Multi-choice problem: Continue writing the next sentence in this paragraph:

How to treat a broken tooth
Look for a sudden pain right after impact or chewing something hard.
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.

OPT: (a). If so, you've indeed cracked a tooth. Also keep in mind that you may still have a shard of tooth in your mouth.; (b). If the tooth you fractured is still in your mouth, it might be broken. See your dentist if you have issues.; (c). 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.; (d). If there is, call your doctor or your dentist. If you experience a sharp pain when you bite, hold a piece of tape over the affected tooth until the area heals.;
(a).