• Yarong Shi, Lei Mi, Jie Liu, Xiaoyao Liu, and Yanan Hao.
• Yarong Shi, Department of Stomatology, Yulin First Hospital, Yulin, Shaanxi Province 719000, P.R. China.
• Pak J Med Sci. 2024 Nov 1; 40 (10): 229322982293-2298.

ObjectiveMicro implant anchorage (MIA), as a new orthodontic treatment technique, has the characteristics of simple operation, light trauma, and high stability, and has been widely used in clinical practice. This study compared the therapeutic effects of MIA and the traditional straight wire appliance (SWA) in orthodontic practice.MethodsClinical data of 119 patients who underwent orthodontic treatment in Yulin First Hospital from January 2022 to January 2023 were retrospectively analyzed. According to the treatment records, 61 patients received MIA orthodontic treatment (MIA group), and 58 patients received traditional straight wire appliance (SWA) orthodontic treatment (SWA group). Treatment effect, periodontal index, and levels of osteoprotegerin (OPG), interleukin-6 (IL6) and high-sensitivity C-reactive protein (hsCRP) of the two groups were compared.ResultsThe total efficacy of MIA group was significantly higher than that of SWA group (P<0.05). After the treatment, bleeding index (BI), plaque index (PLI), probing depth (PD) and looseness in the MIA group were significantly lower than those in the SWA group (P<0.05). After the treatment, levels of OPG were significantly higher, while IL6 and hsCRP levels were significantly lower in the MIA compared to the SWA group (P<0.05). MIA was associated with significantly lower complication rate compared to the SWA (P<0.05).ConclusionsCompared with SWA, MIA is associated with better orthodontic effect. This mode of treatment can increase OPG levels, reduce inflammation, and lower the risk of complications.Copyright: © Pakistan Journal of Medical Sciences.

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