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在人体生长发育过程中,尤其在儿童生长发育过程中,由于遗传、疾病,内分泌障碍、营养不良,功能紊乱、不良习惯等因素,影响了牙、颌的生长发育,表现为牙齿的错位,牙弓颌关系异常,上下颌骨位置及形态的变异,可简称为牙颌畸形。本文侧重于营养,遗传这两方面的因素加以探讨。一、营养因素胚胎时期营养不良就可直接影响胎儿,形成牙颌
In human growth and development process, especially in children's growth and development, due to genetic, disease, endocrine disorders, malnutrition, dysfunction, bad habits and other factors, affecting the growth of teeth, jaw growth, manifested as dislocation of teeth, teeth Abnormal relationship between the bow and jaw, upper and lower jaw position and morphological variations, can be referred to as the dento-maxillofacial deformity. This article focuses on nutrition, genetic factors to explore these two aspects. First, nutritional factors malnutrition during embryo can directly affect the fetus, the formation of dental