Saliva also cleans the inside of your mouth and rinses your teeth to help keep them clean. (But remember that spit isn't enough to keep teeth in tip-top shape; you still need to brush and floss!) The enzymes in saliva also help to fight off infections in the mouth.
(Pero recuerda que la saliva no es suficiente para mantener tus dientes en perfecta forma; ¡aún necesitas cepillártelos y pasarles hilo dental!). Las enzimas de la saliva también ayudan a combatir las infecciones de la boca.