Please choose the correct ending to complete the given sentence: Health: [header] How to care for your teeth as a senior citizen [title] Visit your dentist for regular dental hygiene checkups. [step] This means at least once yearly. [title] Brush at least twice a day with a soft-bristled toothbrush (unless otherwise specified by your dentist) and rinse with mouthwash.

Ending1: [title] Continue brushing your teeth with floss twice everyday. [step] Don't stop brushing and flossing until you can no longer see any white or grey under your teeth. Ending2: [step] Brushing helps remove food and plaque on both natural teeth and dentures. It also helps prevent development of permanent stains. Ending3: [step] Make sure the brush is clean and you don't have any toothpaste in it. You should also floss and brush thoroughly and gently, as this will keep your teeth from becoming white. Ending4: [title] Be sure to have a toothbrush handy so as to avoid any trips down the aisle. [title] Feel your gum area and brush if possible and chew gum sparingly.

Answer format: ending1/ending2/ending3/ending4