How to brush your teeth step-by-step instruction. Toothbrush and toothpaste for oral hygiene. Clean white tooth. Healthy lifestyle and dental care. Isolated flat vector illustration Shutterstock .eps vector - How to brush your teeth step-by-step instruction. Toothbrush and toothpaste for oral hygiene. Clean white tooth. Healthy lifestyle and dental care. Isolated flat vector illustration - ID: 1203229621