1) intraorifice barrier
根管内屏障
1.
②Filtek Z350 and FujiⅦwere proper materials as intraorifice barriers.
目的:观察根管内屏障在减少根管治疗牙冠方微渗漏方面的作用。
2) Apical barrier
根尖屏障
1.
The apical root canals of 21 teeth in experimental group were filled with MTA to create a 3-5 mm apical barrier.
8d,复查时多数患牙窦道闭合,根尖周病变明显缩小或消失,无新的暗影出现;对照组11颗患牙诱导成功,根尖有硬组织形成,9颗牙无明显根尖屏障形成,平均就诊次数6次,平均治疗周期306。
2.
METHODS:Eight cases,with open canal system,were filled with MTA to creat a 3-5mm apical barrier under operative microscope.
目的:评价显微镜下三氧化物多聚体(mineral trioxide aggregate,MTA)用于根尖屏障的临床疗效。
3) Inner ear barrier
内耳屏障
4) inland barrier
内地屏障
1.
For its special location in geography,Tianjin had played a very important role in the war,such as protection in all directions and transferred materials to support Korea,which served as an inland barrier and base for supporting Korea.
天津由于特殊的地理位置,在这场战争中扮演了极其重要的角色,通过多方警备以及大量转运援朝物资,使其起到内地屏障、援朝基地的作用,对战争的进程产生了重要影响。
6) barrier tube
屏障管
补充资料：根萝卜根尖纵切
李正理提供
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条