Categories of this blog are

Tooth vital – tooth necrotic

# 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 1st
molar treated

MB2 distance from MB1 – join MB1

8-9=17

14-11-6-0-17

2mm or less and joined within the first 5mm from chamber floor.

Can see the MB2 just makes the access of MB root look a little wider is all.