Chockstone - Rock or stone tightly wedged in a crack.

紧密地楔入岩缝的岩石。

Under the condition of toponarcosis,using turbine machine to cut off the dental crown,then weging into the elevator to stick out the remnant wisdom tooth.

在局麻下切开、翻瓣用消毒过的涡,骨和离断智齿牙冠,除近中牙冠,获得“牙空隙”,楔入牙挺,挺出智齿余牙。