Oral phototherapy applicators are disclosed that are sized and shaped so as to fit at least partially in a user's mouth and have at least one radiation emitting element coupled to an apparatus body to irradiate a portion of the oral cavity with phototherapeutic radiation along multiple directions. In...http://www.google.se/patents/US7223281?utm_source=gb-gplus-sharePatent US7223281 - Multi-directional oral phototherapy applicator
