OBJECTIVES
In this study, we compared possible changes in the opposite ears of the patients who underwent mastoid surgery using a drill or tympanoplasty surgery without the use of a drill through distortion product otoacoustic emissions.
PATIENTS AND METHODS
Between November 2011 and March 2012, a total of 41 patients (17 mastoidectomy, 24 tympanoplasty) who were scheduled for surgery with th...