1(1)-13(9)-22

WF 42 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

16-6=22

(1-1)-(13-8-4-0)-22

Separated file DB, not sure about length MB2 but consistent apex locator readings