双链法对正畸牙牙间隙关闭的影响

赵婵媛; 王杨洋; 王美艳; 王敬; 霍峰; 王鹏

doi:10.16098/j.issn.0529-1356.2020.01.012

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解剖学报 ›› 2020, Vol. 51 ›› Issue (1) : 66-71. DOI: 10.16098/j.issn.0529-1356.2020.01.012

解剖学

双链法对正畸牙牙间隙关闭的影响

赵婵媛¹王杨洋¹ 王美艳² 王敬¹ 霍峰¹ 王鹏^1*

作者信息 +

Effect of double chain method on the closure of orthodontic teeth

ZHAO Chan-yuan¹ WANG Yang-yang¹ WANG Mei-yan² WANG Jing¹ HUO Feng¹ WANG Peng^1*

Author information +

文章历史 +

摘要

目的探讨双链法关闭正畸牙牙间隙的安全性及有效性。方法选取72例不同上下颌牙列间隙的正畸患者，测量正畸治疗前后上下颌第一磨牙之间的所有牙齿的牙髓活力值，并进行统计学分析评估牙髓活力的安全性；使用双链法关闭正畸牙牙列间隙，分为拔牙组和不拔牙组各36例，观察周期为4周，测量成年组和未成年组的上下颌牙齿槽间距的治疗前后变化，计算正畸治疗前后总齿槽间距的差异，并进行统计学分析评估间隙关闭的有效性。结果所有72例患者，治疗后未发现牙髓坏死及牙髓变性，治疗前后牙髓活力无改变，差异无统计学意义（P>0.05）；与矫治前相比，双链法矫治后4周，拔牙组和不拔牙组中的成年和未成年的病例上下颌槽间距值之和均明显减小，差异有统计学意义（P<0.05）。结论双链法关闭正畸牙牙列间隙不会引起牙髓变性与坏死，具有临床使用的安全性；双链法关闭正畸牙牙间隙具有有效性，同时可简化临床操作，值得临床推广。

Abstract

Objective To study the safety and effectiveness of the double chain method on the closure of the space of the teeth. Methods Totally 72 cases of different maxillary and mandible dentition space were included in the study. The pulp vitality was measured before and after treatment, the maxillary and mandible first molar teeth. All values were compared to assess the safety of dental pulp vitality. There were 36 cases in tooth extraction group and non-tooth extraction group.The observation period was 4 weeks,the changes of the alveolar space between maxillary and mandible teeth in adult and minor groups were measured before and after treatment. The difference of the total groove spacing before and after treatment were calculated and compared, to assess the effectiveness of space closure. Results In all 72 patients, there was no significant difference in the vitality of the pulp before and after treatment (P>0.05). Compared to before treatment,the sum of the distance between the upper and lower mandibular groove using the double chain method was significantly reduced for both adult and juvenile patients in the four week tooth extraction group and the nontooth extraction group,the difference was statistically significant (P<0.05). Conclusion Double chain closed teeth space does not cause pulp degeneration and necrosis. It is safe in clinical practice. Double chain method is effective, and can simplify the clinical operation.

导出引用

赵婵媛王杨洋王美艳王敬霍峰王鹏. 双链法对正畸牙牙间隙关闭的影响[J]. 解剖学报. 2020, 51(1): 66-71 https://doi.org/10.16098/j.issn.0529-1356.2020.01.012

ZHAO Chan-yuan WANG Yang-yang WANG Mei-yan WANG Jing HUO Feng WANG Peng. Effect of double chain method on the closure of orthodontic teeth[J]. Acta Anatomica Sinica. 2020, 51(1): 66-71 https://doi.org/10.16098/j.issn.0529-1356.2020.01.012

中图分类号： R783.5

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