The present invention relates to a device for inducing or correcting mandible growth of a subject such as a newborn infant. The device (1) according to the invention is characterized in that it comprises: - a support (100) for supporting at least one part of the rear surface of the body of the subject, including the head, preferably in the inclined supine position, - at least one extra-oral means (104, 105) for exerting a pushing force on each of the two rising branches of the mandible by means of a transdermal bone anchoring device (107, 108) in said branch, - at least one extra-oral means (102, 103) for exerting a traction or pushing force on each of the two horizontal branches of the mandible using a transdermal bone anchoring device (106) in said branch, said extra-oral means for exerting forces (102, 103, 104, 105) being linked to the support (100) by connection means (109, 110) and to said transdermal bone anchoring devices by connection means (113, 114, 115).