How to remove plaque besides going to a dentist?

Brush and floss: Plaque which is soft (unlike calculus which is hard) can be removed with proper tooth brushing and flossing.

Brush: Just so we are talking about the same thing, plaque is the soft stuff that easily comes off, and tartar is the calcified stuff. We all get plaque, every day, and if you notice it on your teeth, it is only there because you miss it when you brush or floss. Refine your technique and see what happens!

Agent Blue: If your hygienist said you need to do a better job, disclosing solution can show you areas you missed after brushing your teeth. You will never get to a point where you will not need a dentist, you can get to a point where you have a consistantly healthy mouth with the help of routine dental visits.