al-Nazhan, S External root resorption after bleaching: a case report. [electronic resource] - Oral surgery, oral medicine, and oral pathology Nov 1991 - 607-9 p. digital Publication Type: Case Reports; Journal Article ISSN: 0030-4220 Standard No.: 10.1016/0030-4220(91)90501-3 doi Subjects--Topical Terms: AdultFemaleHumansHydrogen Peroxide--adverse effectsPeriodontal Pocket--complicationsRadiographyRoot Canal Therapy--methodsRoot Resorption--chemically inducedTooth Bleaching--adverse effects