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When the eardrum is damaged, the hearing process is interrupted.The eardrum also acts as a barrier to keep outside material(such as bacteria) from entering the middle ear. When the eardrum is perforated, bacteria can easily travel to the middle ea...
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The eardrum can become damaged by a direct injury. It is possible to perforate the eardrum: with a cotton-tipped swab or another foreign object by hitting the ear with an open hand after a skull fracture after a loud explosion or other loud nois...
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Middle ear infection( otitis media) is the most common cause of perforation of the eardrum. Infection usually stems from an upper respiratory infection in which swelling(edema) in the eustachian tube causes fluid and mucous to gather behind the ea...
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