How about your toothbrush, that thing with hundreds of thin plastic bristles that wears down as you abraid it across your teeth? 

 Oil pulling can work. Sometimes. Do they make hemp toothbrushes? 🪥  

 Hemp toothbrushes 🪥 must be a thing already since below 👇 
https://nostrcheck.me/media/2aadfb8ac7d43aca6d164ed99248147910048269601ff60d4463c4d5b3abfdcd/a52cd3ded06698ecd6c3f828e6a3cfc11b949fa92da892ea62bbe9620f7d1a50.webp