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May 2021
Volume 55, Issue 5

THE EDITOR'S CORNER

That Insidious Torque

ROBERT G. KEIM DDS, EdD, PhD

The concept of torque has a somewhat different meaning in orthodontics than in general usage. In the vernacular, torque is any force that induces an object to spin. Think of a wrench. You fit the head...

264

Tip and Torque Control in Complex Extraction Treatment with Preadjusted Lingual Appliances

ENRICO ALBERTINI DDS, PAOLO ALBERTINI DDS, LUCA LOMBARDO DDS, GIUSEPPE SICILIANI DDS

Drs. Albertini, Albertini, Lombardo, and Siciliani describe two multidisciplinary adult extraction cases (one presurgical) in which outstanding results were achieved with a preadjusted lingual system and simple sliding mechanics. Keys to anterior tip and torque control are highlighted.

265

CASE REPORT

Alternative Treatment Plan for a Multidisciplinary Transfer Case

MARIA A. KARPOV DMD, MS, DANIEL A. KUNCIO DDS

A previous orthodontist had recommended premolar extractions to correct this mild skeletal Class III. Drs. Karpov and Kuncio instead use a miniscrew-anchored rapid palatal expander and a corticotomy, followed by custom archwires, to achieve the needed skeletal and dental changes.

283

ALIGNER CORNER

Evaluation of Composite Attachment Positions Using Four Indirect Bonding Tray-Sectioning Techniques

ZESHENG CHEN DMD, MS, CHRISTINA L. NICHOLAS PhD, GHADEER THALJI DDS, PhD, GRACE VIANA MSc, PHIMON ATSAWASUWAN DDS, MS, MSc, PhD

Dr. Chen and colleagues measure the deviation of posterior attachments from ideal positions after indirect bonding to 3D-printed models. Template trays were sectioned in four different ways (whole, halves, thirds, and sixths) for testing of bonding accuracy.

294

PEARLS

Occlusal Build-Ups to Prevent Compensatory Mandibular Molar Eruption During Maxillary Molar Intrusion

SUNG-HOON LIM DDS, MSD, PhD, JAE HYUN PARK DMD, MSD, MS, PhD

Posterior resin turbos, as often used in deep-bite cases, can be applied to control the vertical dimension during presurgical or anterior open-bite treatment. A step-by-step technique is presented, along with a procedure for sequential additions to the build-ups.

305

Continuing Education from the May 2021 Issue (questions only)

Click here to download a PDF of the printed questions from the journal for reference. CE tests must be taken online. See the link to continuing education on the menu bar at the top of the screen.

307

Product News in May 2021 Issue

PRODUCT NEWS is presented as a service to the reader and in no way implies endorsement by JCO.

309

2021 Eugene L. Gottlieb JCO Student of the Year: Dr. Amanda Gross

PHILIP B. VOGELS

The sixth JCO Student of the Year is also the second from Texas A&M University in Dallas. In this brief interview, Dr. Amanda Gross responds to questions about her career path, educational experiences, and orthodontic philosophies.

310

CASE REPORT

Treatment of Open-Bite Tendency with a Miniscrew-Supported Transpalatal Arch and Myofunctional Exercises

AMANDA M. GROSS DDS, MS, DEVEK K. FRECH DDS, MSD

This is the first in an online series of case reports from the three finalists for the 2021 JCO Student of the Year Award. Dr. Gross describes her successful treatment of an anterior open bite with dental protrusion and severe crowding.

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