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在正畸临床上,替牙早期的正中间隙比较多见,有些情况属于发育阶段的暂时性错(牙合),可随着发育及邻牙的萌出而自行关闭。而有些情况是有明显原因的,属于错(牙合)畸形。一般需要正畸医师寻找原因并作相应的处置。因此,正确分析正中间隙发生的原因并根据不同情况采取相应的措施,不仅是专业医师所应该了解的,而且对搞好替牙期儿童牙颌畸形的咨询具有指导意义。暂时性错(牙合)引起的小于2.0mm的间隙不在本文之列讨论。
In orthodontic clinics, the mid-tooth gap is more common in early stages, and in some cases it is a temporary occlusion of the developmental stage, which can be closed with the development and the eruption of the adjacent teeth. In some cases there are obvious reasons, belonging to the wrong (occlusal) deformity. Orthodontists generally need to find the reason and make the appropriate disposal. Therefore, a correct analysis of the causes of the median gap and take corresponding measures according to different situations, not only should be understood by professional physicians, but also to improve dentition dentition deformity consultation counseling. A gap of less than 2.0 mm caused by a temporary occlusion is not discussed in this article.