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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].
- Surgical Management of Fractured Orthodontic Mini- Implant- A Case ...
Although extensive literature exists on use of temporary...
- Surgical Management of Fractured Orthodontic Mini- Implant- A Case ...
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.
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.
Miniscrew fracture The miniscrew head could fracture from the neck of the shaft during removal. The authors recommend a minimum diameter of 1.6 mm for self-drilling miniscrews that are 8 mm or longer placed in dense cortical bone.
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.
20 de sept. de 2022 · Mandibular buccal shelf miniscrews, used for distalization, play a particularly important role in treatment of Class III malocclusion. Unfortunately, stability of the miniscrews placed in the mandible is still considered at higher risk of failure compared to other intraoral locations.
