Frasier

Season 10, Episode 7

Episode Title: Bristle While You Work (1)

Air Date: 2002-11-12

Overview:

Niles becomes concerned about a lingering toothache after his dentist assures him that there is nothing wrong with the tooth. He tells Roz that there is a chance that he may be suffering from referred pain; and that the pain could actually be a sign of a heart condition.