In this paper we report the cases in which the ears were injured during an ear mold was being made, and a nationwide questionnairing was conducted at 395 medical institutes to find how the injuries are happened.
There were injury of the external ear, bleeding and inflammation of the external ear after making of an ear mold, and foreign bodies in the ear, such as an impression material.
According to the results of the questionnaire “injuries” were found in 12.4 percent. Bleeding of the external ear was reported from 11 hospitals. Particularly, the difficulty in removing the ear mold was occurred in the patients received radical mastoidectomy in many cases. Some patients received surgical treatment for removal of the foreign body.
These findings indicate that various injuries of the ear could occur during, before and after making of an ear mold and this fact is suggesting the danger involved in making the ear mold.
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