root apex

基本解釋

Secondary roots emerge on the 4th or 5th day about 4 or 5 cm from the root apex.
在第四或第五天，距根端大約4或5厘米處發(fā)出次生根。
The dead load shear and impact shear testing were performed from both of root apex direction and cutting edge direction.
測(cè)試了剪切力分別沿根尖方向和切緣方向作用的靜剪切和沖擊剪切強(qiáng)度。
Methods We used the root apex locator to measure work length of each root canal of 36 cases and compared the measured results.
方法用根尖定位儀測(cè)量36例患牙的每個(gè)根管工作長(zhǎng)度，并進(jìn)行比較。