Can Dentists Tell If You Vape, Smoke, or Use Weed? Can a dentist tell if you vape? Complete Details I often hear people asking if vaping is truly safer for their teeth and gums. This comparison between vaping and smoking really puts things into perspective! While both pose risks, it's Dentist Confidentiality: Will They Tell Your Parents You Vape? Can a Dentist Tell If You Smoke? 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