Will thumbpulling & pallet widening work with nighttime retainers? If not what should I do?

[Dawn_]

I use nighttime retainers every day and I want to know if it will cancel the effects of pallet widening and thumbpulling, if it does, are there any ways to get around it?

 

[mrnut]

mse

 

[Dawn_]

mse

What does that mean

 

[mrnut]

mse palate expander

What does that mean