Biomechanics of mini-screws and adult treatment: two case reports
2 CECSMO 4 – Paris VII University – Groupe Hospitalier Pitié-Salpêtrière, Paris, France
3 DSO, MSc Orthodontics, Former professor of dentofacial orthopedics, Paris V University, Paris, France
Address for correspondence: Philippe Tuil 14-16, rue Samarcq 92100 Boulogne-Billancourt France email@example.com
Adult treatment is often hindered by the psychological, periodontal, articular and/or muscular context. Denture is often incomplete, and malocclusion is more varied.
Analysis of orthodontic mechanics is thus essential to reduce unwanted displacements and achieve treatment objectives. Mini-screws are often very useful here, ensuring rigid anchorage and enhancing treatment efficacy.
Benefit is discussed, based on two case reports: one using a slide mechanism and the other a frictionless mechanism.
Key words: Biomechanics / mini-screw / adult treatment / friction
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