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Japanese

OVERLAY AND UNDERLAY METHODS IN TYMPANIC MEMBRANE RECONSTRUCTION Yuichi Nakano 1 pp.389-395
Published Date 1975/6/20
DOI https://doi.org/10.11477/mf.1492208210
  • Abstract
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 Twenty two cases of total tympanic membrane perforation with intact ossicular chain were selected in order to compare results of overlay and underlay grafting methods.

 In 12 overlay cases the fascia was tucked in the slit between the canal wall skin and the annual remnant, and in 10 underlay cases the fascia was tucked in the slit between the mucosa and the annual remnant. The minimum follow-up period was 4 months and the maximum, 2 years.

 Successful hearing restorations were obtained by either method.

 The use of the fascial graft closed the perforation in 21 cases, In 1 of the underlay cases and 4 of the overlay showed a slit-like anterior perforation in the former and persistence ofslight blunting of the anterior sulcus in the latter. Both the overlay and underlay methods proved to be acceptable procedures. However, itis difficult to determine which is the better grafting procedure in cases of total perforation.


Copyright © 1975, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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