What's the difference between using bleaching trays from a dentist and using one that is OTC. I have used both and I like the one from the dentist better. Is there a difference besides the price?
Teeth Whitening?
Yes, the ones from the dentist are custom-made after taking an impression, while the ones sold OTC are simply 'melted' and placed over your teeth.
Reply:The same difference between any prescription and over-the-coutner product. Prescription products are usually stronger and more specific and more expensive.
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