Publicação: Histopathological observations of periapical repair in teeth with radiolucent areas submitted to two different methods of root canal treatment
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Williams & Wilkins
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Dogs' teeth with induced chronic periapical periodontitis were treated endodontically by two different methods, and the results were compared. A total of 40 root canals from the upper and lower premolars of two dogs were prepared chemomechanically. In method 1, a high-concentration (5.25%) hypochlorite solution was used during the instrumentation of the root canal, and an antibacterial dressing was applied between sessions, followed by filling of the root canal. In method 2, a low-concentration (0.5%) sodium hypochlorite solution was used as an adjunct to mechanical debridement, and the root canal was filled during the same session. The histopathological results showed that method 1 led to better periapical repair than method 2.
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Journal of Endodontics. Baltimore: Williams & Wilkins, v. 21, n. 3, p. 137-141, 1995.
