Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to ease wisdom tooth pain [title] Know where your new teeth are growing. [step] Try to be aware of sore locations when you're going about your daily routines. Be extra careful about brushing and biting on the side where the tooth is growing because you may cause inflammation or even an infection.

Ending1: For instance, if the tooth is growing so big that white streaks start to form on the surface, tooth buds may form on an otherwise white tooth and will take on an intense pinkish color. These buds can also develop into white gums, causing gum disease or other dental problems. Ending2: [substeps] Knowing your teeth by heart will help you have extra patience while you are undergoing surgery and having your teeth lengthened. [title] Apply a gland-anesthetic to alleviate pain. Ending3: If multiple wisdom teeth are growing in on both the left and right sides of your mouth, try to identify which spots are the most sensitive, and be gentle with them. [substeps] Don't poke and prod with your tongue, as this will aggravate your sensitive and swollen gums, and could lead to infection. Ending4: [substeps] If the decay continues or you're still having trouble smiling while smiling, see a dentist. A dentist can help you decide how to trim your teeth.

Answer format: ending1/ending2/ending3/ending4