It really depends on your opponent because bury time is affected by how fast/ whether or not they shake out.
For example, dtilt does 12% and will never whiff a short character making it a good option most of the time. However it hits on frame 10 meaning at lower percents or against extreme mashing it'll whiff.
So what if they always mash or their percent is too low for a tilt or smash?
Just wait and jab them on their exit. With good timing you can ground them again, or set up a really nasty trap. If nothing else you can just take the 8% and free up some slots on your stale moves list so that more common moves like SS and ftilt get renewed. Following after with uair or nair is never a bad option either.
Mashing can also put opponents right in the path of smash attack setups as the time they're buried is something like [% - mashing amount = time buried] so if you know how hard they're mashing, you can predict when they'll pop out for some unburdened fsmash or usmash knockback.
Now what if they don't mash, or their percent is just too high to do anything about it?
Well at lower percents ftilt can hit twice at 8-9% fresh. That's much better than the singular dtilt. Jabbing continuously here isn't a bad idea either. Let's also not forget that header cancelling can nearly double your damage.
Once damage gets particularly high she also start popping opponents out of bury before they can break out.
This means things like utilt become really nasty traps into kill moves.
Reverse ftilt becomes a much easier move to combo into and a kill setup.
Nair once again becomes a killsetup. This time both the soft and hard hit of nair being prevalent.
Reverse jab sets up tech chases which can lead to even more kill setups.
So really it's not that simple. Pay attention to your opponent and look to maximize your reward everytime and you can bury the competi- *shot*
