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June 2023
Volume 57, Issue 6

THE EDITOR'S CORNER

Calculating Crowding

NEAL D. KRAVITZ DMD, MS

Dental crowding is a tooth-size/arch-length discrepancy. Specifically, dental crowding is defined as the difference between the mesiodistal widths of the permanent teeth and the space available in the...

317

Fully Digital Design and Fabrication of a Telescoping Herbst Appliance

ANTONIO MANNI DDS, ALESSANDRA CAMPOBASSO DDS, FABIO ANNARUMMA DDS, PhD, FABIO ARNÒ, GIOVANNI BATTISTA DDS

The Manni Telescoping Herbst consists of a fixed palatal arch connected to a mandibular acrylic splint by means of two telescoping rods. Dr. Manni and colleagues outline a completely digital protocol for computer-aided design and 3D printing of the appliance.

318

CASE REPORT

Central-Incisor Substitution for Management of an Impacted Upper Canine

BIANCA LAU DDS, MSD

Dr. Bianca Lau, winner of the 2023 Eugene L. Gottlieb JCO Student of the Year award, presents a difficult case involving an ectopically erupting canine. Three premolars and a hopeless central incisor are extracted, and the impacted canine is moved into the incisor space.

327

MANAGEMENT & MARKETING

Leadership: Action

ANN MARIE GORCZYCA DMD, MPH, MS

This chapter is excerpted from Dr. Gorczyca’s new book, One Team, One Score: Leadership and Teamwork for a Successful Dental Practice. Topics include advance planning, cash flow, collections vs. production, controlled spending, and 10 acts of exceptional leaders.

336

ALIGNER CORNER

Outcomes Associated with 3M Clarity Aligners

MAHDI TAEBI-HARANDY DDS, MDSc, SHIVAM MEHTA DDS, MDS, MDSc, EMMA WARREN DDS, JONNY FELDMAN DDS, MS, SUMIT YADAV BDS, MDS, PhD, MBA

Drs. Taebi-Harandy and colleagues report the results of a retrospective study designed to evaluate the accuracy of horizontal, rotational, transverse, and vertical movements achieved with Clarity aligners. Recommendations for the virtual setup are included.

344

Classification of Temporary Anchorage Devices in Orthodontics

NICOLA DERTON DDS, MS, FRANCESCA CREMONINI DDS, NIKI ARVEDA DDS, MS, LUCA LOMBARDO DDS, MS, MARIO PALONE DDS, MS

The authors propose a system for identifying the means of placement and precise locations of miniscrews. Guided TADs are positioned using surgical guides; unguided TADs are inserted freehand. Insertion sites are further subdivided into maxillary and mandibular areas.

353

Continuing Education from June 2023 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.

357

PEARLS

Indirect Rebonding Transfer Tray Following Magnetic Resonance Imaging

PAOLO ALBERTINI DDS, ENRICO ALBERTINI DDS, LUDOVICA ZUCCHINI DDS, LORENZO GRANDI, LUCA LOMBARDO DDS

When a patient needs to have fixed appliances removed for an MRI, a single intraoral scan can be used to produce both a temporary Essex retainer and an indirect transfer tray, allowing the brackets to be replaced in the same positions.

359

BOOK REVIEWS

Orthodontic Treatment of Impacted Teeth

ALEX DITMAROV DDS

ADRIAN BECKER, BDS, LDS RCS, DDO RCPS4th edition. 544 pages, 1,000+ illustrations. $215.95. 2022.Wiley Blackwell, 1 Wiley Drive, Somerset, NJ 08875.(800) 225-5945; www.wiley.com. Prof. Adrian Becker i...

362

Product News in June 2023 Issue

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

365

CASE REPORT

Early Management of an Edge-to-Edge Incisor Occlusion

HOUDA NEANI DDS, FATIMA ZAOUI DDS, MOHAMED FAOUZI AZAROUAL DDS

Interception of an edge-to-edge incisor relationship in the mixed dentition can prevent the development of many dental and skeletal abnormalities. This young patient benefited from a short course of orthodontic treatment that avoided the need for surgery while preserving the permanent dentition.

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