What is the target dose of fluoride that is beneficial for preventing tooth decay?

The target dose of fluoride that is considered beneficial for preventing tooth decay is within the range of 0.8mg/L - 1.0mg/L. This range has been established based on numerous studies and public health guidelines, focusing on maximizing the protective effects of fluoride while minimizing the risk of dental fluorosis, which can occur with excessive fluoride exposure.

Fluoride is effective in enhancing the remineralization process of teeth and reducing the incidence of cavities. In community water fluoridation programs, this specific range has been shown to strike a balance between providing adequate protection against decay and ensuring safety and health standards are maintained. As fluoride’s primary benefit is derived from its topical action on the teeth, this concentration can provide sufficient fluoride exposure for optimal dental health outcomes.

While other ranges may include lower fluoride concentrations, they are typically less effective in significantly reducing tooth decay. Therefore, the selection of 0.8mg/L - 1.0mg/L as the target dose reflects a consensus in the dental and public health community regarding effective fluoride concentration for oral health promotion.