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129.如何保证充填的义齿塑料牙冠牙颈线整齐? 将牙冠和基托分别填于上、下两半盒内;牙冠的塑料先调先填,使牙冠塑料硬于基托塑料;在充填牙冠时用充填器从四周向中间压缩,在填紧、填够的基础上,使牙颈线整齐、准确;在牙冠和基托之间隔以湿水玻璃纸进行试压,检查牙颈线是否整齐,可用剪刀修剪,再试压,至完全合适后去除玻璃纸,不再添加塑料。
129. How to ensure that the plastic denture filling the denture neat neckline? The crown and the base were filled in the upper and lower half box; crown of the plastic first tune to fill the crown plastic hard to the base plastic ; In the filling of the crown with a packer from the middle to the middle of compression, filling in, fill enough, so that the neckline tidy, accurate; between the crown and the base of the wet cellophane pressure test, check Neat neckline can be trimmed with scissors and then pressure test to completely remove cellophane after the appropriate, no longer add plastic.