For someone (patient ma-) to be without teeth, of one whose teeth have been removed through age, an accident, diseased gums.
1b
A plant, Hypericum japonicum [Gutt.].
Chewed by one with loose teeth to further loosen them for easy extraction.
1c
For leaves of a hypericum plant (actor -um- & inst) to loosen someone's teeth (patient -on) for extraction.
2
For someone (agent muɴ-; s agent maN-) to remove the teeth of a saw (theme -on) with a file (inst i-, paN-) by filing them down before filing in new teeth. This is done to a saw with broken and uneven teeth.