Dr. Jon Marashi, the dentist behind many Hollywood smiles, breaks down whether mouth taping can improve sleep quality or fix snoring and drooling. Dr. Marashi says the answer isn’t black and white.

If you’re anything like us, then you have a long list of complaints about going to the dentist — it’s long enough to keep you away, well, forever. But it shouldn’t: A healthy mouth, gums, and teeth ...