CBCT-Aided Microscopic and Ultrasonic Treatment for Upper or Middle Thirds Calcified Root Canals

<div>Case  3: (a1)–(a3) distobuccal canal managed by ultrasonic instrument before CBCT scanning (red arrow). (a2) Calcification of palatal canal (red arrow). (a3) Canal under calcification (red arrow). (b1)–(b3) Determination of depth in buccolingual direction and BLIA. (c1)–(c3) Determination of depth in mesiodistal direction and MDIA. (d) X-ray radiograph before operation. (e) Confirmation of working length. (f) Canals after filling and restoration.</div>

BioMed Research International

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Figure 4

Figure 4: CBCT-Aided Microscopic and Ultrasonic Treatment for Upper or Middle Thirds Calcified Root Canals 