Comparison of Postoperative Outcomes of Interlay vs Underlay Graft in Tympanoplasty

Tympanoplasty performed using the underlay graft technique, where the graft is positioned beneath all three layers of the tympanic membrane remnant.

Tympanoplasty performed using the interlay graft technique, where the graft is positioned between the mucosal and fibrous layers of the tympanic membrane.