Abstract
Introduction: Tooth movements require a stable base. The most stable endo-buccal base is bone, thus temporary bone-anchoring techniques have been well developed to date. Literature review of different bone-anchoring techniques reveals limitations in their regular use, particularly when it comes to mini-screw stability. The purpose of this paper is to present a reliable temporary bone-anchoring technique pushing the limits of orthodontic treatments. Technique: The device is made of one to two micro-screws connected to a steel or titanium molybdenum alloy (TMA ® ) wire going through one or two loops. The device is then inserted into the bony base after a mucoperiosteal incision. The connecting arm, which emerges through the mucosa, is then connected to the teeth to be pulled in a direct or indirect manner. Comments: This device provides advantages in terms of reliability, versatility of orthodontic movements, simplicity in terms of protocol installation and removal, and poses no anatomical risk. Conclusion: This is an orthodontic surgical technique that provides a real benefit to the patient.
Highlights
Temporary bone-anchoring devices have revolutionized biomechanics, and orthodontic treatment [1]
The failure rate rises to 13.5% according to Papageorgiou’s 2012 literature review [2]
The micro-screws are osteosynthesis screws measuring 5 mm in length by 2 mm in diameter, intended to be placed under the gingival mucosa [5]. They are thread-forming, selftapping, and self-gripping, allowing one-handed insertion with an appropriate screwdriver. They are made of TiAl6V4 titanium alloy, ensuring their biocompatibility [6]
Summary
Abstract -- Introduction: Tooth movements require a stable base. The most stable endo-buccal base is bone temporary bone-anchoring techniques have been well developed to date. Literature review of different boneanchoring techniques reveals limitations in their regular use, when it comes to mini-screw stability. The purpose of this paper is to present a reliable temporary bone-anchoring technique pushing the limits of orthodontic treatments. Technique: The device is made of one to two micro-screws connected to a steel or titanium molybdenum alloy (TMA®) wire going through one or two loops. Comments: This device provides advantages in terms of reliability, versatility of orthodontic movements, simplicity in terms of protocol installation and removal, and poses no anatomical risk. Conclusion: This is an orthodontic surgical technique that provides a real benefit to the patient
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