How often should I whiten my teeth? This query, while seemingly straightforward, unfurls a multitude of considerations that might influence the optimal frequency for dental whitening. Is there a universally accepted standard, or does it vary based on individual circumstances? For instance, could factors such as the type of whitening product, the current shade of one’s teeth, and even dietary habits significantly alter the recommended intervals for whitening sessions? Furthermore, how do professional treatments compare to at-home kits in terms of efficacy and safety, and do they bear any influence on the duration between whitening endeavors? Might those who consume staining substances like coffee or red wine require more frequent touch-ups? Additionally, is there a threshold beyond which too much whitening could compromise the integrity of enamel, leading to sensitivity or other dental issues? Ultimately, what is the prudent approach to achieving a radiant smile without jeopardizing oral health?