LITTLETON, Colorado (AP) -- A dentist found the source of the toothache Patrick Lawler was complaining about on the roof of his mouth -- a four-inch (10-centimeter) nail the construction worker had unknowingly embedded in his skull six days earlier.
http://www.cnn.com/2005/US/01/16/nailgun.accident.ap/index.html
http://www.cnn.com/2005/US/01/16/nailgun.accident.ap/index.html