Orthodontic miniscrews (MSs) are used for enhancing orthodontic anchorage either by supporting the teeth of the reactive unit or by obviating the need for the reactive unit altogether. Despite MSs’ popularity, their clinical application is not lacking in complications. The limited space of the insertion site (inter-radicular space), temporary use (limiting osseointegration) and the neces- sity to minimize the biological cost of insertion (bone incision) required the size of this auxiliary to be reduced, making it susceptible to mechanical failure. This review aimed to investigate factors influencing MS plastic deformation and fracture. The search applied five engines: PubMed, PMC, Web of Science, Scopus, Embase, and Ebsco. Quality assessment was performed according to the QUIN tool. After a thorough search process, 22 articles were included in this review. The most im- portant factor influencing miniscrews’ plastic deformation and fracture was the screw diameter. The MS length and metal alloy did not influence its plastic deformation or fracture. The cylindrical de- sign of the screw is preferable. If the cortical bone thickness in the insertion site exceeds 3 mm, pre- drilling upon insertion is recommended. Orthodontic MSs should not be reused. There is a need for high-quality clinical studies on the subject of MS deformation and fracture. The PROSPERO number is CRD42024509895.

Fracture and deflection of orthodontic miniscrews—a systematic review / Stefaniak, Katarzyna; Jedliński, Maciej; Mazur, Marta; Janiszewska-Olszowska, Joanna. - In: APPLIED SCIENCES. - ISSN 2076-3417. - 14:13(2024). [10.3390/app14135577]

Fracture and deflection of orthodontic miniscrews—a systematic review

Mazur, Marta
Penultimo
Formal Analysis
;
2024

Abstract

Orthodontic miniscrews (MSs) are used for enhancing orthodontic anchorage either by supporting the teeth of the reactive unit or by obviating the need for the reactive unit altogether. Despite MSs’ popularity, their clinical application is not lacking in complications. The limited space of the insertion site (inter-radicular space), temporary use (limiting osseointegration) and the neces- sity to minimize the biological cost of insertion (bone incision) required the size of this auxiliary to be reduced, making it susceptible to mechanical failure. This review aimed to investigate factors influencing MS plastic deformation and fracture. The search applied five engines: PubMed, PMC, Web of Science, Scopus, Embase, and Ebsco. Quality assessment was performed according to the QUIN tool. After a thorough search process, 22 articles were included in this review. The most im- portant factor influencing miniscrews’ plastic deformation and fracture was the screw diameter. The MS length and metal alloy did not influence its plastic deformation or fracture. The cylindrical de- sign of the screw is preferable. If the cortical bone thickness in the insertion site exceeds 3 mm, pre- drilling upon insertion is recommended. Orthodontic MSs should not be reused. There is a need for high-quality clinical studies on the subject of MS deformation and fracture. The PROSPERO number is CRD42024509895.
2024
orthodontic mini-implants; orthodontic screw; TAD; miniscrew; skeletal anchorage; fracture; deflection; plastic deformation; distortion
01 Pubblicazione su rivista::01g Articolo di rassegna (Review)
Fracture and deflection of orthodontic miniscrews—a systematic review / Stefaniak, Katarzyna; Jedliński, Maciej; Mazur, Marta; Janiszewska-Olszowska, Joanna. - In: APPLIED SCIENCES. - ISSN 2076-3417. - 14:13(2024). [10.3390/app14135577]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1713971
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