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Researchers with the OHSU School of Dentistry in Portland, Ore., have created a filling material that's two times more resistant to breakage than standard fillings. The new filling uses the additive thiourethane, which is also in protective coatings for cars and decks. The study was published in the journal Scientific Reports.
They have also has developed an adhesive that is 30 percent stronger after six months in use than adhesives that are currently used to keep fillings in place. This new adhesive was described in a recent study published in the journal Dental Materials.
Polymer Adhesive
The new adhesive and the composite when combined are designed to make longer-lasting dental restorations. "Today's dental restorations typically only last seven to 10 years before they fail," said Carmem Pfeifer, D.D.S., Ph.D., corresponding author of the studies and an associate professor of restorative dentistry - biomaterials and biomechanics - in the OHSU School of Dentistry. "They crack under the pressure of chewing, or have gaps form between the filling and the tooth, which allow bacteria to seep in and a new cavity to form," Pfeifer said.
"Every time this happens, the tooth under the restorations becomes weaker and weaker, and what starts as a small cavity may end up with root canal damage, a lost tooth or even life-threatening infections,” Pfeifer continued. “Stronger dental materials mean patients won't have to get fillings repaired or replaced nearly as often. This not only saves them money and hassle, but also prevents more serious problems and more extensive treatment."
The adhesive described in the study uses a specific kind of polymer known as (meth)acrylamides. This polymer is much more resistant to damage in water, bacteria and enzymes in the mouth than standard adhesives currently used in dentistry. The composite material described uses thiourethane, which holds up much better to chewing.
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Founder Ray Spotts has a passion for all things natural and has made a life study of nature as it relates to health and well-being. Ray became a forerunner bringing products to market that are extraordinarily effective and free from potentially harmful chemicals and additives. For this reason Ray formed Trusted Health Products, a company you can trust for clean, effective, and healthy products. Ray is an organic gardener, likes fishing, hiking, and teaching and mentoring people to start new businesses. You can get his book for free, “How To Succeed In Business Based On God’s Word,” at www.rayspotts.com.
