title: A new high-efficiency earmould.
abstract: The problems associated with earmoulds currently used by hearing-impaired persons, particularly children, are outlined. A new type of earmould which combines high efficiency with minimal feedback is described and evaluated.
mesh_terms: D000180:Acrylic Resins; D002648:Child; D012048:Correction of Hearing Impairment; D005246:Feedback; D006310:Hearing Aids / Q000295:instrumentation*; D006801:Humans; D012828:Silicones
chemical_list: D000180:Acrylic Resins; D012828:Silicones