Orofacial dysfunction in children with Down syndrome Palatal plate therapy was developed and introduced by CastilloMorales  in Munich, Germany in 1978. Children with Down syndrome have common orofacial features consisting of orofacial hypotonicity, a protruding tongue, and an open mouth posture. This results in problems with sucking, swallowing, drooling and dentition. Dr. Di Giorgio has […]