Dear Dr. Reitz: My 22-year-old daughter frequently gets oral ulcers. The ulcers, also called canker sores, occur in different areas of her mouth, last for about 10 days then are gone for a few months ...

Canker sores are vexing and common. The reason they occur isn’t clear, but your toothpaste could be a factor. An ingredient often used to make toothpaste foamy, sodium lauryl sulfate (SLS), has been ...

SLS in toothpaste is a chemical compound also known as sodium lauryl sulphate. It is a key ingredient that is found in most toothpastes. It helps make that to the toothpaste thicken while removing ...

Q: Regarding SLS-free toothpaste, the Tom’s of Maine I recently bought does contain this substance. My chief complaint is dry lips. This means I’m constantly using lip gloss. Biotene toothpaste is the ...

Q: I was troubled with recurrent canker sores for a while. The only thing that had changed was my toothpaste. I wanted whiter teeth, so I was using whitening toothpastes. I got canker sores when there ...

A dentist has warned that a particular type of toothpaste could be damaging people's oral health. Dr Ferakh Hamid said it could be leading to symptoms such as ulcers and allergic reactions. Dr Hamid, ...

The American Dental Association is the leading authority on dentistry in the U.S., which is why Dr. Lana Rozenberg, a dentist at Rozenberg Dental NYC, says, “When in doubt, let ADA steer you in the ...

NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. Using toothpaste made with fluoride is the key to ...