The beaver (genus Castor) is a large, primarily nocturnal, semiaquatic rodent.
Castor includes ... A beaver's teeth grow continuously so that they will not be
worn down by chewing on wood. Their...
Feb 17, 2015 ... Even without brushing their teeth or drinking fluoridated water, beavers have
remarkably strong teeth good for gnawing on wood. A new study ...
The beaver's incisors (front teeth) are harder on the front surface than on the back
, and so the back wears faster. This creates a sharp edge that enables a ...
Beave r teeth turn orange from the iron content in the food they eat. The hard
orange enamel covers a softer layer underneath that constantly chisels away
Oct 13, 2015 ... Beavers have large teeth. Their upper incisors are from 20 to 25 mm long,
according to ADW. They continue to grow throughout a beaver's ...
Beavers are among the largest rodents on earth. Their large rodent teeth never
stop growing. The beavers constant gnawing on wood keeps their teeth from ...
Feb 23, 2015 ... Beaver enamel is rich in iron—which is even more effective than fluoride at
staving off cavities. Christopher Intagliata reports.
Feb 12, 2015 ... Beavers are almost immune to tooth decay; that's because they've got tiny iron-
rich nanowires interwoven throughout the enamel core of those ...
Because the teeth have hard enamel up front and softer material called dentin in
the back, this rodent's teeth are self-sharpening! Beavers use these teeth to cut ...
Nov 3, 2011 ... “A beaver's teeth grow continuously so that they will not be worn down by
chewing on wood. Their four incisors are composed of hard orange ...