David Etnier through the years Vaping might seem harmlessbut it can take a toll on your oral health. E cigarettes often contain nicotine and chemicals that can lead to: Gum disease Dry mouth (increasing cavity risk) E cigarette vaping with nicotine appears to hamper mucus clearance from the airways, according to a study. E Cigarette For Vaping Stock Photo Download Image Now Electronic Cigarette, Appliance, Backgrounds iStock The E cig Way to Stop Smoking