Radiographic and Clinical Findings of Single-Visit Root Canal Treatments with Apical Enlargement in Necrotic Teeth: A Retrospective Cohort Study

Figure 1

Radiographic evaluation of different teeth before and after the treatment: (a) right mandibular second molar tooth, preoperative radiograph; (b) right mandibular second molar tooth, after the treatment; (c) right mandibular second molar tooth, a 68-month follow-up; (d) right mandibular first molar tooth, preoperative radiograph; (e) right mandibular first molar tooth, after the treatment; (f) right mandibular first molar tooth, a 50-month follow-up.

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