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Audit of the incidence of persistent perforation of the tympanic membrane following grommet removal or extrusion
Published online by Cambridge University Press: 29 June 2007
Abstract
The incidence of persistent perforation following grommet removal or extrusion in 210 ears was assessed, and found to be zero per cent. Collar button grommets were retained longer than Shepard grommets, and the percentage of ears requiring two or more tube insertions was 51.9 per cent.
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