How to get in routine of...?

My 14-year old daughter has recently went to the dentist and told her to start brushing her teeth.
she does, but forgets easily
what is a good way to help her remember & get in routine of doing so?How to get in routine of...?
that's..
odd.
kids should brush their teeth regularly.
embarrass her or make a check list for in the mornings.
um. good luck
Why is she 14 and not in the routine of brushing her teeth regularly?
FIRST THING OUT OF BED/LAST THING BEFORE BED.
thats at least two times for sure.
good luck
make a calender of to do things as she does them mark them off daily