If you’re tired of looking at yellowed, reddish-yellow, or grayish-colored teeth, you have three options for whitening your teeth. You may book professional teeth whitening in your dentist’s office, you may purchase a professional-grade take-home teeth whitening kit from your dentist, or you may use over-the-counter whitening products such as toothpaste or whitening strips. So, are all whitening treatments created …