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February 2021
Volume 55, Issue 2

THE EDITOR'S CORNER

Orthodontics Around the World

ROBERT G. KEIM DDS, EdD, PhD

Serving on the editorial board of the Journal of Clinical Orthodontics since 1991 and as Editor-in-Chief since 2002—almost 20 years now—has unquestionably been the highlight of my professional life an...

82

Diagnosis and Treatment Procedures in French Orthodontic Practices

MAÏLYS BALTEAU DDS, MS, FRANÇOIS LEFEBVRE MD, DANIEL KANTER DDS, MS, DELPHINE WAGNER DDS, MS, PhD, YVES BOLENDER DDS, MMSc, PhD

The authors apply the methodology of the JCO Study of Orthodontic Diagnosis and Treatment Procedures to assess trends in France. Results of this 2017 survey of French specialists are contrasted with those of the 2020 U.S. study in a series of tables and graphs.

83

THE READERS' CORNER

Obstructive Sleep Apnea

PETER M. SINCLAIR DDS, MSD

JCO subscribers respond to questions about screening procedures and appliance protocols used for pediatric and adult patients with obstructive sleep apnea. Formal and informal training in sleep apnea therapy, referral customs, interdisciplinary collaboration, and TMD issues are all covered.

101

CASE REPORT

Facemask Treatment With and Without Maxillary Expansion in Dizygotic Twins

OZGE USLU-AKCAM DDS, PhD, GOKHAN YUKSEL DDS, MEHMET OKAN AKCAM DDS, PhD

Simultaneous interceptive treatment was performed in these twin sisters with Class III malocclusions and anterior crossbites. Facemasks and removable intraoral appliances were used in both, but slow maxillary expansion was added in only one twin. The authors compare the results.

107

Temporary Posterior Rehabilitation for Orthodontic Anchorage

GABRIEL SCHMIDT DOLCI DDS, MSD, PhD, JORGE DIAS LOPES DDS, MSD, PhD, AFONSO PINHÃO FERREIRA DDS, MSD, PhD, STEFAN CARDON DDS, MSD

Drs. Dolci, Lopes, Ferreira, and Cardon demonstrate a procedure in which two miniscrews are inserted in an adult patient’s edentulous area and covered with a temporary crown. Anchorage from a band on the pontic then helps the orthodontist manage anterior retraction and intrusion.

118

The Non-Helix Appliance: An Alternative to the Quad Helix

GERALD W. SPENCER DDS

Dr. Gerald Spencer introduces the non-helix, a versatile, comfortable expander constructed from .036" round beta titanium wire. He shows how the appliance can be adapted to correct mesial first-molar rotations, distalize molars on one or both sides, or open the bite.

122

PEARLS

A Segmental Molar Uprighting Technique

BISWAS PALUKUNNU BDS, MDS, HARIPRASAD A. BDS, MDS, MAKAL MADHAV M.P. BDS, MDS, SHAJI A.P. BDS, MDS

Several force vectors are required to upright a horizontally impacted lower second molar. In this Pearl, a twin bracket is bonded to the impacted tooth, and a sectional nickel titanium wire is inserted to successively apply forces from different directions.

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Product News in February 2021 Issue

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

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