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  Indian J Med Microbiol
 

Figure 5: (a) A photograph of a double‑rooted maxillary primary molar. (b) Cautious apical extension via a small tapered diamond bur (or a small ultrasonic tip) in the groove between the orifices of the fused distobuccal and palatal roots is recommended to exclude the occurrence of a third canal in the isthmus

Figure 5: (a) A photograph of a double‑rooted maxillary primary molar. (b) Cautious apical extension via a small tapered diamond bur (or a small ultrasonic tip) in the groove between the orifices of the fused distobuccal and palatal roots is recommended to exclude the occurrence of a third canal in the isthmus