Please choose the correct ending to complete the given sentence: Health: [header] How to treat a broken tooth [title] Look for a sudden pain right after impact or chewing something hard. [step] If you crack your tooth severely enough, you'll probably feel significant pain right after the injury. If you experience this, examine the tooth that hurts and see if there is a piece missing.

Ending1: If so, you've indeed cracked a tooth. [substeps] Also keep in mind that you may still have a shard of tooth in your mouth. Ending2: If the tooth you fractured is still in your mouth, it might be broken. [title] See your dentist if you have issues. Ending3: [substeps] Shock: if you break your tooth in the middle of a conversation and you get a severe pain in the exact center of the bleeding, stop all conversation or seek medical attention immediately. If you don't feel pain, however, that means that there is a broken tooth. Ending4: If there is, call your doctor or your dentist. [substeps] If you experience a sharp pain when you bite, hold a piece of tape over the affected tooth until the area heals.

Answer format: ending1/ending2/ending3/ending4