1 https://www.healthline.com/nutrition/whiten-teeth-naturally#2.-Brush-with-baking-soda
2 https://pubmed.ncbi.nlm.nih.gov/22403983/
3 https://www.healthline.com/nutrition/whiten-teeth-naturally#2.-Brush-with-baking-soda
4 https://www.healthline.com/health/baking-soda-toothpaste#how-to-use
5 https://www.bhandaldentistry.co.uk/news/teeth-whitening-baking-soda#:~:text=Baking%20soda%20will%20generally%20need,two%20minutes%20at%20a%20time.
6 https://food.ndtv.com/beauty/brushing-your-teeth-with-baking-soda-is-it-safe-or-not-1663948
7 https://www.healthline.com/health/baking-soda-toothpaste#how-to-use
8 https://www.healthline.com/nutrition/whiten-teeth-naturally#1.-Practice-oil-pulling