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Updated: Oct 19, 2025
Biological Compatibility Profile on Biomaterials for Bone Regeneration
Published on: November 16, 2018
Bioactive glass in canal wall reconstruction tympanoplasty
M Fieux1, R Tournegros2, S Zaouche2
1Service d'ORL, d'otoneurochirurgie et de chirurgie cervico-faciale, hospices civils de Lyon, centre hospitalier Lyon Sud, 69310 Pierre-Bénite, France; Université de Lyon, université Lyon 1, 69003 Lyon, France.
Abstract:
The purpose of this Technical Note is to describe the surgical technique to transform canal wall down tympanoplasty into canal wall up tympanoplasty, that is, to rehabilitate a recess cavity by filling the mastoid and epitympanic cavities with synthetic tissue (bioactive glass) and recreating a normal-caliber external auditory canal. Mastoid cavity obliteration leads to a clinically significant improvement in health-related quality of life without increasing risk of recurrent or residual cholesteatoma, conditional upon technically impeccable surgery.
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