Invisalign aligners offer some of the most unique advantages – flexibility and comfort being just a few. Crafted without protruding brackets and wires that rub against soft oral tissues, these trays appear sleek and snug-fitting, at least in most cases. Unfortunately, there are times when Invisalign aligners may not sit correctly on your teeth, leaving you to wonder why. Keep reading to discover why this happens and what you can do to fix the problem and avoid aligner replacement.
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