Clinical Study on the Occlusal Change of Skeletal Class Ⅰ Malocclusion Treated with Invisible Appliance and Fixed Appliance

Qiqi YANG; Mengting CHEN; Jiangtian HU; Ting ZHOU

doi:10.12259/j.issn.2095-610X.S20231220

Volume 44 Issue 12

Dec. 2023

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Qiqi YANG, Mengting CHEN, Jiangtian HU, Ting ZHOU. Clinical Study on the Occlusal Change of Skeletal Class Ⅰ Malocclusion Treated with Invisible Appliance and Fixed Appliance[J]. Journal of Kunming Medical University, 2023, 44(12): 127-132. doi: 10.12259/j.issn.2095-610X.S20231220

Citation:

Qiqi YANG, Mengting CHEN, Jiangtian HU, Ting ZHOU. Clinical Study on the Occlusal Change of Skeletal Class Ⅰ Malocclusion Treated with Invisible Appliance and Fixed Appliance[J]. Journal of Kunming Medical University, 2023, 44(12): 127-132. doi: 10.12259/j.issn.2095-610X.S20231220

Citation:

Qiqi YANG, Mengting CHEN, Jiangtian HU, Ting ZHOU. Clinical Study on the Occlusal Change of Skeletal Class Ⅰ Malocclusion Treated with Invisible Appliance and Fixed Appliance[J]. Journal of Kunming Medical University, 2023, 44(12): 127-132. doi: 10.12259/j.issn.2095-610X.S20231220

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Clinical Study on the Occlusal Change of Skeletal Class Ⅰ Malocclusion Treated with Invisible Appliance and Fixed Appliance

doi: 10.12259/j.issn.2095-610X.S20231220

Dept. of Orthodontics，Affiliated Stomatological Hospital of Kunming Medical University，Kunming Yunnan 650031，China

Received Date: 2023-10-06
Available Online: 2023-12-19
Publish Date: 2023-12-25

Abstract

Abstract

Objective To compare the clinical efficacy of invisible appliance and fixed appliance in the treatment of skeletal class I malocclusion. Methods A prospective cohort study with a minimum sample size of no less than 19 subjects in each group was used, and 46 adult patients with bone type I were eventually enrolled. According to the type of appliance, they were divided into the invisible appliance group（group A） with 25 patients and the fixed appliance group（group B） with 21 patients . Data were analyzed before orthodontic treatment（T0） after（T1） between invisible and traditional fixed orthodontics. Results The static occlusion index and PAR score were improved after treatment, and the differences were statistically significant（P< 0.01）. The occlusal dynamic parameters including OT, OFAT, OFPT, AOF and DT were significantly improved after treatment（P< 0.01）. There were significant differences in AOF, forward and lateral DT between the two groups（P< 0.01）, the invisible group was better than the fixed group. Conclusion Both the dynamic and static occlusal changes can be greatly improved with invisible and fixed appliance in the treatment of patients with class I malocclusion. Invisible appliance is better than fixed appliance in balancing occlusion, eliminating and reducing occlusal interference.
- Invisible appliance,
- Fixed appliance,
- PAR index,
- Dynamic occlusion,
- T-scan

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References(16)

References

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