I have a broken bicuspid and i lost half of it. now there is pain and swelling. i am taking antibiotics and pain medications. can the tooth be saved with a root canal and cap?

Maybe: If the tooth is broken but not fractured yes. If the tooth is vertically fractured it cannot be saved however in that case an implant is possible or a fixed bridge. See your dentist asap.

Possibly: Whether or not a tooth can be saved depends on the location of its margins. X-rays and clinical exams by a dentist should let you know.

Probably YES: If there is enough tooth left for the tooth to be successfully restored, the answer is a qualified yes.

Yes: If your dentists determines that there is enough tooth structure remaining.

See your dentist: for evaluation, x-rays and treatment options. You and your doctor will put together a treatment plan specific to your situation. Good luck.

See dentist ASAP: This is hard to say without a clinical and radiographic examination. See your dentist ASAP. The dentist needs to examine the area and see if the tooth is worth saving or may be more prudent to have an implant placed.