Anyway, they began to give him mental treatment. And in between times they pulled out his teeth, more and more of them, until he didn't have a tooth left in his head.
总之他们开始给他采用精神治疗，还利用治疗间歇期间拔他的牙齿，越拔越多，直到他口中一颗牙也没有了。
2
CONCLUSION: the tooth type or tooth position, root curvature and calcification have significantly influenced the outcome of root canal treatment.
结论：根管治疗的失败与牙位(牙类型和牙位置)、根管弯曲度和钙化度密切相关。
3
Without good home care my treatment could fail, because of gum problems or recurring tooth decay.