Dental
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Like many menial tasks, there may soon be a way to outsource brushing your teeth to robots. A new system of microrobots can change shape to form bristles or floss, and don’t just brush plaque away but release antimicrobials to kill bad bacteria.
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The buildup of bacteria deep in our teeth can cause infections in difficult to reach areas, and scientists at the Indian Institute of Science have developed tiny cleaning robots they believe are up to the task.
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A newly developed optical device is designed to reveal at-risk areas of our teeth by detecting hotspots of high acidity in dental plaque, where conditions are ripe for decay to take hold and cavities to form.
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While there are camera-equipped toothbrushes that let users see how well they're cleaning their teeth, the Zaamigo goes considerably further. It uses AI to analyze the photos it shoots, in order to monitor the health of its user's teeth and gums.
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In a large study UK researchers have found gum disease is associated with an increased risk of developing cardiovascular and autoimmune disease. The findings build on a growing body of research linking poor oral health with broader chronic disease.
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For people with particularly cavity-prone teeth, daily brushing and flossing aren't always enough. A new treatment could help, as it uses tiny particles known as nanozymes to break down plaque and kill cavity-causing bacteria.
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Fresh analysis of 54-million-year-old fossils has revealed the oldest known example of cavities among mammals, with prehistoric primates by the name of Microsyops latidens found to suffer from them with increasing regularity.
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While implanted artificial teeth do offer a longer-term alternative to dentures, they may need to be surgically replaced if gum infections occur. Scientists are thus working on a better implant, that would generate electricity via mouth movements.
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With their often high-sugar diets and lax brushing habits, many children are particularly susceptible to cavities. An experimental new treatment could help, however, using enzymes to weaken the plaque that forms on the teeth.
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Scientists have analyzed the fossilized dental plaque of Neanderthals to sequence their oral microbiome, including the oldest ever at 100,000 years old. By comparing them to humans and other primates the study reveals new insights into our evolution.
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A new study claims to explain the association between gum disease and diabetes, cardiovascular disease and even Alzheimer’s. The research demonstrates how periodontitis can initiate a systemic immune response that spreads throughout the entire body.
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Although cavities are caused by bacteria, simply killing all of the bacteria in the mouth isn't a good idea, as some of them have beneficial effects. A nanoparticle coating, however, could someday prevent cavities without harming bacteria.
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