[Oral healthcare for the persons with special needs.].

The field of special care dentistry is rapidly gaining recognition as a service that should be provided to the persons with physical, mental or intellectual disabilities by general practitioner, pediatric or geriatric dentists as well as dental hygienists. Because the oral healthcare and dental treatments are given in the narrow space of oral cavity and also accompanying technical difficulties with high risk of injury, the special needs patients are treated under being controlled their behavior or body motion by applying psychological, physical or pharmacological techniques. Those persons also manifest specific oral signs and symptoms such as dental caries, periodontal diseases as well as high incidence of dental hypoplasia, oro-facial trauma or drug-induced gingival overgrowth. The children with developmental disorders especially such as autism spectrum disorder(ASD), attention-deficit/hyperactivity disorder(AD/HD), or specific learning disorder(LD), and those with medical care needs at all times are also increasing relatively in Japan with declining birthrate. Those children have specific dental problems and require the special oral healthcare. This article presents the current status of oral healthcare for the persons with special needs.