When you’re ready to decide on a brand, you should understand the basic components of each product. Most major brands of toothpaste include abrasive agents. Don’t worry about that label, though. Abrasive agents are usually helpful.
Abrasive agents are the ingredients that cause the scratchy sensation when you brush your teeth. They’re silicates like hydrated silica, calcium carbonate, and hydrated alumina. Some of these materials are the same as sand, which sounds weird, but the ingredients have a purpose. In combination with the brushing movement of your wrist, they’ll scrub away the bacteria and plaque. Conversely, the brushing motion wouldn’t sanitize your teeth without the silicates. Their purpose is to act as a cleaning agent.
The foam on your toothbrush comes from the detergent in the toothpaste. It works similarly to the products you use to clean your dishes and laundry. A detergent breaks down any undesirable substances. With your teeth, it’s loosening materials that aren’t soluble. The liquid in your mouth will dissolve any that is soluble, but you need help with anything that doesn’t respond to liquids.
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