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Fluoride Levels and The Goldilocks Rule

Running Water on a Toothbrush

The best rule for fluoride is: Not too much. Not too little.

Ever since the first American city began to manage fluoride levels in its water supply, there’s been plenty of misinformation floating around regarding the potential benefits and dangers of this substance.

In a nutshell, fluoride has been shown to help protect against tooth decay. It also exists naturally in most water supplies. When communities fluoridated their water, they weren’t necessarily adding it; they were adjusting the dose to the best level. That’s why, when it comes to fluoride intake (in water, toothpaste, or tooth varnishes) it pays to apply the Goldilocks Rule:

Not too much. Not too little. Regulate the dose to be juuuuuuuust right.

Infants and young children who drink bottled water instead of fluoridated tap water may be underdosed. Studies have indicated that decades of exposure to excessively high levels of fluoride may affect bone mineral density in older adults.

If you’re concerned about fluoride levels, ask us about it at your next appointment. We’d be happy to supply some guidelines!

About Yuri Kaneda, DDS

Dr. Yuri Kaneda was born in Japan and immigrated to the US when she was 4 years old with her family. She lived in Ohio, Nebraska, and Illinois before finally settling in the San Diego area. A graduate of Bonita Vista High School, she went on to the University of California Berkeley where she obtained her Bachelors in Microbiology and Immunology. After working for 2 years in growth plate research at University of California San Diego, she went to the University of California San Francisco Dental School for her Doctor of Dental Surgery degree. Upon graduation, she returned to San Diego where she worked as an associate in the practice of Drs. Morimoto and Yaryan, her childhood dentist. She then started her own practice in 1995 and has been at her present location since 1999 which happens to be across the street from her high school!

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