Dental experts agree that these branches can clean teeth, some U.S. pharmacies have started selling this African toothbrush, dental care, as a kind of natural products.

• 牙医专家也承认，这些树枝可以清洁牙齿，美国的一些药店已经开始出售这种非洲牙刷，作为牙齿护理的一种天然用品。