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Can I whiten with my night guards?
The short answer is NO. Although night guards are custom-fitted to your teeth, they are cut different and are not made with the same reservoir to allow gel to stay against the teeth without oozing out. Night guards are meant to fit snug and prevent grinding. Additionally, night guards are worn on the upper OR lower teeth. For this reason, you will not have both an upper AND a lower tray to whiten.