可以尝试将一个新的Hedstrom锉插入超出根尖的的充填物碎片中，缓慢顺时针旋转至超过根尖狭窄处0.5 - 1.0 mm的深度，以去除超出的牙胶尖。然后，在不旋转的情况下，缓慢而牢固地取出锉子，除去超出的材料(图10.34)。173这种方法经常起作用，但必须注意不要用力按压器械，否则可能导致牙胶尖进一步挤压或锉子分离。超出的牙胶尖碎片不应该用溶剂软化，因为这样会降低Hedstrom锉获与牙胶尖的稳定结合的可能性，阻碍取出。Overextended gutta-percha removal can be attempted by inserting a new Hedstrom file into the extruded apical fragment of root filling using a gentle clockwise rotation to a depth of 0.5 to 1.0 mm beyond the apical constriction. The file is then slowly and firmly withdrawn with no rotation, removing the overextended material (Fig. 10.34). 173 This technique works frequently, but care must be taken not to force the instrument or else further extrusion of the gutta-percha or separation of the file may result. The overextended apical fragment should not be softened with solvent as this application can decrease the likelihood of the Hedstrom file getting a solid purchase hindering retrieval. https://t.cn/R2Wxpw9

HBC fake news

WW幻（the world war from Huan）was start days ago

Under this circumstance, after a throughfully consideration of all the necessary components, despising the factor, which is not urgently needed to be included, but worth mentioning, that we as citizens who play important roles in the development of the civilisation, in which, no doubt that we understand the differentiation between each individual, that there is a neccesity for reminding, we must respect other minds

#汉字[超话]#[羞嗒嗒]#情感语录#
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Follow me, step on the beach with both feet, don't need to be tender, as long as you belong to me every day, take good care of me and protect me.