Conservative RCT of Tooth #35 with Asymptomatic Apical Periodontitis — 15-Month Follow-Up

Clinical Presentation A patient presented for routine dental evaluation. Clinical examination of tooth #35 (mandibular left second premolar) revealed no spontaneous pain, no tenderness to percussion, and no associated swelling. Pulp sensitivity testing confirmed non-vitality. Periapical radiography demonstrated a well-defined radiolucent lesion at the apex, consistent with a diagnosis of asymptomatic apical periodontitis . The tooth was deemed a suitable candidate for conservative, non-surgical root canal treatment. Diagnosis: Asymptomatic Apical Periodontitis — Tooth #35. Periapical lesion confirmed radiographically. No clinical signs of acute inflammation. Pre-operative radiograph — periapical radiolucency visible at the apex of tooth #35. Treatment Protocol Root canal treatment was performed under rubber dam isolation following local anesthesia. Access cavity preparation was carried out conservatively, with emphasis on…