Anterior Teeth Fluorosis: Insights and Concepts about Prevalence, Pathogenesis, Diagnosis, and Prevention

Dental fluorosis is a developmental disturbance of enamel caused by excessive fluoride intake during tooth formation, particularly between the ages of 20 to 36 months. This condition manifests primarily as aesthetic alterations, especially in anterior teeth, ranging from mild white striations to severe brown stains and enamel pitting. Fluoride, found naturally in water and various food sources, becomes harmful when ingested in excess, particularly in regions with high natural fluoride levels, such as parts of Pakistan. The severity of dental fluorosis depends on several factors, including fluoride concentration, duration of exposure, nutritional status, and genetic predisposition. The pathophysiology involves disrupted ameloblast function and altered calcium signaling, often resulting in porous, hypo-mineralized enamel. Despite fluoride’s well-documented benefits in caries prevention, its excessive intake has been epidemiologically linked to increased fluorosis prevalence. Accurate diagnosis involves clinical examination and consideration of systemic fluoride history. Preventive strategies include controlling fluoride exposure in early childhood, particularly through safe water consumption and appropriate use of fluoridated products. Current treatment is largely aesthetic, involving procedures like micro-abrasion and bleaching. Future research is needed to further understand the molecular mechanisms of fluorosis and explore novel prevention and therapeutic approaches.