Objective: To evaluate the effect of a calcium nanocompound on the reduction of erosive ... a scanning speed of 2 m / s and a refractive index of 10,000. 3D profilometry images were also taken to ...

1 The specific aspect of these lesions is due to an optical phenomenon, as demineralisation process causes an increase in the pore volume and the refractive index (RI ... acids capable of dissolving ...

IN the issue of NATURE for February 2, Mr. A. Mallock requests information on styrax. I am able to supply the following information: The styrax best suited for the mounting of diatoms is obtained ...

A Pennsylvania lawmaker is proposing a bill to ban fluoride from public drinking water, following Utah's lead. Dental groups oppose the ban, emphasizing fluoride's role in preventing cavities and ...

If you’re popping calcium pills randomly—say, with your morning breakfast or post-dinner supper—you might be doing it all wrong. That innocent white tablet you take to "protect your bones ...

MAGA is now going after fluoride in toothpaste in an extension of Health Secretary Robert F. Kennedy Jr.‘s long-running campaign against the mineral in drinking water. On Thursday, Texas ...

It also adds consumer protections and establishes the Florida Aquaculture Foundation, but the removal of fluoride from local water supplies has gotten most of the attention. The law goes into ...

U.S. health regulators announced they are beginning to remove ingestible fluoride supplements for children from the market, the latest move by Health and Human Services Secretary Robert F.

It also adds consumer protections and establishes the Florida Aquaculture Foundation, but the removal of fluoride from local water supplies has gotten most of the attention. The law goes into effect ...