In the United States, fluoridated toothpastes make up 95% of the market. Also, there are flavored toothpastes marketed for children that tend to increase the amount used—presumably, this increases the ingestion of fluoride. In a study by Levy et al.,
preschoolers used a daily average of 0.81g of toothpaste flavored for children versus 0.66g of regular flavor toothpaste