牙根(root) 型II─分叉牙根(bifurcated root) 牙根主干(root trunk) 分成颊侧及 舌侧枝(buccal and lingual branch) 兩支牙根分枝的所有面都是外凸 (convex) 的,而且像尖锐的牙根尖 (apex),牙根...
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root trunk length 根柱长度
Injury of unspecified nerve, spinal nerve root, and plexus of trunk 躯干未特指神经、脊神经根和神经丛的损伤
Conclusion: Root trunk concavities may cause furcation involvement and reduce the efficacy of periodontal therapy.
结论:根柱凹陷可能是造成根分叉病变的原因,并可能是导致牙周治疗效果欠佳的原因。
So we've got the root here of the--and then the trunk and then up above, this florid canopy would musically be the what?
我们来看看这里的根,然后是树干再往上,样华丽的树冠在音乐上被称为什么呢?
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