Shark teeth' – officially known as persistent deciduous teeth (PDT) – is a disorder where two sets of gnashers come out of a row of gums. It occurs when a dog's baby teeth remain fixed in the ...
and retained lower deciduous canines might be associated with more severe position of the impacted teeth. Because the severity of tooth impaction would follow different patterns when considering ...
On May 5, a deciduous tooth of a boy in China's Zhejiang ... have a symbiotic relationship with crocodiles, cleaning their teeth in exchange for food. These small birds enter the mouths of ...