ArticleMaterials (Basel, Switzerland)2024
The Influence of the Diameter of Orthodontic Mini-Implants on Primary Stability: Bending Tests-An In Vitro Study.
Article in Materials (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Effect of Collar Diameter and Simulated Aging on the Orthogonal Load Resistance of Orthodontic Miniscrews.Materials (Basel, Switzerland) · 2026Article
- Biomechanical performance of poly-ether-ether-ketone (PEEK) vs. titanium orthodontic mini-screws in artificial bone: AnJournal of orthodontic science · 2026Article
- Evaluation of Computer-Aided Navigation and Augmented Reality for Bicortical Mini-Implant Placement in Maxillary Expansion: An In Vitro Study.Bioengineering (Basel, Switzerland) · 2025Article
- Evaluation of Orthodontic Mini-Implants' Stability Based on Insertion and Removal Torques: An Experimental Study.Bioengineering (Basel, Switzerland) · 2025Article
- Study on the Reasonability of Single-Objective Optimization in Miniscrew Design.Materials (Basel, Switzerland) · 2025Article
Corrections and comments
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Authors and funding
7 authors.
Funding
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Abstract
Orthodontic Mini-Implants have a high success rate, but it is crucial to assess the load that they bear in order to maintain their primary stability. Increasing the diameter can improve this stability, but there are limitations due to the proximity of the tooth roots. To avoid damage, smaller diameters are used, which can decrease resistance and cause permanent deformations.
objectiveThe objective of this study is to evaluate the influence of the diameter of Mini-Implants through bending force tests, taking into account primary stability after one and two insertions.
methodsHere, 40 Ti6AI4V alloy Mini-Implants of two different brands and diameters were divided into eight groups, half of which received one insertion in the artificial bone, and the rest received two. All were subjected to a constant bending force using an INSTRON-Electropuls E10000LT (Norwood, MA, USA) until fracture.
resultsThe smaller-diameter Mini-Implants were less resistant to fracture, but both were able to withstand the necessary loads produced by orthodontic movements. As for the inserts, there were no statistically significant differences.
conclusionsThere is an advantage to using 1.6 mm Mini-Implants over 2.0 mm ones, as a smaller diameter does not lead to fracture due to the forces used in orthodontic treatment. Having one or two inserts did not have a statistically significant effect.
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