Easily lead to broken mouth, oral inflammation and so on the case of oral ulceration.

Dental experts say the close-fitting ornaments can trap bacteria, causing decay and gum disease, and health officials in some states have barred their manufacture.

Petbite infant event is not rare, there are many bacteria animal's mouth, the babybite skin is very susceptible to infection, cause skin ulceration, such assepsis, osteomyelitis and rabies.