Although the agreement or judgment amount of children's living expenses and education expenses has been paid, it does not prevent the children from making reasonable demands beyond the original agreement or judgment amount to either parent when necessary.

It's just that dental plastic surgery is not a necessary living medical expense, and the mother has no obligation to pay it. But as a mother, it is also possible to pay part or all of the cost of dental plastic surgery for the beauty of her daughter. Mother and daughter can negotiate.

Marriage Law

Article 37 After divorce, for the children raised by one party, the other party shall bear part or all of the necessary living expenses and education expenses, and the amount and duration of the expenses shall be agreed upon by both parties; If the agreement fails, the people's court shall make a judgment.

An agreement or judgment on the child's living expenses and education expenses shall not prevent the child from making a reasonable request to either parent for more than the original amount of the agreement or judgment when necessary.