La sigaretta elettronica fa male? Ecco la verit TiSvapo Sigaretta elettronica: cos', come funziona, perch fa male Mario Negri E cigarettes found to cause change in mouth bacteria which could lead to gum disease or oral cancer 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)