Conventional Twin-Block Versus Cervical Headgear and Twin-Block Combination: Therapeutic Effects on the Craniofacial Structures in Growing Subjects.

IF 0.8 Q4 DENTISTRY, ORAL SURGERY & MEDICINE
Beytullah Gülsoy, Mehmet Ali Yavan
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引用次数: 0

Abstract

Objective: To compare the short-term effects of the conventional twin-block (TB) appliance and the cervical headgear TB (CHG-TB) appliance on craniofacial structures.

Methods: The retrospective controlled study examined lateral cephalograms taken from 46 growing subjects. Individuals were divided into two groups according to the treatment. Group I consisted of 15 individuals (9 girls, 6 boys, mean age: 12.34±1.23 years) treated with the TB appliance and Group II consisted of 16 individuals (9 girls, 7 boys) treated with the CHG-TB appliance (mean age: 12.50±1.30 years). To distinguish the treatment effects of these appliances on growth, a control group of 15 untreated individuals (9 girls, 6 boys, mean age: 11.82±1.16 years) was included from the archives.

Results: Significant improvements were found in the interdental and maxillo-mandibular measurements in the treatment groups (p<0.001). Significant differences were observed in the SNA, SN/PP, and SN/GoGn values in the CHG-TB group compared to other groups (p<0.05). The mandible showed a significant downward movement in both treatment groups compared with the control group (p<0.001), while the change in SNB angle was statistically significant only in the TB group compared to the control group (p<0.05). Lower incisors showed significant proclination only in the TB group (p<0.05).

Conclusion: The CHG-TB appliance was found to be more effective in limiting maxillary growth and preventing lower incisor proclination compared with the TB appliance, whereas the TB appliance was more effective in anterior mandibular movement.

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传统双块与颈戴式头戴式头枕及双块组合:对成长期受试者颅面结构的治疗效果。
目的:比较传统双块(TB)矫治器和颈戴式TB矫治器对颅面结构的短期影响。方法:回顾性对照研究检查了46名生长期受试者的侧位头影。根据治疗将个体分为两组。第一组由15名接受TB矫治器治疗的患者(9名女孩,6名男孩,平均年龄:12.34±1.23岁)组成,第二组由16名接受CHG-TB矫治剂治疗的患者组成(9名男孩,9名女孩)(平均年龄:12.50±1.30岁)。为了区分这些矫治器对生长的治疗效果,从档案中纳入了一个由15名未经治疗的个体组成的对照组(9名女孩,6名男孩,平均年龄:11.82±1.16岁)。结果:治疗组的齿间和上下颌测量结果有显著改善(P结论:与TB矫治器相比,CHG-TB矫治具在限制上颌生长和防止下切牙向内旋方面更有效,而TB矫治剂在下颌前移动方面更有效。
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来源期刊
Turkish Journal of Orthodontics
Turkish Journal of Orthodontics Dentistry-Orthodontics
CiteScore
2.10
自引率
9.10%
发文量
34
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