Vaping Risks What Vaping Can Do to Your Mouth Drayton e cigarette use is associated with an increased risk of periodontitis and dental cavities, though to a lesser degree than traditional smoking. Vaping can harm your dental hygiene by causing: E cigarettes found to cause change in mouth bacteria which could lead to gum disease or oral cancer E Cigs and Oral Health Zak Dental Family Dentistry, Cosmetic Dentistry