Can Dentists Tell If You Vape? What Your Dentist Sees That You Don't Pymble Dental Practice Can Dentists Tell if You Vape? A Month Ago Can A Dentist Tell If You Vape? Michael Heffernan How Long News Can Dentist Tell if You Vape Can The Dentist Tell If You Vape? Can your dentist tell if you smoke or vape? , Short answer: not really but there is a subtle tell., Nicotine is a vasoconstrictor, which means it can reduce blood flowso when your gums should be