maxillary protraction

基本解釋

Result: The profile improved slowly more than half a year in maxillary protraction treated group.
結(jié)果：前方牽引后側(cè)貌改善較慢，一般需半年以上。
Conclusion vertical control was good in jaw bone and was not effective in dentition when applying maxillary protraction combined with rapid expansion.
結(jié)論聯(lián)合上頜前方牽引及快速擴大方法對頜骨垂直向控制較好，但對牙齒垂直向控制較差。
Objective To investigate the changes of hard tissue changes in vertical dimension when applying maxillary protraction combined with rapid maxillary expansion.
目的研究聯(lián)合應(yīng)用上頜前方牽引及快速擴大對硬組織垂直向的作用。