The Dental Dilemma: Can Dentists Tell If You Vape? Can Dentists Tell If You Vape? Green Pond Dental Can Dentists Tell If You Vape? Green Pond Dental Can your dentist tell if you vape? The answer is YES! Here's how we know: Dry mouth Leads to more plaque & cavities Inflamed gums Nicotine reduces Can your dentist tell if you vape? The answer is YES!, Heres how we know: Dry mouth Leads to more plaque & cavities Inflamed gums Nicotine reduces blood flow, causing redness & swelling