患儿8岁,因右下牙龈肿胀1天求治。检查发现,全口龋坏牙较多,龋坏穿髓,颊侧牙龈肿胀,叩痛(++),已完全萌出,沟裂深,颈缘及面软垢较多乳磨牙根尖周炎多在根...

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问题 患儿8岁,因右下牙龈肿胀1天求治。检查发现,全口龋坏牙较多,龋坏穿髓,颊侧牙龈肿胀,叩痛(++),已完全萌出,沟裂深,颈缘及面软垢较多
选项 乳磨牙根尖周炎多在根分叉处发生颊瘘的解剖学基础是 A.根分叉大 B.根分叉处牙槽骨薄 C.髓室底薄,副根管多 D.牙根较短 E.以上都是
答案 C
解析

相关内容:患儿,牙龈,检查,全口,龋坏,穿髓,颊侧,叩痛,萌出,沟裂,颈缘,面软,磨牙,周炎多

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