The effectively acting distance of acidizing treatment is a problem with quite more disputes.
酸处理的有效作用距离，是一个颇多争议的问题。
2
Conclusion: the rate of root resorption of two methods are consistent, there's no relationship between the root resorption of the teeth transportation distance or treatment time.
结论：两种治疗方法的牙根吸收率是一致的；牙根吸收率与牙齿移动距离和受力时间没有关系。
3
Very often professionals tend to keep a distance from the persons with dual diagnosis in the treatment process.