Whenever the plaque buildup is noticeable, after I smoke, after I drink heavily, and anything else that stains teeth (Oreoreoreos(chocolate in your teeth), tea, covfefe, ect,).
lmao this is so true, people always criticize britan it hurtsAnd Europe has the cheek to say the British have poor oral hygiene lol.
ewwwwww.....Bout once a week on average