PMC7746471_01
Initial panoramic and periapical radiography of the periapical lesion of tooth #22.
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As well, unsatisfactory endodontic treatment of the same tooth was founded with signs of root perforation due to a previous treatment (Figure 1).
Initial CBCT images of the periapical lesion of tooth #22.
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The cone beam computed tomography (CBCT) scan was indicated to obtain an accurate diagnosis of the lesion and its relationship with the adjacent teeth and to confirm the presence of the root canal perforation (Figure 2).
The surgical intervention. (a) Surgical window; (b) apicoectomy; (c) after retroinstrumentation; (d) methylene blue application; (e) laser irradiation; (f) retrofilling with 5MO cement.
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Then, the root canal was retrofilled with 5MO bioceramic cement (SHAM Dentico, Oman) manipulated following the manufacturer's guidelines (Figure 3).
The surgical intervention. (a) Bone graft positioning and (b) membrane placement.
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Postoperative periapical radiography immediately after suturing, compared with the initial one.
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Products Co, Jiangsu, China). Postoperative periapical radiography was performed immediately after suturing (Figure 5).
CBCT images of the periapical lesion of tooth #22 after 12 months.
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In the second session (12 months later), the patient progression was evaluated by CBCT images and a bone neoformation was observed at the periapical area of tooth #22 (Figure 6).