How long does an Invisalign retainer last?
My daughter will take out her braces next week, her doctor told me that one pair of invisalign retainer cost $400, and if I order 4 pairs will be $800, but it will last for the life time. It's true? Thanks.
My daughter will take out her braces next week, her doctor told me that one pair of invisalign retainer cost $400, and if I order 4 pairs will be $800, but it will last for the life time. It's true? Thanks.