A 30/.06 Gutta Percha is inserted at 18.5 mm (Fig.14 vs. 30/.06 file at 19 mm, 15 file at 20 mm last visit).  Fig.15 is the final PA after closure of the access with composite (Fig.15). 

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Xin Wei, DDS, PhD, MS 1st edition 10/04/2019, last revision 10/04/2019