A cranial suture orthodontic mouthpiece, and a skull suture orthodontic mouthpiece structure are disclosed. The present invention is formed in the upper part of the back of the mouthpiece protruding, the upper orthodontic portion is in close contact with the inner gums of the front teeth of the patient or formed in the lower part of the front of the mouthpiece, the lower jaw correction portion inserted between the patient's lower lip and lower teeth Equipped. According to the present invention, a skull suture correcting mouthpiece and a skull suture correcting mouthpiece structure capable of correcting a crooked skull suture of a patient are provided.
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