Breastfeeding with teeth

Ri

This is my second time breastfeeding but with my first I only ended up breastfeeding for 2 months. This time around my LO is 13 weeks and my goal was to breastfeed until she had her first tooth come in but now I kind of want to breastfeed for a year. Is there anything I should know or anything I can do so it wont hurt when she does get her teeth?