Please choose the correct ending to complete the given sentence: Health: [header] How to treat a fat lip [title] Check your mouth for other injuries. [step] Check your tongue and inner cheeks for further injury that may require a doctor. If your teeth are loose or damaged, seek emergency dental care right away.

Ending1: [title] Wash your hands and face with soap and water. [step] Before you begin the treatment, make sure the affected area and your hands are clean. Ending2: You may be able to find a tongue abscess, or break off a tooth, by looking in a mirror. If your mouth is sore and inflamed, you will want to seek emergency medical attention as soon as possible. Ending3: [substeps] Scraping or scratching severely damages the enamel over time. Another way to prevent damage is to remove any cigarette or powder mouth sores, or gum sores. Ending4: If you drop to this level of concern, go to the nearest emergency room to receive surgery. However, you should also see your doctor immediately for any internal injuries that you suspect might indicate a fat lip.

Answer format: ending1/ending2/ending3/ending4