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June 2004
Volume 38, Issue 6

THE EDITOR'S CORNER

Expense or Investment?

ROBERT G. KEIM, DDS, EDD, PHD

Editor's Note: To respond to this commentary,post a message in the JCO OnlineForum under the heading "Feedback".Expense or Investment?Did you ever have one of those days when it seemslike the only thi...

317

Use of Tip-Edge Brackets to Reduce Posterior Anchorage Requirements after Molar Distalization

JOHN K. KAKU, DDS, MSD, HIROHIDE ARIMOTO, DDS, PHD, NORIYUKI SINOHARA, DDS, RAPHAEL GREENFIELD, DDS, MSD

Many appliances have been introduced inrecent years to move the maxillary molarsdistally, with the objective of overcorrecting aClass II malocclusion or creating space for alignmentof a crowded maxill...

320

Microscrew Anchorage for Molar Intrusion

YEON-JOO CHANG, DDS, MSD, HYUN-SOOK LEE, DDS, YOUN-SIC CHUN, DDS, MSD, PHD

Molar extrusion is a common problem inadults, caused by the loss or infraocclusionof the opposing teeth. The simplest way to correctan extruded molar is to reduce its crown, butthis may require endodo...

325

CASE REPORT

A Late-Developing Supernumerary Premolar

ROSALIA LEONARDI, DDS, MS, ERSILIA BARBATO, DDS, MS

Supernumerary teeth can interferewith occlusal developmentand orthodontic mechanicssuch as space closure.1-4 Ifsupernumeraries are not identifiedearly enough, complicationscan lead to resorption of ot...

331

OVERVIEW Physical and Mechanical Properties Affecting Torque Control

RUPALI KAPUR-WADHWA, BDS, DMD, MS

Third-order control is critically important duringorthodontic treatment to optimize rootangulations so that the long axes are centered inthe alveolar trough. A torquing force can currentlybe applied b...

335

CLINICAL AID Add Color to Self-Ligating Systems While Reducing Emergencies

ROLF MAIJER, DDS, DOrth, DR. PETER LAMARK

Self-ligating bracket systems,whether passive or active,have two problems for today'spatients:1. They don't allow the use ofcolorful elastomeric ligatures.2. Highly flexible initial archwirescan work ...

341

A New Device for Forced Eruption of Palatally Impacted Canines

ALBERTO CAPRIOGLIO, DDS

Many techniques have been proposed formoving a palatally impacted canine into thearch following surgical exposure.1-6 Direct bondingof an eyelet and traction with a stainless steelligature is relative...

342

Customized Bracket Positioning with Level Marginal Ridges

ANTONIO MANNI, DDS, MSD, ROBERTO GRASSI, MD, DDS, PHD, MASSIMO CARBONE

Several landmarks have been proposed fordetermining the positions of preadjustedbrackets. Andrews chose the center of the clinicalcrown1; McLaughlin and Bennett calculatedbracket heights statistically...

348

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