Estate Law Questions? Ask an Estate Lawyer.
The house is not titled in her name. She has no ability to get it back unless you all deed it back, which is all within your control.
If your mom needs help you may wish to have a guardian appointed to care for her and make decisions for her, as the condition may also render her disabled and unable to make decisions at all.
Kindly let me know if that is clear. Tried to expedite for you.
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and if I may clarify anything at all, ask me.