6. SWIRLING WINE
Wine experts encourage us to swirl a good wine around the mouth to bring out the flavour of the wine but according to dentists, doing this is bad for the teeth because wine is acidic and swirling ensures more of your teeth are covered in the acid.
7. USING YOUR TEETH AS A TOOL
Many use their teeth as a tool to open drinks but this is bad for the teeth and can cause fracture.