What are the patient instructions after fluoride varnish application?

After the application of fluoride varnish, it is important to provide the patient with specific instructions to maximize the treatment's effectiveness. The correct instruction involves not brushing or flossing for 4-6 hours following the application. This allows the fluoride to fully absorb into the enamel and provides optimal protection against cavities.

Fluoride varnish works by creating a concentrated source of fluoride in the mouth, and brushing or flossing too soon can remove this varnish before it has a chance to bond properly with the teeth. Therefore, advising patients to avoid these activities for the recommended time frame ensures the varnish has enough time to set and work effectively on their dental enamel.

Other options might contain useful information related to post-treatment care, but they don't align with the specific need to avoid brushing and flossing immediately after treatment. This distinction highlights the importance of following proper aftercare instructions to maintain the benefits of fluoride application.