Which treatment is effective for managing dental hypersensitivity?

Fluoride varnish application is an effective treatment for managing dental hypersensitivity because it helps to remineralize and strengthen the enamel, thereby reducing sensitivity. When fluoride varnish is applied to exposed dentin surfaces or areas prone to sensitivity, it creates a protective barrier that can reduce the transmission of stimuli, such as temperature changes, to the nerve endings in the teeth. This treatment is particularly beneficial in cases where hypersensitivity stems from enamel erosion or gum recession.

In contrast, root canal therapy is a more invasive procedure that addresses issues related to tooth decay or infection rather than hypersensitivity. Composite filling replacement may be necessary for restoring damaged teeth but does not specifically target sensitivity issues. Teeth whitening procedures can sometimes exacerbate sensitivity rather than alleviate it, as the bleaching agents used can irritate the dental pulp and surrounding tissues. Therefore, fluoride varnish provides a targeted and non-invasive approach for managing dental hypersensitivity effectively.