Abstract
Microstomia is a marked reduction in the size of the oral opening. Various orthoses have been in use for the management of microstomia but they all suffer one or more deficiencies or drawbacks. This article describes the fabrication and use of a new appliance made from a low temperature thermoplastic material. It consists of two commissural portions, with a connecting U-shaped spring which offers a dynamic source of pressure. Alternatively, a bar made of outrigger wire can be used as a strut between the sides of the U-shaped spring to convert the appliance into a static pressure source. The device offers effective gradual horizontal and vertical pressure to the oral opening and is easily removable, adjustable, inexpensive, and simple to fabricate.
Published Version
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