Unusual Maxillary First Molars with C-Shaped Morphology on the Same Patient: Variation in Root Canal Anatomy

<div>(a) First case: the canal portion between the buccal and the palatal poles was shaped using a bended sonofile #15 K. (b) Second case: the isthmus between P and D canals was shaped using a bended sonofile #15 K.</div>

Case Reports in Dentistry

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Figure 7

Figure 7: Unusual Maxillary First Molars with C-Shaped Morphology on the Same Patient: Variation in Root Canal Anatomy 