This article is a part of our Q&A series in which we give detailed answers to our readers' questions. Have a question? Don't hesitate and send it to us to get a detailed answer! Having yellow teeth despite trying various whitening methods can be frustrating. This comprehensive guide aims to explain why teeth might still appear yellow after whitening and what steps can be taken to address this issue. Understanding Teeth Coloration Before diving into solutions, it’s essential to understand what might cause the teeth to be yellow and how whitening works: Enamel and Dentin: The outer layer of teeth, enamel, is translucent. The layer beneath it, dentin, is naturally…