Reader's Forum
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as I find this study provides important answers to what many orthodontists have asked. Since miniscrews became an integral part of contemporary orthodontic practice, some of failed miniscrews have been re-sued for various reasons. Yet, up to date, there is no firmly agreed consensus in our profession regarding this area, and this investigation attempts to show how the relevant factors come into the picture when we try to decide whether to re-use a failed miniscrew or simply grab a new one.
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Reader's Forum
Q3. As the result, there were statistically signifi cant differences in the 7 angular and 5 linear measurements between the 2D and 3D analysis. However, you also described no clinically significant difference between them in the discussion and conclusion sections. Would you be so kind as to explain the reasons to lead to this conclusion? Q4. Many studies, including this study, have focused on a...
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Questioned by Hyub-Soo Lee Private Practice, Daejeon, Korea A1. In the past literature review, the relationship between smile esthetic variables and malocclusion lacked solid and sufficient evidence, therefore it aroused our interest to design a study of analyzing smile characteristics in different malocclusions. In our study, we found that arc ratio, upper teeth number showing, upper lip heigh...
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Q3. What do the authors think about the influence of surgical methods (one-jaw or two-jaw surgeries, osteotomy design, and so on), the amount of bony change by the surgery, and post surgical orthodontic treatment on the results of the study? Q4. The authors mentioned that the patients underwent plate removal operation at 6 months after the surgery, and they also discussed about the possibility ...
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A1. The temporary skeletal anchorage device used in this study, C-implant, requires higher removal torque compared to other orthodontic mini-implants because of its greater osseointegration potential. It also means that the C-implant allows application of multi-directional force system such as retraction combined with intrusion by concurrent use of intraand intermaxillary elastics. In such case...
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