Floss once per day, or preferably after every meal. Go up under the gum line and move the floss back and forth in a polishing motion. Also, be sure you are curving the floss along the shape of the tooth to cover all areas.
Mouthwash’s necessity is questionable. While it has been proven that using a fluoride mouthwash reduces plaque-causing bacteria by up to fifty percent, dentists commonly agree that brushing and flossing regularly are more than adequate to keep the teeth in quality condition. Also, mouthwash is not without its side effects. Therefore, the use of it is up to you.