Healing of Large Endodontic Lesions Using Long-Term Application of a New Combination of Triple Antibiotics: A Series of Cases

Figure 3

A mandibular right first molar with symptomatic apical periodontitis. (a) Diagnostic periapical radiography showing compromised previous endodontic treatment and a large periapical radiolucency around the mesial root. (b) In-treatment periapical radiography demonstrating conservative preparation of access cavity, removal of obturation materials, and proper cleaning and shaping of the mesial canals. (c) Immediate post-treatment radiography, revealing periapical lesion regression with clinical disappearance of pain and relative healing of the regional swelling. (d) Post-operative radiograph after 10 months of the initial treatment, exhibiting bone healing and progressive disappearance of the large periapical radiolucency.

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