Tuesday, October 7, 2014

Why Food Tastes Funny After Brushing Your Teeth

If you or your child ever wondered why everything tastes pretty awful after brushing your teeth in the morning, here's the answer!

There is a chemical added to toothpaste that makes it foamy, assisting in spreading around your mouth more easily. The chemical is called sodium laureth sulfate which goes by multiple names including sodium lauryl ether sulfate (SLES), as well as sodium lauryl sulfate (SLS). You can thank SLS for ruining your morning glass of orange juice. 

These chemicals are called surfactants . A wetting agent that helps to reduce the tension of a liquid, in this case the toothpaste. This is how you're able to get so much out of that little bit on your brush. Beyond creating the foam effect in your mouth, SLS and SLES also affects your taste buds in two ways;
  • Suppresses the receptors that perceive sweetness which makes it more difficult for us to pick up any sweet tastes in anything we eat or drink afterward.
  • Breaks up the phospholipids on our tongue. These are fatty molecules that inhibit the receptors for bitterness not allowing us to be overwhelmed by foods that are very bitter, but after you brush, the bitter taste is enhanced.
We know that the side effects are temporary but if the little one doesn't like it, there are alternative options. Opt for toothpastes that are SLES/SLS free, but make sure they contain fluoride as that is essential for healthy teeth.

Contact Woodbridge Kids Dentistry today for a check up on your child's teeth to ensure optimal health!


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