
BPA may seep into saliva and urine after composite placement
Bisphenol A (BPA) is an organic compound used to produce drinking bottles and dental polymers. Now, researchers have found elevated salivary and urinary levels of BPA up to 30 hours after dental restoration, indicating that the chemical temporarily leaches into these body fluids after placement of resin-based . . . → Read More: New studies show BPA in composite resins

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