[1]梅林果,张晓敏,陈银妹,等. 青少年安氏Ⅱ类错牙合矫治前后错牙合程度及美观效果变化的临床研究[J].中国美容医学,2018,(08):84-87.
　MEI Lin-guo,ZHANG Xiao-min,CHEN Yin-mei,et al. Clinical Study on the Degree of Malocclusion and Aesthetic Effect Before and After Correction of Class Ⅱ Malocclusion[J].Medical Aesthetics and Beauty,2018,(08):84-87.
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 青少年安氏Ⅱ类错牙合矫治前后错牙合程度及美观效果变化的临床研究
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《中国美容医学》[ISSN:1008-6445/CN:61-1347/R]

卷:
期数:
2018年08期
页码:
84-87
栏目:
出版日期:
2018-09-10

文章信息/Info

Title:
 Clinical Study on the Degree of Malocclusion and Aesthetic Effect Before and After Correction of Class Ⅱ Malocclusion
文章编号:
1008-6455（2018）08-0084-05
作者:
 梅林果1; 张晓敏2; 陈银妹2; 胡露露2; 王元银2
Author(s):
MEI Lin-guo1; ZHANG Xiao-min2; CHEN Yin-mei2; HU Lu-lu2; WANG Yuan-yin2
关键词:
 ; [关键词]正畸; 错牙合畸形; IOTN-AC; 美观效果
Keywords:
Key words:orthodontics; dental malformation; IOTN-AC; aesthetic effect
分类号:
R783.5
文献标志码:
A
摘要:
[摘要]目的：探讨正畸治疗青少年安氏Ⅱ类错牙合畸形治疗前后错牙合程度及美观效果变化。方法：选取笔者医院口腔科2014
年1月-2016年1月收治的50例安氏Ⅱ类错牙合畸形的青少年患者作为观察组，并选取30例门诊诊断为安氏Ⅱ类错牙合畸形但未接
受治疗的患者作为对照组。观察组患者均接受正畸治疗，并于治疗前、治疗后6个月、12个月、18个月进行指数评分量表
（IOTN-AC）和美观期待值评价；对照组患者在治疗前（初次）和随访18个月时（末次）进行了这些美观效果评估。对观察
组患者治疗前后的前牙覆盖、磨牙咬合关系、中线关系、前牙覆牙合等牙颌畸形指标及软组织情况进行评价，比较患者治疗
前后相关指标的差异。结果：观察组患者在治疗前、治疗后6个月、12个月、18个月四个时间点的IOTN-AC分值逐渐降低，美
观期待值逐渐升高，每个评估时间点的IOTN-AC、美观期待值与前次的值比较均有显著性差异（P＜0.05）。观察组与对照组
患者在初次（治疗前）评估时的美观效果无显著性差异（P ＞0.05）；而观察组在末次（治疗后18个月）的IOTN-AC分值明显
低于对照组，其美观期待值明显高于对照组（P ＜0.05）；对照组患者初次与末次的IOTN-AC与美观期待值比较无显著性差异
（P ＞0.05）。观察组患者治疗后的前牙覆盖、磨牙咬合关系、中线关系、前牙覆牙合等畸形程度评分均明显低于治疗前（P
＜0.001）。观察组患者治疗后的软组织面角、全面凸角、下唇基角、上下唇角、下唇倾角、Eangle角、Z角UL、Z角LL均明
显低于治疗前，而面型角、面凸角、鼻唇角、唇基角、颏唇沟角、鼻唇角、上唇倾角、H角（软）、H角等指标均明显高于治
疗前（P ＜0.05）。结论：正畸治疗青少年安氏Ⅱ类错牙合畸形临床疗效显著，能有效提高患者牙列美观程度，显著降低患者
错牙合畸形严重程度，值得在临床推广应用。

Abstract:
Abstract: Objective To investigate the aesthetic effects of orthodontic treatment for Class Ⅱ malocclusion in adolescents and
the severity of malocclusion before and after treatment. Methods Fifty adolescents with Class II malocclusion who underwent
orthopedics from January 2014 to January 2016 in our hospital were recruited into this study as observation group, and thirty
patients diagnosed as Class II malocclusion without ambulation were taken as control group. All patients in observation group
were treated with orthodontic therapy. The scores of IOTN-AC and the values of aesthetic expectation were evaluated in the
patients in observation group at four time points such as before treatment, 6 months, 12 months and 18 months after treatment,
and the same indexes of aesthetic effects were evaluated in the patients in control group before treatment (the first valuation
time) and at 18 months of follow-up (the last valuation time). The tooth and jaw deformity indicators including anterior
coverage, molar occlusion, midline relationship and dental overbite denture and soft tissue conditions were assessed in the
patients of observation group, and the differences of these indicators were compared before and after treatment. Results The
scores of IOTN-AC gradually decreased and the values of aesthetic expectation gradually increased in the four time points in
the patients of observation group. Moreover, the scores or values of each time point were significant different from those of
the previous one (P ＜0.05). There was no significant difference in the aesthetic effects between the observation group and the
control group at the first valuation time (before the treatment) (P ＞0.05). However, the score of IOTN-AC of the observation
group was significantly lower than that of the control group the last valuation time (18 months after treatment / of follow-up),
and the aesthetic expectation value of the observation group was significantly higher than that of the control group (P ＜0.05).
In the control group, There was no significant difference in the aesthetic effects between the first and last valuation time points
(P ＞0.05). In the observation group, the scores of the tooth and jaw deformity indicators including anterior coverage, molar
occlusal, midline relationship and dental overbite denture after treatment were significantly higher than those before treatment
(P ＜0.001). The soft tissue surface angle, total lobe angle, lower lip angle, upper and lower lip angle, lower lip inclination,
Eangle angle, Z angle UL and LL after treatment were significantly lower than those before treatment, and nasolabial angle,
labial angle, chin labial furrow angle, nasolabial angle, labial angle, H angle (soft) and H angle were all significantly higher
than those before treatment (P ＜0.05). Conclusion Orthodontic treatment of adolescent occlusal deformity had a significant
clinical effect,which could effectively improve the aesthetic degree of dentition of patients and significantly reduce the severity
of malocclusion deformity.It is worthy of in the clinical application.

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更新日期/Last Update: 2018-10-12