الفهرس 
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Abstract
Long standing tympanic membrane perforations may cause hearing loss and middle ear infection even if they are small in size. Further, the patients have to observe water restrictions. The purpose of myringoplasty is to repair such perforations and thus improve hearing and eliminate the susceptibility to middle ear infections.
To close a tympanic membrane perforation, myringoplasty with post auricular incision has been routinely performed all over the world for the past four decades and surgeons have chosen a preferred method among underlay, overlay, and inlay (sandwich) techniques. The repair of the tympanic membrane has been attempted with large variety of synthetic, homologous and autogenous tissue; however temporalis fascia, areolar tissue and perichondrium are used most commonly today. Transcanal techniques have also been attempted to simplify myringoplasty using fat, micro pore tape, atero-collagen and so on.
In our study we include 20 patients and all patients were subjected to myringoplasty were divided into two different groups.
Each group includes 10 patients:
-group (1):
The patients of this group subjected to hyaluronic acid fat graft myringoplasty.
-group (2):
The patients of this group subjected to temporalis fascia graft myringoplasty.
In our study the success rate in the group which is subjected to hyaluronic acid fat graft myringoplasty was 60%.
The success rate in the group which is subjected to temporalis fascia graft myringoplasty was 80%.
Fat and temporalis fascia are suitable graft materials with high success rate and can be used as a graft in simple underlay myringoplasty.
In conclusion, permeatal myringoplasty is a simple, quick and minimally invasive procedure which can be performed on outpatient’s basis, and it is suitable to repair small perforations of the tympanic membrane.