Abstract
This paper gives the functional preliminary and final results of tympanoplasty as modified by Khan (1973) types I–III in 494 patients. It is emphasized that in reconstruction of the middle ear, the use of a prepared fascial graft, homograft incus, cartilage and external auditory meatal flap is sufficient. The preliminary and final results were documented with the aid of audiograms which were described and critically appraised according to two different types of evaluation. The evaluation did not only include the hearing results of tympanoplasty, but also the change in individual frequencies for all types. The hearing gain achieved from the preliminary postoperative control to the final examination is especially satisfying, since it also includes an improvement in bone conduction values.
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