Like humans, dogs have two sets of teeth in their lifetime – 28 deciduous (baby) teeth and 42 permanent (adult) teeth. A dog's baby teeth begin to erupt at three to six weeks of age and fall out ...

The deciduous teeth start to fall out at about three months and all 42 permanent adult teeth are usually in by about six months. This can vary among dogs and breeds.

Small or toy breed dogs often seem to have slower dental development than larger dogs. There are 28 deciduous or baby teeth that should have erupted or be visible at around 8 weeks.

Like people, dogs lose their baby teeth (also called deciduous teeth) as their adult (permanent) teeth erupt. This usually happens by the time they are about 6 months old.

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 ...