Seven per cent of pet dogs – mostly small, “toy” breeds – have doubled-up teeth, reminiscent of sharks’ mouths. The condition, known as persistent deciduous teeth, occurs when the dog’s baby teeth ...

You wait, you peek, you might even poke. You get through some fitful nights with your unusually fussy baby ... and ta-da! That first teeny-tiny baby tooth appears. But once those little pearly whites ...

A pediatric dentist and an anthropologist explain how baby teeth and adult teeth help humans chomp their food over a long ...