Interesting, similar to a mortise and tenon construction.
The “teeth” is dark wood, same type as the crosspiece? I like the contrasting colors.
Did you do the rattan wrap around the crossguard?
Great looking sword. Congrats.
I took a look at mine but none have the dentures.
I have this, don’t know why it was constructed in this manner.

However I this manong from the Visayas that needs some of its teeth replaced.