Vaping & your mouth: what you might notice at home If you vape, watch out for: Bleeding when brushing or flossing Persistent bad breath Tooth sensitivity or wear What Happens When You Swallow Vape Juice? Vaping can have several negative effects on your teeth and overall oral health. Some of the key concerns include.. Tooth Decay and Enamel Damage: The chemicals in vape juice, such as What You Need to Know about Vaping and Oral Health Sinada Dental Vape Juice Is Causing 'Vape Tongue' and Desensitizing Taste Buds Business Insider