Toddler's milk before bed

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DS has recently been night weaned from breastfeeding at bedtime and is now having milk in a sippy cup.
I'm a bit concerned about his teeth now that it's cows milk not breast milk.
I was previously doing:
Bath-teeth-breastfeed-cot

So now:
Bath-teeth-sippy cup-cot

I'm wondering whether it should actually be:
Bath-sippy cup-teeth-cot for the sake of his teeth.

He doesn't fall asleep sucking, he usually takes some rocking/cuddling.

What does everyone else do? DS is 15 months.

Yes I’d ideally switch to milk before teeth brushing. We made the change in routine when she was 12 months and she has her milk before her bath with a story.

Yeah switch it round. We’ve always done bath, bottle, book, teeth, bed.

I didn’t swap it around and my sons teeth are fine