在拔牙手术时和手术后,可能发生的并发症很多,关于这方面的材料屡有文献报道,兹不赘述。本文仅就拔牙与上颌窦的关系作初步讨论,以供参考。在上颌前磨牙根尖的上方,就是上颌窦底,这些牙根尖与上颌窦之间,一般隔有一薄层骨质和上颌窦粘膜,有的牙根尖及其上方的骨质,常向窦腔中形成相应的突出点,甚至在牙根尖与上颌窦之间缺乏骨质,而仅以一层粘膜相隔。尤其在上颌窦较大的患者,不但 There are many complications that may occur during and after tooth extraction surgery. The materials in this area are often reported in the literature, and we will not go into details here. This article only on the relationship between extraction and maxillary sinus for preliminary discussion for reference. In the maxillary premolars above the apical, is the maxillary sinus floor, these apical and maxillary sinus, usually separated by a thin layer of bone and maxillary sinus mucosa, some apical and its top of the bone, often to the sinus cavity In the formation of the corresponding prominent point, and even in the apical and maxillary sinus lack of bone, and only separated by a layer of mucous membrane. Especially in the maxillary sinus patients, not only