Revision 2 · continuous canal joins

Upper first molar

Three roots · translucent tooth · red canal system

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Tooth opacity 17%

MicroPath in MB2

21 mm CAD stopper setting

File motion At working-length endpoint

Approved MB2 glide path · full apical endpoint · cusp-seated stopper

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Research-informed, non-to-scale illustration. The thicker file follows the approved path to its apical endpoint while the 21 mm CAD stopper seats at the cusp. Wall contact/overlap is permitted in this prescribed-path animation; it is not a physical fit or cutting simulation.

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