Cervical root resorption following bleaching of endodontically treated teeth.
One year following root canal treatment and internal etching and bleaching of anterior teeth in dogs, the animals were sacrificed and the teeth prepared for stereomicroscopic or light microscopic examination. Evidence of cervical root resorption and ankylosis was noted on several teeth. The bleaching factors associated with the teeth exhibiting resorption were heat with 30% hydrogen peroxide. Resorption was not related to walking bleach or to internal etching alone.
Madison
S
S
University of North Carolina School of Dentistry, Chapel Hill.
Walton
R
R
D000134:Acid Etching, Dental; D000818:Animals; D003804:Dentin; D004285:Dogs; D006861:Hydrogen Peroxide / Q000009:adverse effects; D012390:Root Canal Therapy; D012391:Root Resorption / Q000209:etiology*; D014073:Tooth Bleaching / Q000009:adverse effects*
D006861:Hydrogen Peroxide