Guzzi, Gianpaolo Re: Removal of an amalgam tattoo using a subepithelial connective tissue graft and laser deepithelialization. [electronic resource] - Journal of periodontology Dec 2009 - 1909-10; author reply 1910 p. digital Publication Type: Comment; Letter ISSN: 1943-3670 Standard No.: 10.1902/jop.2009.090434 doi Subjects--Topical Terms: Dental Amalgam--adverse effectsGingival Diseases--surgeryGingivoplasty--methodsHumansLaser Therapy--adverse effectsLasers, Solid-State--therapeutic useMercury--adverse effectsPigmentation Disorders--surgeryRisk Factors