¿Porque tengo sarro si me lavo los dientes? The truth
It's incredibly frustrating to look in the mirror and realize you're asking yourself porque tengo sarro si me lavo los dientes despite your best efforts to keep things clean. You might be brushing twice a day, using a fancy electric toothbrush, and even rinsing with mouthwash, yet that hard, yellowish buildup still finds a way to take up residence on your bottom teeth. ...