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March 2018
Volume 52, Issue 3

THE EDITOR'S CORNER

On Starting a New Practice

ROBERT G. KEIM DDS, EdD, PhD

When asked the question “What do you intend to do after graduation?”, most of the orthodontic residents I have talked to over the past few decades have indicated that they want to find desirable and e...

129

Invisalign Mandibular Advancers and Tetrahedron 3D Facial Analysis in Dentofacial Orthopedics: 10 Rules

JOHN C. VOUDOURIS DDS, DOrth, MSD, JAMES J. POULOS BS, DDS, CHRISTOS SCHISMENOS DMD, DOrth, CHRISTIAN ARGYROPOULOS

Drs. Voudouris, Poulos, and Schismenos propose a four-sided analysis that facilitates a quick assessment of the growing patient’s facial pattern and condition. Ten principles of successful treatment with Class II mandibular advancers are also presented, along with tips for clinical management of the Invisalign advancer.

134

Correction of Maxillary Transverse Deficiency in Growing Patients with Permanent Dentitions

KEVIN MANZELLA DDS, MS, LORENZO FRANCHI DDS, PhD, THIKRIAT AL-JEWAIR BDS, MBA, MSc, MS, FRCD(C)

The nickel titanium Memoria Leaf Spring Activated Expander provides a slow, continuous force using only a single screw. Activation is performed at regular office visits rather than at home. The effectiveness of this device is demonstrated by digital arch measurements of two cases presented by Drs. Manzella, Franchi, and Al-Jewair.

148

JCO ROUNDTABLE

Starting a New Practice

ROBERT G. KEIM DDS, EdD, PhD, ROBERT S. HAEGER DDS, MS, ANA LUIZA ARRUDA DMD, MSD, CHARLENE WHITE, PAUL D. ZUELKE

JCO Editor Robert Keim moderates a panel of experts on the pros and cons of opening a new orthodontic practice. Important considerations including demographics, location, financing, office design, equipment, staff hiring, and marketing are all discussed.

157

CASE REPORT

Miniscrew Anchorage for Posterior Crossbite Correction in an Adult Patient

GABRIELA MEYGE DE BRITO MS, DDS, DIANA SIMÕES DDS, ANDRÉ WILSON MACHADO PhD, MS, DDS

Drs. de Brito, Simões, and Machado resolve a unilateral posterior crossbite and lower anterior crowding in only 15 months. Buccal and palatal miniscrews are used initially to anchor elastic chain for molar intrusion. After leveling with fixed appliances, intermaxillary elastics are added to extrude the molars into occlusion.

165

PEARLS

Fixed Retainers with Bonded Pontics

S. FAYYAZ AHAMED BDS, MDS, A. FAHIMA BDS, A.S. APROS KANNA BDS, MDS, A.M. ABUBACKER SIDDIQUE BDS, MDS

Retaining the opened space for permanent replacement of missing teeth poses an esthetic challenge, especially in young patients who eat lunch at school. In this simple technique, the authors bond temporary anterior pontics to a fixed retainer wire for a quick, in-office solution.

171

Comparative Direct Dosimetry of Cone-Beam Computed Tomography Using Reduced Basis Projections

JAMES K. MAH DDS, MSc, DMSc, ROBERT A. DANFORTH DDS

Efforts to reduce patient dosage from CBCT have focused on reducing the field of view—an impractical approach for orthodontic imaging. This study from Drs. Mah and Danforth uses direct dosimetry to evaluate the effectiveness of an alternative approach: reducing exposure by performing a half scan instead of the traditional full scan.

173

Continuing Education for March 2018 (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.

181

Product News Published in March 2018

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

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