Dentistry
Rock-munching sea urchins have self-sharpening teeth  Science Magazine · 12 hours
Knifelike gnashers could help scientists design tools that rarely need honing more
These pink sea urchins have teeth that sharpen themselves  SCIENCE DAILY · 12 hours
Sea urchins have five teeth, each held by a separate jaw in a circular arrangement at the center of their spiked, spherical bodies. Now, researchers have discovered how the teeth... more
These pink sea urchins have teeth that sharpen themselves  PHYS.ORG · 13 hours
Sea urchins have five teeth, each held by a separate jaw in a circular arrangement at the center of their spiked, spherical bodies. Now, researchers reporting in the journal Matter... more
Testing fluoride levels in Indian wells  PHYS.ORG · 2 days
In the hilly part of Central India, the Alirajpur and Jhabua districts in Madhya Pradesh are known for the high fluoride levels in their underground water. The government has done a great job of drilling and... more
Medical News Today: Does poor oral health impact brain function?  MNT · 4 days
Two new studies suggest that there is an association between stress related tooth problems and cognitive decline among older populations. more
Does poor oral health impact brain function?  MNT · 4 days
Two new studies suggest that there is an association between stress related tooth problems and cognitive decline among older populations. more
Reconstructing the evolution of all species  SCIENCE DAILY · 1 week
By looking into fossil teeth from almost 2 million years old rhinos, researchers have launched a new molecular method for studying the evolutionary history of fossil species dating back millions of years. more
'Game-changing' research could solve evolution mysteries  PHYS.ORG · 1 week
An evolution revolution has begun after scientists extracted genetic information from a 1.7 million-year-old rhino tooth—the largest and oldest genetic data to ever be recorded. more
The secret strength of gnashing teeth  PHYS.ORG · 1 week
The strength of teeth is told on the scale of millimeters. Porcelain smiles are kind of like ceramics—except that while china plates shatter when smashed against each other, our teeth don't, and it's because they are... more
Ghost crabs found to gnash teeth inside their stomach to ward off predators  PHYS.ORG · 1 week
A team of researchers from the Scripps Institution of Oceanography and the University of California has found that ghost crabs have a... more
Making stronger glass: The secret strength of gnashing teeth  SCIENCE DAILY · 1 week
There's a method to finite element modeling for materials microarchitecture to make super strong glass. Researchers use complex models to study the breaking point of brittle materials; the secret is... more
Earliest evidence of milk consumption found in teeth of prehistoric British farmers  SCIENCE DAILY · 1 week
Archaeologists have identified a milk protein called beta lactoglobulin (BLG) entombed in the mineralized dental plaque of seven individuals who lived in the Neolithic... more
Researchers find earliest evidence of milk consumption  PHYS.ORG · 1 week
Researchers have found the earliest direct evidence of milk consumption anywhere in the world in the teeth of prehistoric British farmers. more
Teeth offer vital clues about diet during the Great Irish Famine  SCIENCE DAILY · 1 week
Scientific analysis of dental calculus -- plaque build-up -- of the Famine's victims found evidence of corn (maize), oats, potato, wheat and milk foodstuffs. more
Teeth offer vital clues about diet during the Great Irish Famine  PHYS.ORG · 1 week
Scientific analysis of dental calculus—plaque build-up—of the Famine's victims found evidence of corn (maize), oats, potato, wheat and milk foodstuffs. more
Single-nanowire spectrometers  Science Magazine · 2 weeks
Spectrometers with ever-smaller footprints are sought after for a wide range of applications in which minimized size and weight are paramount, including emerging in situ characterization techniques. We report on an ultracompact microspectrometer design based on a single compositionally engineered... more
Explosive fireballs: Never-before-seen insight  SCIENCE DAILY · 2 weeks
An explosion is a complex event involving quickly changing temperatures, pressures and chemical concentrations. A special type of infrared laser, known as a swept-wavelength external cavity quantum cascade laser, can be used to study explosions. This versatile instrument has a... more
New advance could lead to regrowth of decayed enamel  NEWS MEDICAL · 2 weeks
Modern dental practice is concerned with preserving teeth rather than extracting them, even if tooth decay is present. Various types of fillings have been used, including materials like composite resins,... more
Using lasers to study explosions  PHYS.ORG · 2 weeks
An explosion is a complex event involving quickly changing temperatures, pressures and chemical concentrations. In a paper in the Journal of Applied Physics a special type of infrared laser, known as a swept-wavelength external cavity quantum cascade laser... more
How to get bargain dentistry and a vacation to boot  NEWS MEDICAL · 2 weeks
"Do you want numbing gel?" the dental technician asked me as she prepared to plunge into my mouth. more
Bacteria in pneumonia attack using bleaching agent  SCIENCE DAILY · 2 weeks
Research shows that bacteria use hydrogen peroxide to weaken the immune system and cause pneumonia. Hydrogen peroxide is also known as a bleaching agent that is used to whiten teeth or hair, as a... more
A way to repair tooth enamel  PHYS.ORG · 2 weeks
A team of researchers from Zhejiang University and Xiamen University has found a way to repair human tooth enamel. In their paper published in the journal Science Advances, the group describes their process and how well... more
New molecules that could help tackle tooth loss and regeneration discovered  NEWS MEDICAL · 3 weeks
