应用ICON指数和PAR指数对隐形矫治系统疗效的评价(1)
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[摘要]目的：应用PAR指数及ICON指数对隐形矫治系统的临床应用情况进行综合评价。方法：选用完全经过隐形矫治系统治疗且资料完整的病例39例分别进行ICON及PAR指数记分，然后用统计学方法进行分析。结果：PAR指数及ICON指数在评价隐形矫治治疗结果及改善程度上具有很高的相关性，经过隐形矫治治疗的患者指数评价结果显示大都得到一定程度的改善。结论：PAR指数及ICON指数用于评价隐形矫治系统方便、客观；对于一些简单病例隐形矫治可以达到很好的治疗效果。
[关键词]隐形矫治；PAR指数；ICON指数；正畸
[中图分类号]R783.5 [文献标识码]A[文章编号]1008-6455(2011)05-0834-04
Using the index of ICON and PAR to evaluate the effectiveness of invisible aligner system
PEI Xiu-jie1,BAI Yu-xing2,LIN Gui-shu3
(1.Department of Orthodontics,The First Hospital of Qinhuangdao,Qinhuangdao 066000,Hebei,China;2.Department of Orthodontics,School of Stomatology,Capital Medical University;3.Department of Orthodontics,The Third Affiliated Hospital of Hebei Medical University)
Abstract:Objective The aim of our study was to determine the validity of PAR and ICON in the cases utilizing the invisible aligner appliance.MethodsThirty-nine patients who had undergone treatment with the invisible aligner were ranked by an experienced orthodontists, and they were all scored using PAR and ICON. The data were analyzed for statistical significance.ResultsThe level of correlation between PAR and ICON scores of treatment outcome and the subjective ranking of treatment outcome were significant (P<0.001).The level of correlation between PAR and ICON scores of treatment improvement was also significant (P<0.001).ConclusionIt is concluded that both PAR and ICON are suitable indices for assessing the clinical outcome of invisible aligner treatment. The Invis align system is effective in treating some easy or moderate malocclusion cases, and has little use for complicated cases.
Key words:invis align;PAR;ICON;orthodontic
隐形矫治系统自1997年出现以来，世界上已经有数十万人接受过隐形矫治[1-2]。2004年首都医科大学与清华大学合作开发了我国首个自主知识产权的隐形矫治系统，目前已有几百位患者接受了这种无托槽矫治[3]。然而无论在国外还是国内，对于隐形矫治的系统评价都不多，它的发展和完善还需要时间。
为了对我国现有的隐形矫治应用状态进行一个系统的总结和评估，寻找一种简单方便客观的对隐形矫治系统进行评价的方法，笔者搜集了国内完全经过隐形矫治系统完成的39例具有完整资料的病例，选择国际通用的正畸治疗需要难度结果指数( the index of complexity,outcome and need,ICON)与PAR指数(peer assessment ration)分别对矫治前后病例进行评测分析，期待对隐形矫治系统有一个客观的认识。
1资料和方法
1.1实验资料：39例病例为2004～2008年内完成，完全经过隐形矫治系统治疗，术前后有照片和石膏模型。所有病例编码标记，隐去治疗单位和医师，以防止偏见产生。
1.2实验方法
1.2.1将术前术后模型配对摆放，由5位有经验的正畸医师将其按治疗结果进行评级，设为5个等级 ......
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