WM 76 Tooth vital- tooth necrotic (Any canal necrotic then tooth considered necrotic)# (teeth with MB3 present- able to cleanse and shape the MB3) – (teeth with MB2 present- able to cleanse and shape the MB2 – MB2 join MB1 – teeth I consider calcified that no MB2 was found) – total # of 2nd

MB2 distance from MB1 – join MB1

17-6=23

(1-1)-(14-10-5-0)-23

ER

Mb1 and Mb2 very close together and join about 5-6mm into canal with isthmus throughout