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Article
January 1956

ACRYLIC SEAL

AMA Arch Otolaryngol. 1956;63(1):96. doi:10.1001/archotol.1956.03830070098013
Abstract

I should like to make known to otologists a successful method of protecting ears, either with perforated drums or with healed postoperative cavities, from the entry of water in swimming. A cast of the outer auricle and external portion of the canal is made in the manner of a flexible plastic covering, using the technique followed in making dentures.

An impression of the entire ear is taken with a colloid material. This material, being elastic, will take an accurate impression of all the undercuts in the auricle as well as the outer portion of the external auditory canal. A model is then poured and a semisoft acrylic cast is formed. When finished, this will lock into place and be a self-retentive complete seal. It has been used satisfactorily by a number of postoperative cases, including a physician.

31 Lincoln Park (2).

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