OPA Inc, Boca Raton, Fla, offers the Orthopedic Pressure Appliance (OPA), designed to help correct overbites early. Made to control vertical and anterio-posterior facial and dental change, the OPA is prefabricated in four sizes. It requires o impressions, and, according to the company, prevents development of excessive lower facial height and vertical maxillary excess. The OPA can be used prior to or with fixed appliances.

For more information, contact OPA at (561) 901-0022.