It looks to be decent at helping sensitive teeth, but not so much for cavities: https://aap.onlinelibrary.wiley.com/doi/abs/10.1902/jop.2010.100056 https://aap

It looks to be decent at helping sensitive teeth, but not so much for cavities: https://aap.onlinelibrary.wiley.com/doi/abs/10.1902/jop.2010.100056 https://aap.onlinelibrary.wiley.com/doi/abs/10.1902/jop.2010... https://www.karger.com/Article/Abstract/453622 https://www.karger.com/Article/Abstract/453622