Original sentence: Centers for Disease Control has identified community water fluoridation as one of ten great public health achievements of the 20th century.The CDC also advises parents to monitor use of fluoride toothpaste, and use of water with fluoride concentrations above 2 mg/L, in children up to age 8.The CDC recommends water fluoridation at a level of 0.7–1.2 mg/L, depending on climate.The U
Edited sentence: " The CDC states that water fluoridation is safe at a level of (0.7 mg/L-1.2 mg/L).The CDC also advises avoiding water with fluoride concentrations of 2mg/L or higher for children up to age 8.The United States Centers for Disease Control proclaims, "Community water fluoridation is safe and effective in preventing tooth decay, and has been identified by CDC as one of 10 great public health achievements of the 20th century