How Vaping Effects Your Oral Health Absolute Dental 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 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 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