Ricardo, Lucilene H., Ivan Balducci, Luana M. R. Vasconcelos, and Yasmin R. Carvalho. 2010. “Periodontal Healing After Root Conditioning Using TTC-HCI or Citric Acid:”. Brazilian Dental Science 9 (2). São José dos Campos, Brazil. https://doi.org/10.14295/bds.2006.v9i2.513.