. The School has fully accredited graduate programs for the following specialties: orthodontics, periodontics, endodontics, and advanced education in general dentistry. Temple University School of Dentistry also enjoys affiliations with several hospitals in the Greater Philadelphia area.

"Integrating Invisalign into dental and orthodontic curricula is one of the most important components of our clinical education program," said Dr. Lou Shuman, Vice President of Strategic Clinical Relations at Align. "Under the direction of Dr. Tuncay, TUSD has created an incredible culture that stresses the study of new technologies for improved clinical treatment. We are pleased they have recognized the value of Invisalign treatment as part of their curriculum."

About Align Technology, Inc.

Align Technology designs, manufactures and markets Invisalign, a proprietary method for treating malocclusion, or the misalignment of teeth. Invisalign corrects malocclusion using a series of clear, nearly invisible, removable appliances that gently move teeth to a desired final position. Because it does not rely on the use of metal or ceramic brackets and wires, Invisalign significantly reduces the aesthetic and other limitations associated with braces. Invisalign is appropriate for treating adults and older teens. Align Technology was founded in March 1997 and received FDA clearance to market Invisalign in 1998.

To learn more about Invisalign or to find a certified Invisalign doctor in your area, please visit www.invisalign.com or call 1-800-INVISIBLE.

Investor Relations Contact              Press Contact
     Barbara Domingo                         Shannon Mangum Henderson
     Align Technology, Inc.                  Ethos Communication, Inc.
     408-470-1000                            678-417-1767
     investorinfo@aligntech.com              shannon@ethoscommunication.com

SOURCE Align Technology, Inc.

investors, Barbara Domingo of Align Technology, Inc., +1-408-470-1000, or
investorinfo@aligntech.com; or media, Shannon Mangum Henderson of Ethos
Communication, Inc., +1-678-417-1767, or shannon@ethoscommunication.com, for Align
Technology, Inc.

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