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1 de ago. de 2022 · 2.4. Miniscrew Fracture. Increased torque placement could cause miniscrew bending or fracture that not only affects the miniscrew stability but may also requires surgical intervention. Miniscrew fracture has been reported and caused a sinus tract, and the fractured tips had to be removed surgically [13, 45].
From the 4987 miniscrew implants used in 2281 patients, the overall failure rate was 13.5% (95% confidence interval, 11.5-15.8). Failures of miniscrew implants were not associated with patient sex or age and miniscrew implant insertion side, whereas they were significantly associated with jaw of insertion.
1 de ene. de 2015 · Although extensive literature exists on use of temporary anchorage devices, their failures have been hardly focused upon, especially implant fracture. The following case report describes successful management of fractured orthodontic mini-implant.
Risks and complications of orthodontic miniscrews. The risks associated with miniscrew placement should be clearly understood by both the clinician and the patient. Complications can arise during miniscrew placement and after orthodontic loading that affect stability and patient safety.
5 de may. de 2021 · Adverse events were also reported after miniscrew removal and included secondary bleeding, miniscrew fracture, scars, and exostosis. Conclusions These findings highlight the need for clinicians to preliminarily assess generic and specific insertion site complications and side effects.
1 de nov. de 2014 · Most fracture is occurred at the neck through cortical bone because mechanical stress in the miniscrew is concentrated at that point. To prevent the fracture, a screwdriver has to be turned slowly without changing the axis.
21 de feb. de 2020 · Miniplates provide strong anchorage, have high success rates, a low probability of root damage, and low risk of fracture as advantages; however, the need for surgery and high cost are their disadvantages.
