BPA-Free Teethers Might Not Be So BPA-Free

Posted on Wednesday, January 11th, 2017

If you have a teething child, this isn’t exactly the news you’d like to start the year with: A study in the journal Environmental Science & Technology reports that all tested plastic teethers contained BPA and other endocrine–disruptors that leached at low levels. Such compounds interfere with hormones and can cause developmental, reproductive, and neurological […]


BPA, Dental Sealants, & Some Twisty Logic

Posted on Wednesday, August 10th, 2016

It’s time for another round of Follow the Logic. Last week, the ADA proclaimed that “BPA in dental sealants [is] safe.” The evidence? Research just published in the ADA Professional Product Review, which tested BPA release from 12 sealants used by dentists in the US. The analysis indicated that the BPA release from dental sealants […]


KTH Flashback: BPA in Dentistry: Safety & Risks

Posted on Wednesday, October 14th, 2015

Originally posted January 20, 2015 Anymore, the terms “BPA” and “avoid” go hand in hand. Unfortunately, BPA and related compounds turn up in a lot of dental composite – the type of material used to make tooth-colored fillings and a major alternative to mercury amalgam. (Porcelain and other ceramics are other options.) A conscientious biological […]


BPA in Dentistry: Safety & Risks

Posted on Tuesday, January 20th, 2015

Anymore, the terms “BPA” and “avoid” go hand in hand. Unfortunately, BPA and related compounds turn up in a lot of dental composite – the type of material used to make tooth-colored fillings and a major alternative to mercury amalgam. (Porcelain and other ceramics are other options.) A conscientious biological dentist will make every effort […]


Yet Another Downside to BPA-Laced Sealants

Posted on Friday, June 28th, 2013

Sealants are done by placing a thin layer of composite as a protective coating for tooth enamel – for once it’s damaged, enamel cannot grow back. In fact, it’s the only tissue in your body that can’t regenerate itself. (You can remineralize the dentin it protects, but once enamel is gone, it’s gone.) Unfortunately, composite […]


First, Do No Harm…

Posted on Monday, August 27th, 2012

From time to time, we invoke the phrase “first, do no harm,” commonly attributed to the Hippocratic Oath. But if you want to get strict about such things, this isn’t really accurate. In fact, nothing like the phrase occurs in the modern version, though the classical includes a promise to keep “the sick” from “harm […]


Strange Faith (or Mercury vs. BPA?, Part 2)

Posted on Friday, July 20th, 2012

Two years ago, Pediatrics published a study on “Bisphenol A and Related Compounds in Dental Materials,” which confirmed that some sealants and composite (white) fillings release BPA. Here’s what one pediatric dentist and dental professor had to say about it at the time: People shouldn’t be scared by this….The amount of exposure is extremely low. […]


The Oral-Systemic Connection, & Other News of Note

Posted on Friday, January 6th, 2012

Can Poor Dental Health Lead to Pneumonia? (Dental Education Blog) Yale University says so. The oral systemic health study, presented this past October at the Infectious Diseases Society of America annual meeting in Boston, was headed by Dr. Samit Joshi of Yale University School of Medicine. Researchers found changes in bacteria in the mouth preceded […]


Protein (Not Sugar) for Energy, & Other News of Note

Posted on Monday, December 5th, 2011

Mid-Afternoon Slump? Why a Sugar Rush May Not Be the Answer (ScienceDaily) A new study has found that protein and not sugar activates the cells responsible for keeping us awake and burning calories. The research, published in the Nov. 17 issue of the scientific journal Neuron, has implications for understanding obesity and sleep disorders. Wakefulness […]


Roundup Linked to Birth Defects, & Other News of Note

Posted on Monday, June 13th, 2011

It’s Official: Monsanto’s Roundup Herbicide Causes Birth Defects (Red, Green & Blue) A new report by some top scientists has nailed it down, and Monsanto isn’t going to be happy. The Agri-giant has built its entire business model, including genetically modified (GMO) crops that dominate the US market, around its Roundup brand herbicide. The last […]



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