Hisham Sabbagh, Aladin Sabbagh, Mila Janjic Rankovic, Christine Huber, Andrea Wichelhaus, Lea Hoffmann
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引用次数: 0
摘要
目的：研究一种混合固定功能矫治器（FFA）在 II 类 1 分区治疗中使用不同力量大小对骨骼和牙齿的影响：对 70 名患者的治疗记录进行评估：方法： 对 70 名患者的治疗记录进行评估：35 名患者使用标准激活的 FFA（SUS 组）进行治疗，35 名患者使用带有额外发力弹簧的 FFA（TSUS 组）进行治疗。从美国正畸医师协会基金会（AAOF）颅面生长遗产库中选取了两个对照组与两个治疗组进行比较，以确定骨骼和牙齿的治疗效果。在 T0（治疗前）和 T1（脱髁前）时，采用慕尼黑标准头颅测量分析法和根据 Pancherz 的矢状咬合分析法（SO）评估头颅测量参数。数据使用 SPSS 进行统计分析：在 T0 和 T1 的测量中，SUS 组和 TSUS 组的任何头形测量参数都没有明显的统计学差异。两个治疗组都表现出有效的 II 级治疗，主要原因是 SNA 和 ANB 显著降低，SNB 增加。与对照组相比，治疗组的骨骼等级达到了 I 级：采用标准激活 FFA（SUS）治疗的患者组和采用附加弹簧（TSUS）治疗的患者组在头形测量参数方面没有明显的统计学差异。两种变体在治疗二类一等畸形方面同样有效。
Influence of the force magnitude of fixed functional appliances for class II subdivision 1 treatment-a cephalometric study.
Purpose: To investigate the skeletal and dental effects of a hybrid fixed functional appliance (FFA) used with different force magnitudes for class II subdivision 1 treatment.
Methods: Treatment records from 70 patients were evaluated: 35 patients were treated with a FFA with standard activation (SUS group) and 35 with a FFA with an additional force-generating spring (TSUS group). Two control groups were matched from the American Association of Orthodontists Foundation (AAOF) Craniofacial Growth Legacy Collection for comparison with the two treatment groups to determine skeletal and dental treatment effects. The cephalometric parameters at T0 (before treatment) and T1 (before debonding) were assessed using the Munich standard cephalometric analysis and by the sagittal occlusal analysis (SO) according to Pancherz. Data were analyzed statistically using SPSS.
Results: No statistically significant difference for any cephalometric parameter was observed between the SUS and TSUS groups concerning the measurements at T0 and T1. Both treatment groups exhibited an effective class II therapy mainly due to a significant reduction in SNA, and ANB and an increase in SNB. In contrast to the control group, as the result of treatment a skeletal class I was achieved.
Conclusion: No significant statistical differences were observed between the patient group treated with the FFA with standard activation (SUS) and those treated with an additional spring (TSUS) regarding the cephalometric parameters investigated. Both variants were equally effective in treating class II division 1 malocclusions.
期刊介绍：
The Journal of Orofacial Orthopedics provides orthodontists and dentists who are also actively interested in orthodontics, whether in university clinics or private practice, with highly authoritative and up-to-date information based on experimental and clinical research. The journal is one of the leading publications for the promulgation of the results of original work both in the areas of scientific and clinical orthodontics and related areas. All articles undergo peer review before publication. The German Society of Orthodontics (DGKFO) also publishes in the journal important communications, statements and announcements.
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