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What does the + sign mean on an Invisalign tray?

whatinthefApr 28, 2017
I recently noticed my last three trays have the + sign on them. I.e. 47+, 48+, 49+. What does the + mean? Additionally, is it realistic to assume that any dentist will remove these attachments for me when this is over? I moved mid-treatment and have not found a new dentist yet. My attachments all fit perfectly and my teeth look great so I'm not worried about it.

Answers (2)

From board-certified doctors and trusted medical professionals
Dr. Tim Huckabee, DDS
Dentist
Answered on May 1, 2017
Answer
Dr. Michael Mazaheri, DDS
Dentist
Answered on May 1, 2017
Answer

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