What is the primary purpose of fluoride varnishes in dentistry?

Fluoride varnishes are primarily used in dentistry to remineralize enamel. This process involves the application of fluoride to the teeth, which helps to restore minerals lost due to demineralization from acids produced by bacteria in dental plaque. The fluoride enhances the development of fluoride-rich mineral compounds in the enamel structure, making it more resistant to future acid attacks.

By strengthening the enamel, fluoride varnishes play a crucial role in preventing dental decay and ensuring overall oral health. This treatment is particularly beneficial for patients at higher risk for tooth decay, such as children and individuals with reduced salivary flow. The use of fluoride varnishes should be a regular part of preventive dental care, contributing significantly to the maintenance of strong, healthy teeth.