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Published: 2022-06-15
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DOI: https://doi.org/10.52852/tcncyh.v155i7.762
Issue
Vol. 155 No. 7 (2022)
Section
Các bài báo
How to Cite
Hồng, V. T. T. ., Thảo, Đỗ L. P. ., & Phương, N. T. T. . (2022). 5. Jawbone’s indexes changes after treatment of class II division 1 malocclusion with four premolar extraction. Journal of Medical Research, 155(7), 26-33. https://doi.org/10.52852/tcncyh.v155i7.762

5. Jawbone's indexes changes after treatment of class II division 1 malocclusion with four premolar extraction

Vo Thi Thuy Hong, Do Le Phuong Thao, Nguyen Thi Thu Phuong

Main Article Content

Abstract

This study determined the change of the jawbone's indexes in the anterior-posterior, and vertical dimensions on Cephalometrics of class II division 1 malocclusion patients with extraction of four premolars. After treatment, SNA angle decreased by 0.15 ± 2.26o and the SNB angle increased by 0.15 ± 1.56o but there was no statistical significance. The indexes GoGn-SN, N-Me changed less than 1o, 1mm with no statistical significance. Thus, on analysis of Cephalometrics film, there was no change of the anterior-posterior and vertical dimensions of the maxillary and mandibular bones of the class II devision 1 malocclusion patients with extraction of four premolars.

Article Details

Keywords

class II division 1, extraction of premolars, cephalometrics

References

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