case_images: PMC9868992_01
case_images: A) Clinical view; B) Periapical radiograph, anterior teeth with attrition and partial calcifications in the root canal system
case_images: IEJ-17-216-g001.jpg
case_images: PMC9868992_01_IEJ-17-216-g001.jpg
case_images: F1
case_images: On clinical examination, the patient was asymptomatic with no pain on percussion or sinus tract (Figure 1A). Radiographic examination revealed partial canal obliteration of anterior teeth (Figure 1B).
case_images: Designing the template
case_images: IEJ-17-216-g002.jpg
case_images: PMC9868992_01_IEJ-17-216-g002.jpg
case_images: F2
case_images: Denmark), which is originally used to design implant guides. During the planning phase, a path was specifically designed for size 1 Munce Discovery bur (CJM Engineering, Santa Barbara, CA, USA) by means of incorporating the size of the bur into the template (Figure 2).
case_images: A) Presence of 2 canals in tooth #26; B) Post-obturation radiograph; C, D) Magnified view of the drill point (note the difference between the site of guided entry and the presumed site of root canal orifice)
case_images: IEJ-17-216-g003.jpg
case_images: PMC9868992_01_IEJ-17-216-g003.jpg
case_images: F3
case_images: Dentsply Sirona, Ballaigues, Switzerland) and confirmed radiographically (Figure 3A). During the procedure, the canals were irrigated with 25 mL of 5% NaOCl (Cerkamed, Stalowa Wola, Poland), and patency was checked in-between instrumentation. Paul, MN, USA), and the patient was referred to the prosthodontics department to further complete the restorative treatment (Figure 3B).