Tooth fact: prolonged or intensive use of teeth whitening products can weaken your teeth and make them feel extra sensitive. This happened to me after using 3D whitening toothpaste for a while and it Does Not Feel Good. I strongly advise against it.
Bonus fact: the idea of white teeth indicating dental hygiene is a very common misconception, mostly perpetuated by cinema/TV and pesky capitalism. While you should get any abnormal discoloration checked out by a dentist, most generic off-white teeth are simply due to genetics and age.














