Please choose the correct ending to complete the given sentence: Health: [header] How to apply emergency dental care techniques until you can see a dentist [title] Rinse the mouth out with warm water to clean it out. [title] Gently use dental floss or an inter dental cleaner to ensure that there is no food or other debris caught between the teeth. [title] Never put aspirin or any other painkiller against the gums near the aching tooth, because it may burn the gum tissue.

Ending1: [title] Always brush your teeth using unflavored dental floss. [title] Don't rinse your mouth with salty food, as it may dissolve some of the beneficial bacteria. Ending2: [title] Take plastic or white tablets to reduce pain and swelling. [step] You can also use a cotton swab to catch any food stuck between the teeth. Ending3: [title] Clean up the area around the wisdom tooth. [step] Use pain relieving mouthwash, cold water for mild pain, or a soft washcloth to avoid getting any. Ending4: [step] If the pain persists, contact your dentist. [title] Rinse your mouth with warm water to clean the area.

Answer format: ending1/ending2/ending3/ending4