Your teeth won’t stay straight on their own. After months (or years) of braces, the last thing you want is for them to shift back. When transforming your smile, an often forgotten about aspect is the retainer phase. A retainer is a dental appliance that you wear over your teeth to help keep teeth in their correct position after braces, which is why getting one is so important. But not all retainers work the same way. Essix and Hawley retainers each have strengths and drawbacks, and choosing ...

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