Demineralization can produce cavities or white spots on the surface of you...

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Demineralization can produce cavities or white spots on the surface of your teeth. Whether minerals are being leached from your enamel or it’s being strengthened (remineralization) depends on the environment of our mouth. The most important aspect of your mouth’s ecosystem is your saliva. Your saliva contains minerals that help strengthen your teeth while keeping your mouth less acidic. These minerals, mostly calcium and phosphorus, are constantly being exchanged on the surface of your teeth. Plus, your saliva helps keep your mouth in either a neutral or slightly alkaline state. If you’re healthy, your mouth should be slightly alkaline with a pH in the 7.5 to 8.5 range. This is the ideal environment for reminerali[z]ation. When there is sufficient saliva your teeth and mouth tissues are protected. You can chew, swallow and speak. Plus, you’re less likely to get an infection by bacteria, yeasts or viruses. This is why dry mouth (xerostomia) from mouth breathing when sleeping can affect the health of your teeth.