Meaning: Doesnt it make sense to drink straight from it…especially when youre half-asleep?
Experts in This Article
Nathan Oakes, DMD, is the practice owner of Aspen Dental.
It introduces bacteria and other microorganisms from the mouth back into the mouthwash bottle.

That can lead to indirectly sharing bacteria and food particles (ick).
The cleaning properties are inhibited
Its also just generally less effective.
You may not get enough mouthwash
Dr. Oakes also doesnt love how this method leaves you guessing.

Nathan Oakes, DMD, is the practice owner of Aspen Dental.
The dosage and length of the swish may differ, she adds, so refer to the bottles instructions.
Not surewhich mouthwash to use?
If you dont want to do that, disposable cups are a great option, he says.

But thankfully, youve got an easy fix.
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Nathan Oakes, DMD, is the practice owner of Aspen Dental.

