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By the time of birth, the trunk and limbs have grown faster than the head and face, so that the proportion of the entire body devoted to the head has decreased to about 30%. The overall pattern of growth thereafter follows this course, with a progressive reduction of the relative size of the head to about 12% of the adult.
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颅面部生长发育知识的重要性
• 颅面部生长发育与错合畸形诊断及矫治计划 It is important to distinguish normal variation from the effects of abnormal or pathologic processes. Since dentists and orthodontists are heavily involved in the development of not just the dentition but the entire dentofacial complex, a conscientious practitioner may be able to manipulate facial growth for the benefit of the patient.