Our teeth take thousands of bites per day, and understanding exactly what holds them in place and how is key to helping people live with their... more
Repair of tooth enamel by a biomimetic mineralization frontier ensuring epitaxial growth  Science Magazine · 3 weeks
The regeneration of tooth enamel, the hardest biological tissue, remains a considerable challenge because its complicated and well-aligned apatite structure has not been duplicated... more
Scientists uncover key new molecules that could help to tackle tooth loss and regeneration  SCIENCE DAILY · 3 weeks
New research published in the Journal of Dental Research has shed light on the science behind the formation of the... more
A new technique for making exciting metal oxide frameworks  PHYS.ORG · 3 weeks
Metal oxide frameworks, or MOFs, are solid materials which can behave like ultra-fine sponges. The cavities in the sponge are of nanosize—about the size of individual molecules. Being made up... more
ADHA comments on a study linking maternal fluoride exposure during pregnancy and children's IQ scores  NEWS MEDICAL · 3 weeks
The American Dental Hygienists' Association supports community water fluoridation as a safe and effective method for reducing the... more
Medical News Today: The duration of dry socket  MNT · 3 weeks
Dry socket can last up to 7 days. It can occur after tooth extraction and causes symptoms, including intense pain. Learn more here. more
First human ancestors breastfed for longer than contemporary relatives  PHYS.ORG · 3 weeks
By analysing the fossilised teeth of some of our most ancient ancestors, a team of scientists led by the universities of Bristol (UK) and Lyon (France) have discovered that the... more
3.8-Million-Year-Old Skull of Australopithecus anamensis Found  SCI-NEWS.COM · 3 weeks
Australopithecus anamensis is the earliest-known species in the genus Australopithecus. The species is widely accepted as the ancestor of Lucy’s species, Australopithecus afarensis, and... more
Ancient teeth shed light on Miocene 'mouse' migration  PHYS.ORG · 3 weeks
A new species of prehistoric murine—the group of mammals that includes mice, rats, and their relatives—has been identified from fossils discovered in Lebanon. The findings, presented in Scientific Reports, represent the first... more
Calcium isotopic patterns in enamel reflect different nursing behaviors among South African early hominins  Science Magazine · 3 weeks
Nursing is pivotal in the social and biological evolution of hominins, but to date, early-life behavior among hominin lineages is... more
A 3.8-million-year-old fossil from Ethiopia reveals the face of Lucy's ancestor  PHYS.ORG · 3 weeks
Australopithecus anamensis is the earliest-known species of Australopithecus, and widely accepted as the progenitor of Lucy's species, Australopithecus afarensis. Until now, A. anamensis was known mainly... more
Researchers use epigenetics to determine the age of dolphins  PHYS.ORG · 3 weeks
Can you tell the difference between a young dolphin and an old one? Neither can scientists—not without pulling a tooth, sawing it in half and counting the growth layers like... more
Triassic-Era Mammal Relative Had Saber Teeth  SCI-NEWS.COM · 3 weeks
A new species of cynodont has been identified from a fossilized skull found in the San Juan province, Argentina. The extinct mammal relative, named... more
Elite athletes have high rates of oral disease despite frequent brushing  NEWS MEDICAL · 3 weeks
Elite athletes have high rates of oral disease despite brushing their teeth more frequently than most people, finds a new UCL study. more
Medical News Today: Tooth extraction aftercare: A how-to guide  MNT · 4 weeks
Caring for the mouth and empty socket after a tooth extraction is vital to prevent painful complications. Learn about tooth extraction aftercare in this article. more
Medical News Today: Hydrogen peroxide for teeth whitening: What to know  MNT · 4 weeks
Hydrogen peroxide is a common ingredient in many at-home and commercial teeth whitening solutions. Learn more about how it works and the safety considerations here. more
Elite athletes have poor oral health despite brushing twice daily  SCIENCE DAILY · 4 weeks
Elite athletes have high rates of oral disease despite brushing their teeth more frequently than most people, finds a new study. more
Medical News Today: What to know about gum boils  MNT · 4 weeks
Gum boils are swollen, pus-filled bumps on the gums. Treatment involves medication and dental procedures, while home remedies may reduce discomfort. Learn more here. more
Medical News Today: How to relieve gum pain fast  MNT · 4 weeks
From tea bags to cold compresses, many home remedies can quickly relieve mild-to-moderate gum pain. Learn about these methods, and when to see a dentist, here. more
New hydrogels show promise in treating bone defects  SCIENCE DAILY · 4 weeks
Bioengineers and dentists have developed a new hydrogel that is more porous and effective in promoting tissue repair and regeneration. Once injected in a mouse model, the new hydrogel is shown to... more
Next generation of hydrogel systems could help repair bone defects in future  NEWS MEDICAL · 4 weeks
Bioengineers and dentists from the UCLA School of Dentistry have developed a new hydrogel that is more porous and effective in promoting tissue repair... more
New hydrogels show promise in treating bone defects  PHYS.ORG · 4 weeks
Bioengineers and dentists from the UCLA School of Dentistry have developed a new hydrogel that is more porous and effective in promoting tissue repair and regeneration compared to hydrogels that are currently... more
Making biominerals: Nature's recipe is old, evolved more than once  PHYS.ORG · 4 weeks
In recent years, scientists have teased out many of the secrets of biomineralization, the process by which sea urchins grow spines, mollusks build their shells and corals make... more
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