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Publishing Language: Chinese | Open Access

To lower elongation molar with micro implant anchorage nail and Ni-Ti coil spring: a clinical study

Yue-ling XIE1( ), Chu-feng LIU2
Department of Stomatology, traditional Chinese Medicine Hospital of Maoming City in Guangdong Province, Maoming 525000, China
Department of Orthodontics, Stomatological Hospital of Southern Medical University, Guangdong Provincial Stomatological Hospital, Guangzhou 510280, China
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Abstract

Objective

To investigate the clinical effects of micro implant anchorage nail and Ni-Ti coilspring to lower the elongation molar.

Methods

60 patients with the first maxillary molar elongation were divided into 2 groups. 30 of them were treated with micro implant anchorage nail and Ni-Ticoil spring to lower the molar (observation group), and the other 30 patients were treated with segmental arch to lower the molar (control group). The average lowering time, depth and pain degree of the 2 groups were compared.

Results

The average lowering time was faster and the overage lowering depth was greater in the observation group than that in the control group; the slight pain rate in the observation group was significantly higher than that in the control group (P <0.05), while the ratio of moderate pain and severe pain was significantly lower than that in the control group (P <0.05).

Conclusion

To lower the elongation molar with micro implant anchorage nail and Ni-Ti coilspring might have shorter course and less pain.

Keywords

Elongation molarMicro implant anchorage nailNi-Ti coil springPain degreeLowering time
CLC number: R783.5 Document code: A Article ID: 2096-1456(2017)-0231-04

References

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Journal of Prevention and Treatment for Stomatological Diseases
Volume 25 Issue 4,
April 2017
Pages 231-234
DOI: 10.12016/j.issn.2096-1456.2017.04.006

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Cite this article:
XIE Y-l, LIU C-f. To lower elongation molar with micro implant anchorage nail and Ni-Ti coil spring: a clinical study. Journal of Prevention and Treatment for Stomatological Diseases, 2017, 25(4): 231-234. https://doi.org/10.12016/j.issn.2096-1456.2017.04.006

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Received: 26 September 2016
Revised: 16 November 2016
Published: 20 April 2017
© 2017 by Editorial Department of Journal of Prevention and Treatment for Stomatological Diseases

This article is licensed under a Creative Commons Attribution 4.0 International License.