Small dogs are more likely to have an extra row of teeth like sharks
Some pet dogs retain their baby teeth, creating two rows that resemble the mouth of a shark. A new analysis shows that the condition is more prevalent in smaller breeds and obese dogs
![Small dogs are more likely to have an extra row of teeth like sharks](https://images.newscientist.com/wp-content/uploads/2024/02/09160542/SEI_190572983.jpg)
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