Had a tooth exray. No abcess. Dentist thought it was trauma to tooth. Tooth is not loose?

Your tooth does not have to be loose to have been damaged by trauma. The damage is probably done to the nerves in the root underneath, and will not be visible to the eye, until the tooth actually dies, turning the tooth black over time. Before that time, however, you could very well be in terrible pain, and infection will set up even if it isn't right now.

If the dentist says you have a tooth trauma, you will continue to be in pain until you have a root canal and crown to repair the tooth. The root canal with remove the damaged nerve, restore the base of the tooth and the crown will stabilize and restore the size and surface of the tooth to be consistent with the rest of your teeth. This will make your bite back to normal and make eating more tolerable and healthy for you.

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It is never a good idea to take medications for a different condition for that which is was prescribed to begin with. Antibiotics should be finished at the time they were prescribed. Ceftin is a strong drug, and not generally prescribed for infections in the mouth. See your dentist for the proper treatment, and do not take Ceftin for this particular problem, since you were already told that you don't have an abcess (another name for infection in this case.)