Since the addon works well, I post it in this section.
This addons allows you to make booleans with dyntopo objects.
You can also manage your dyntopo sculpt with it, add a smooth, change the detail size with auto detail flood fill etc.
You have a lot of possibilities and the addon is compatible with carver, box cutter, Speedflow etc.
You can prepare an asset for dyntopo.
You can prepare several assets.
You can combine all of them in one time and make a smooth after if you want.
You can make symmetrize in object and sculpt mode.
You can also create dirrectly the boolean with the options you want.
You can use carver, box cutter, Speedflow etc.
As you can see, this is really usefull ^^
The addon is free, if you want to make a donation, you can use my paypal account paypal.me/pitiwazou
Have fun and tell me if you have any issue, the addon is still in developement.