How Are Invisalign Trays Numbered?

June 18, 2010
Asked By:6589anon

I am finished with my treatment & have saved my last 2 sets of aligners incase my retainers broke. Well, my retainer broke and I'd like to use my last set again until my new retainer comes in. I have one set that's labeled 03 and one that is 04. I can not remember which was the last set in my case.

Answers (3)

From board-certified doctors and trusted medical professionals
MOST RECENT
July 9, 2013

Answer: The Higher the Number the Closer to Finishing

MOST RECENT
July 9, 2013

Answer: The Higher the Number the Closer to Finishing

June 29, 2010

Answer: Numbers are laser inscribed on each aligner

June 29, 2010

Answer: Numbers are laser inscribed on each aligner

June 19, 2010

Answer: Normally invisalign is numbered low to high

June 19, 2010

Answer: Normally invisalign is numbered low to high

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