Access extension is important to discover previously ignored cracks and find missed canals during retreatment
Case: Patient presented with a recurrent abscess and a missed canal during previous root canal treatment
Patient: 61-year-old male in excellent health
Chief Complaint: asymptomatic (2006)
Dental History: The patient’s former dentist performed the initial root canal treatment in 2001 (he had claimed to treat it with a laser) and the patient’s new dentist referred the patient for endodontic examination before the construction of a new crown in 2006.
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