That is why the recent discovery of a Jurassic ammonite with a shark's tooth embedded in its shell has excited palaeontologists.
这正是最近发现的一枚外壳中嵌有鲨鱼齿状物的侏罗纪鹦鹉螺化石令古生物学家兴奋的原因所在。
Objective: to discuss clinical symptom and therapy for the anterior embedded tooth.
目的：探讨前牙区埋伏牙的临床特点及治疗。
Objective To investigate the nursing experience of guide-erupt operation of maxillary embedded tooth.
目的探讨上颌埋伏牙开窗导萌术的护理经验。
Objective: to observe the healing of sockets in which oral tissue patch was embedded after tooth extraction by spiral ct, and to evaluate the effect of oral tissue patch on the healing of sockets.
目的：应用螺旋CT技术观察拔牙后口腔组织补片植入牙槽窝的愈合情况，评价口腔组织补片对于牙槽窝愈合的影响。
Objective: to observe the healing of sockets in which oral tissue patch was embedded after tooth extraction by spiral ct, and to evaluate the effect of oral tissue patch on the healing of sockets.
目的：应用螺旋CT技术观察拔牙后口腔组织补片植入牙槽窝的愈合情况，评价口腔组织补片对于牙槽窝愈合的影响。
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