Is it advisable to brush my teeth prior to the application of whitening trays? This query may seem straightforward, yet the answer could hold significant implications for the efficacy of the whitening process. When considering the mechanics of tooth whitening, one might ponder whether a clean slate—achieved through brushing—would optimize the absorption of the whitening agent or, conversely, if it could potentially lead to irritation or discomfort. What role does the removal of plaque and debris play in this scenario? Furthermore, could the condition of my oral hygiene influence the overall results? Should I be concerned about the ingredients in my toothpaste interfering with the whitening solution? Fluctuations in factors such as pH levels in my mouth may affect the outcome as well. Am I truly ready to embark on this cosmetic endeavor? Ultimately, these reflections compel one to consider a variety of dental nuances before proceeding. What should I do?