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A new method to correct lingual rolling of lower molars (Amini twister).

A new method to correct lingual rolling of lower molars (Amini twister).

International journal of orthodontics (Milwaukee, Wis.) (2013-06-05)

Fariborz Amini, Maryam Poosti

RESUMO

In this report, we present an uncomplicated approach to overcome lingual rolling of mandibular molars during orthodontic treatment, by using rectangular NiTi arch wire in twist fashion through the molar tube. The sequential steps of the twist manoeuvre on a typodont and a case report are exhibited in this article.

MATERIAIS

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Raney^®-Nickel, W.R. Grace and Co. Raney^® 2800, slurry, in H₂O, active catalyst

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Nickel, nanopowder, <100 nm avg. part. size, ≥99% trace metals basis

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Raney^®-Nickel, W.R. Grace and Co. Raney^® 2400, slurry, in H₂O, active catalyst

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Nickel, powder, <50 μm, 99.7% trace metals basis

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Nickel, powder, <150 μm, 99.99% trace metals basis

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Nickel, foil, thickness 0.125 mm, ≥99.9%

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Nickel, wire, diam. 0.25 mm, ≥99.9%

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Nickel, powder, <1 μm, 99.8% trace metals basis

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Nickel, foil, thickness 0.5 mm, 99.98% trace metals basis

Sigma-Aldrich

Nickel, foil, thickness 0.1 mm, 99.98% trace metals basis

Sigma-Aldrich

Nickel, foil, thickness 0.25 mm, 99.995% trace metals basis

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Nickel, rod, diam. 6.35 mm, ≥99.99% trace metals basis

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Nickel, wire, diam. 0.5 mm, ≥99.99% trace metals basis

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Nickel, sputtering target, diam. × thickness 2.00 in. × 0.25 in., 99.95% trace metals basis

Sigma-Aldrich

Nickel, wire, diam. 0.5 mm, ≥99.9% trace metals basis