: The Centers for Disease Control and Prevention (CDC) considers water fluoridation one of the 10 greatest public health achievements of the 20th century.

Fluoride is a naturally occurring mineral found in soil, water, and rocks that is widely used to prevent tooth decay . It works by strengthening tooth enamel through a process called , which replaces lost minerals and makes the tooth surface more resistant to acid attacks from bacteria. Key Benefits & Sources

: Community water fluoridation is credited with reducing tooth decay by approximately 25% in both children and adults.

: Most people receive fluoride through fluoridated tap water , fluoride-containing toothpaste, mouth rinses, and professional treatments like gels or varnishes at a dentist's office . Safety and Considerations Text Alternative for “Fluoride Fast Facts” Infographic