The precise etiology of internal resorption is unknown but it is generally believed that triggering factors are infection and persistent chronic pulpitis. A case is presented with internal resorption, which developed subsequent to extrusion of iodoform paste from the adjacent tooth into the mandibular canal. According to clinical and radiographic examinations made after 7 years, the tooth was clinically asymptomatic, vital and the internal resorption was arrested without treatment.
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Çallşkan et al. (1993) studied this question.
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