Please choose the correct ending to complete the given sentence: Health: [header] How to deal with dental devices [title] Take care of your teeth. [step] It's easy for food to get caught in between your braces, which causes plaque build up and overall poor dental health. Be sure to establish a good dental hygiene routine that includes brushing, flossing, and rinsing with mouthwash every day.

Ending1: Brush your teeth about once a day and floss once a day. [substeps] Keep your teeth clean by brushing them as well. Ending2: [substeps] Brush at least twice a day, in the morning and before bed. It's best to brush after eating as well to avoid letting food sit in the braces. Ending3: [substeps] Brush your teeth twice a day and floss at least twice a day, if not more often. Gargle mouthwash before meals to rid you of plaque. Ending4: [substeps] Brush and rinse your teeth after every meal, or whenever you snack. Go to the bathroom in the morning or after every meal, if you have to.

Answer format: ending1/ending2/ending3/ending4