PASS矫治器与无托槽隐形矫治器治疗安氏Ⅱ类错𬌗畸形的疗效比较

doi:10.19439/j.sjos.2026.02.009

摘要/Abstract

摘要： 目的:比较生理性支抗Spee弓（physiological anchorage Spee's-wire system, PASS）矫治器与无托槽隐形矫治器治疗安氏Ⅱ类错𬌗畸形的效果。方法:选择青海省交通医院2023年11月—2024年12月收治的80例安氏Ⅱ类错𬌗畸形患儿,随机分为PASS组和隐形组,每组各40例。分析患儿正畸效果、影像学软硬组织指标、牙周指标、并发症、咀嚼功能及口腔健康状况。结果:矫治后6个月,PASS组同行评估等级指数（peer assessment rating, PAR）评分显著低于隐形组（P<0.05）。矫治后,两组上颌中切牙与NA连线交角（U1-NA角）较矫治前减小,下颌中切牙与NB连线交角（L1-NB角）较矫治前增大,PASS组较隐形组改善更显著（P<0.05）;两组矫治前后上、下牙槽座角（SNA、SNB）相比无显著差异（P>0.05）。矫治后,两组上、下颌唇突度（ULP、LLP）较矫治前减小,上下唇突点与颏前点切线和眼耳平面夹角（Z角）较矫治前增大,PASS组较隐形组改善更显著（P<0.05）。矫治后,两组探诊深度（probing depth, PD）、出血指数（bleeding index, BI）、牙龈指数（gingival index, GI）水平较矫治前显著增加（P<0.05）,隐形组与PASS组矫治后PD、BI和GI相比无显著差异（P>0.05）。矫治后,两组咬合力、咀嚼效率较矫治前显著增加（P<0.05）,PASS组增加更显著（P<0.05）。矫治后,两组5条目口腔健康影响程度量表（Oral Health Impact Profile-5, OHIP-5）评分显著降低,PASS组降低更显著（P<0.05）。结论:PASS矫治器治疗安氏Ⅱ类错𬌗畸形的临床疗效较好,可有效改善患儿软硬组织指标及咀嚼功能。无托槽隐形矫治器对患儿牙周组织影响较小,口腔健康程度更好。

关键词: 安氏Ⅱ类错𬌗畸形, 无托槽隐形矫治器, PASS矫治器, 牙周健康, 咀嚼功能

Abstract: PURPOSE: To compare the orthodontic effects of physiological anchorage Spee's-wire system(PASS) appliance and Clear aligner in Angle Class Ⅱ malocclusion. METHODS: A total of 80 patients with Angle Class Ⅱ malocclusion admitted to Qinghai Provincial Communications Hospital from November 2023 to December 2024 were selected and randomly divided into PASS group and Clear aligner group, with 40 cases in each group. The orthodontic effects, imaging indicators of soft and hard tissues, periodontal indicators, complications, masticatory function and oral health of the patients were compared and analyzed. Results: At 6 months after orthodontic treatment, the peer assessment rating（PAR） score of the PASS group was lower than that of the Clear aligner group (P<0.05). After treatment, U1-NA angle decreased and L1-NB angle increased in both groups, the improvement in the PASS group was more significant than that in the Clear aligner group (P<0.05). There was no significant difference in SNA and SNB between the two groups before and after orthodontic treatment (P>0.05). After treatment,upper and lower lip protrusion (ULP, LLP) decreased, while the Z-angle increased in both groups, the improvement in the PASS group was more significant than that in the Clear aligner group(P<0.05). After treatment, the probing depth (PD), bleeding index (BI) and gingival index (GI) levels of the two groups were significantly higher than those before treatment (P<0.05). There was no significant difference in PD, BI and GI between the two groups after treatment (P>0.05). After treatment, the bite force and chewing efficiency of both groups were significantly increased compared to pre-treatment (P<0.05), and the increase was more significant in the PASS group (P<0.05). After orthodontic treatment, the scores of the Oral Health Impact Profile-5 (OHIP-5) in both groups decreased significantly, and the decrease was more significant in the PASS group(P<0.05). CONCLUSIONS: The clinical efficacy of PASS appliance in the treatment of Angle Class Ⅱ malocclusion is good, which can effectively improve the soft and hard tissue indexes and masticatory function of patients, while the Clear aligner has little side effect on the periodontal tissue of patients, and the degree of oral health is better.

Key words: Angle Class Ⅱ malocclusion, Clear aligner, PASS appliance, Periodontal health, Masticatory function

中图分类号:

R783.5

刘鲁慧, 李洁, 马娟, 王栋, 石镜波. PASS矫治器与无托槽隐形矫治器治疗安氏Ⅱ类错𬌗畸形的疗效比较[J]. 上海口腔医学, 2026, 35(2): 165-170.

Liu Luhui, Li Jie, Ma Juan, Wang Dong, Shi Jingbo. Comparison of the orthodontic effects of PASS appliance and Clear aligner in Angle Class Ⅱ malocclusion[J]. Shanghai Journal of Stomatology, 2026, 35(2): 165-170.

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