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An Intrusion Screw System for Miniscrew-Assisted Maxillary Molar Intrusion

Intrusion of overerupted molars is difficult to achieve in adult patients with conventional mechanics. Dr. Derton and colleagues use segmental posterior archwires to control torque with skeletal support from three miniscrews: two buccal interradicular and one palatal.

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KEVIN PIZARRO, BDS, FDS, DOrth, MOrth, RCS

KEVIN PIZARRO, BDS, FDS, DOrth, MOrth, RCS
Dr. Pizarro was a postgraduate student at the University of Wales College of Medicine and is now in private practice in Spain.

MALCOLM L. JONES, BDS, MSC, PHD, FDS, DOrth, RCS

MALCOLM L. JONES, BDS, MSC, PHD, FDS, DOrth, RCS
Dr. Jones is a Senior Lecturer and Consultant in Orthodontics in the Department of Child Dental Health, Dental School, University of Wales College of Medicine, Heath Park, Cardiff CF4 4XY, Wales.

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