[Complications caused by hearing aid mold impression material - clinical case and literature review]

The procedure of taking an impression of the external auditory canal for the manufacture of individual earplugs in the ear canals can be associated with complications in some cases. The article describes the clinical case of ingestion of the impression mass during taking the impression of the external auditory canal in the patient with chronic otitis media. The presence of pronounced hearing loss has become the basis for the selection of a hearing aid. As a result, during taking a cast of the external auditory canal, the material fell into the middle ear cavity. Despite contacting specialists, the patient experienced earache with periodic suppuration during the year. When contacting our clinic, perforation of the tympanic membrane was detected and a CT of the temporal bones revealed a foreign body in the tympanic cavity. The patient underwent surgical treatment. The clinical case we are observing and the literature data show how important it is collect to carefullythe anamnesis and conduct otorhinolaryngological examination before the procedure for taking an impression of the external auditory canal when selecting a hearing aid.