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Well im not really sure. but i know that a small receding jaw line accurs to all newborns to make it easier to feed. but it is also very bad. try researching about "Small, Receding Jaw Lines In babys" & it will give more information. but it does not really say how it helps.

Hopee thaat helps you a little.

GOOD LUCK :)

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14y ago

What else can I help you with?