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Microbes that cause cavities can form superorganisms able to ‘crawl’ and spread on teeth（图）
蛀牙 微生物 超有机体
2023/7/7
Across-kingdom partnership between bacteria and fungi can result in the two joining to form a “superorganism” with unusual strength and resilience. It may sound like the stuff of science fiction, but ...
Ashapeshifting robotic microswarm may one day act as a toothbrush, rinse, and dental floss in one.
Shark teeth offer clues to ancient climate change（图）
Shark teeth clues ancient climate change
2021/2/5
A character in a great white shark movie said that all sharks do is "swim and eat and make little sharks."It turns out they do much more than that. Sharks have roamed Earth's oceans for more than 400 ...
Ancient teeth from Peru hint that now-extinct monkeys crossed the Atlantic from Africa（图）
Ancient teeth Peru now-extinct monkeys crossed Atlantic Africa
2020/4/17
Four fossilized monkey teeth discovered deep in the Peruvian Amazon provide new evidence that more than one group of ancient primates journeyed across the Atlantic Ocean from Africa, according to work...
AUTOMATED SHAPE ANALYSIS OF TEETH FROM THE ARCHAELOGICAL SITE OF NERQIN NAVER
Automated Digital Odontometry Photogrammetry Tooth shape analysis Odontometry Odontotomy Nerqin Naver
2018/6/4
Traditional odontometry currently suggests a limited number of measurements on tooth coronal parts, including estimation of mesio-distal and vestibular-oral diameters, or dimension, through usually a ...
The tale teeth tell about the legendary man-eating lions of Tsavo
The tale teeth tell legendary man-eating lions Tsavo
2017/4/27
An analysis of the microscopic wear on the teeth of the legendary “man-eating lions of Tsavo” reveals that it wasn’t desperation that drove them to terrorize a railroad camp in Kenya more than a centu...
Topography of Teeth:Smithsonian Scientist Strengthens Tools To Track Animal,Ecosystem Responses to Major Environmental Changes
Topography of Teeth Smithsonian Scientist Strengthens Tools Track Animal Ecosystem Responses Environmental Changes
2016/11/29
By charting the slopes and crags on animals’ teeth as if they were mountain ranges, scientists at the Smithsonian’s National Museum of Natural History have created a powerful new way to lear...
How do shark teeth bite?Reciprocating saw,glue provide answers
shark teeth Reciprocating saw glue
2016/9/29
Sharks have a big reputation for their teeth.The ocean predators use their buzz saw mouths to efficiently dismantle prey, ranging from marine mammals and sea turtles to seabirds and — as Hollywood lik...
Casein Phosphopeptide-Amorphous Calcium Phosphate and Shear Bond Strength of Adhesives to Primary Teeth Enamel
CPP-ACP Bond Strength (BS) Adhesive
2015/10/20
Background: CPP-ACP (Phosphopeptide-Amorphous Calcium Phosphate) has an important role in caries prevention in pediatric patients. This study was done, because of the great use of CPP-ACP and the need...
Photogrammetric technique for teeth occlusion analysis in dentistry
Photogrammetry Calibration Non-contact measurements
2015/8/25
Significant number of applications has a demand for measurement of mutual location of two or more adjacent parts. Measuring outer parameters of adjacent parts is relatively simple task. But it is a pr...
Cut-Eye and Suck-Teeth:African Words and Gestures in New World Guise
Cut-Eye Suck-Teeth African Words Gestures New World Guise
2015/6/16
Cut-Eye and Suck-Teeth: African Words and Gestures in New World Guise.
EVANSTON, Ill. --- Beavers don’t brush their teeth, and they don’t drink fluoridated water, but a new Northwestern University study reports beavers do have protection against tooth decay built into th...
Type I Collagen Exists as a Distribution of Nanoscale Morphologies in Teeth, Bones and Tendons
collagen nanoscale morphologies bones
2014/11/6
This study demonstrates that collagen, the most abundant protein in animals, exists as a distribution of nanoscale morphologies in teeth, bones, and tendons. This fundamental characteristic of Type I ...
External cervical root resorption involving multiple maxillary teeth in a patient with hereditary hemorrhagic telangiectasia
hereditary hemorrhagic telangiectasia external root resorption
2014/11/6
Hereditary hemorrhagic telangiectasia (HHT) is an inherited syndrome characterized by mucocutaneous telangiectases that commonly involve the tongue, lips, fingers, and conjunctiva. While root resorpti...
Ancient shark teeth give clues to future of Arctic climate change
Sharks The North Pole. Tundra Animal Temperate forests Temperature The ocean Deep sea
2014/7/18
A new study of sharks that lived in warm Arctic waters millions of years ago suggests that some shark species could handle the falling Arctic salinity that may come with rising temperatures.