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A case is presented of soft tissue damage resulting from inadvertent injection of sodium hypochlorite through a perforation created during root canal treatment of a mandibular incisor. The importance of access cavity design to help avoid such complications is highlighted and the anatomy of the mandibular incisor is discussed. Measures to minimize the risk of a hypochlorite accident and its potentially serious complications are proposed.
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Doherty et al. (2009) studied this question.
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