Saving lives in the ICU: Clean teeth

Brigham and Women’s study suggests daily use of a toothbrush lowers risk of hospital-acquired pneumonia, intensive-care mortality.

Harvard Gazette • harvard
Dec. 19, 2023 ~3 min

Why ice cream hurts your teeth and how to stop it

Odontoblasts have a newly discovered function: sensing cold, which can trigger pain in teeth. But scientists have also found a way to block the pathway to cold-sensitive teeth.

Anita Slomski • harvard
April 6, 2021 ~6 min


Ancient tooth tarter provides glimpse into early trade and menu items

Scientists study ancient human teeth to learn about their surprising diet.

Juan Siliezar • harvard
March 22, 2021 ~7 min

Study uses rings in teeth to understand the environment Neanderthals faced

By examining the teeth of Neanderthal infants, a team of researchers was able to glean insight into nursing and weaning behavior as well as winter and summer cycles. The study even found evidence that the Neanderthals had been exposed to lead — the earliest such exposure ever recorded in any human ancestor.

Peter Reuell • harvard
Dec. 3, 2018 ~7 min

Study uses rings in teeth to understand the environment Neanderthals faced

By examining the teeth of Neanderthal infants, a team of researchers was able to glean insight into nursing and weaning behavior as well as winter and summer cycles. The study even found evidence that the Neanderthals had been exposed to lead — the earliest such exposure ever recorded in any human ancestor.

Peter Reuell • harvard
Dec. 3, 2018 ~7 min

Tiny teeth tell the story of two fish species’ rapid evolution

Based on close examination of thousands of fossilized fish teeth, a Harvard researcher found that, while the asteroid impact that killed off the dinosaurs did lead to the extinction of some fish species, it also set the stage for two periods of rapid evolution among marine life.

Peter Reuell • harvard
Nov. 16, 2018 ~7 min

Tiny teeth tell the story of two fish species’ rapid evolution

Based on close examination of thousands of fossilized fish teeth, a Harvard researcher found that, while the asteroid impact that killed off the dinosaurs did lead to the extinction of some fish species, it also set the stage for two periods of rapid evolution among marine life.

Peter Reuell • harvard
Nov. 16, 2018 ~7 min

Dual benefit in Harvard dental students’ hands-on learning

Harvard dental students’ hands-on learning provides an affordable option for patients who might otherwise skip dental care.

Alvin Powell • harvard
Nov. 13, 2018 ~6 min


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