A: There are many reasons for your teeth to turn yellow. As your dentist, I can assure you that yellowing teeth is not always a sign of a serious medical condition. The best way to get your white smile back is to look at potential causes and limit your exposure to them.1- Smoking and tobacco use cause your teeth to stain and darken with time.2- Oral hygiene - not brushing and flossing can catalyze the discoloration process.3- Prescriptions such as antibiotics, doxycycline, monocycline, and high blood pressure medications can have a darkening effect on your teeth.4- It could be an inherited gene.5- Foods and drinks containing dark pigments can cause the teeth to darken. Grapes, blueberries, coffee, and cola contain these pigments.6- Aging can also cause the teeth to yellow.If you notice your teeth are more yellow than you’d like, you can resolve the issue by booking an appointment now! We offer many options to achieve a healthier whiter smile!