title: Unbelievable hype or documented science?
authors.forename: Robert H
authors.initials: RH
authors.lastname: Gregg
authors.forename: Delwin K
authors.initials: DK
authors.lastname: McCarthy
mesh_terms: D003813:Dentistry / Q000639:trends*; D006801:Humans; D053685:Laser Therapy / Q000639:trends; D017063:Outcome Assessment, Health Care; D010510:Periodontal Diseases / Q000601:surgery; D012107:Research Design