N 3 (188) 2024. P. 19–24

DETERMINATION OF FACTORS INFLUENCING THE PRIMARY STABILITY OF ORTHODONTIC MINI-IMPLANTS

L. V. Smaglyuk, D. P. Shaienko, А. V. Liakhovska, V. І. Smaglyuk

Poltava State Medical University, Poltava, Ukraine

DOI 10.32782/2226-2008-2024-3-3

Relevance. Orthodontic mini-implants are often used as anchorage for orthodontic movement. There is currently no consensus on what has a decisive impact on the primary stability of mini-implants.

Methods and Materials. The study used orthodontic mini-implants with a diameter of 1.2 mm and lengths of 8 mm and 10 mm, with necks of 1.5 mm and 3 mm, which were inserted into the cortical bone of calf ribs, and their primary stability was measured using the Anycheck device.

Results and Discussion. When the mini-implants were inserted with the neck submerged by 1 mm into the bone, the indicators of primary stability were higher and significantly different from the indicators when inserted up to the neck level.

Conclusions. A significant increase in primary stability was observed when the neck of the mini-implant was submerged by 1 mm into the cortical bone plate. The torque, length of the intraosseous part and neck of the mini-implant did not have a statistically significant impact on its primary stability.

Key words: mini-implants, primary stability, anchorage, mandible, orthodontic treatment.

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