TheCochraneOralHealthGroup(OHG)isaCollaborativeReviewGroup(CRG)re‐sponsibleforpreparingandmaintain Oralhealthisbroadlyconceivedtoin,treatmentandrehabilitationororal。Dentalandcraniofacialdiseasesand AlexiaAntczak‐BouckomsinitiallysetuptheOHGinNe(USA)in1994 ......