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September 2019
Volume 53, Issue 9

THE EDITOR'S CORNER

Treating Patients with Sleep Disorders

ROBERT G. KEIM DDS, EdD, PhD

The first clinics dedicated to sleep medicine appeared in the 1970s, primarily for the treatment of obstructive sleep apnea (OSA). Caused by complete or partial obstruction of the upper airway, OSA is...

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Tooth Whitening in Association with Clear Aligner Treatment

TERESA OLIVERIO DDS, FRANCESCA CREMONINI DDS, LUCA LOMBARDO DDS, GIUSEPPE SICILIANI MD, DDS

Drs. Oliverio, Cremonini, Lombardo, and Siciliani designed this clinical study of 38 orthodontic patients to evaluate the efficacy of various at-home whitening protocols when the bleaching agents were sprayed directly onto the interior surfaces of clear aligner trays.

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The Rules of Bracket Flipping and Switching

NEAL D. KRAVITZ DMD, MS, SHAWN MILLER DMD, MMedSc

Flipping a bracket 180° or switching it between the right and left sides of the arch can be useful in altering the prescription for biomechanical purposes. Drs. Kravitz and Miller outline the effects of bracket flipping and switching on torque and tip.

518

Surgical-Orthodontic Treatment of Adults with Mandibular Retrognathism and Obstructive Sleep Apnea

SHUNSUKE UESUGI DDS, TOSHIHIRO IMAMURA DDS, PhD, IKUO YONEMITSU DDS, PhD, TAKASHI ONO DDS, PhD

The combination of maxillomandibular advancement surgery with orthodontic treatment can be effective in patients with obstructive sleep apnea. Dr. Uesugi and colleagues follow changes in a skeletal Class II patient’s upper airway configuration and respiratory function for three years after surgery.

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TECHNIQUE CLINIC

Taking Impressions in Patients with Brackets in Place

GHANTA SUNIL BDS, MDS, R.S.V.M. RAGHU RAM BDS, MDS, I. RANGANAYAKULU BDS, MDS

Orthodontic brackets and archwires tend to tear alginate material and distort impressions. This simple method employs elastomeric modules to block out the bracket edges and undercuts when taking alginate impressions, thus producing better working casts.

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PEARLS

Measuring Digital Torque with a Smartphone

ALKA BANKER MDS, PhD

Smartphones now have built-in features for calculating angles and tilt. The author shows how to attach a ribbon arch plier to a spare phone case to measure the exact amount of torque being added to an archwire, using a free smartphone app.

537

CASE REPORT

Uprighting Severely Impacted Lower Second Molars Prior to Class II Correction with Upper Second-Molar Extractions

MAURÍCIO BARBIERI MEZOMO DDS, PhD, PAULA GUERINO MSD, PAULO RICARDO BACCARIN MATJE MSD, EDUARDO MARTINELLI SANTAYANA DE LIMA PhD

A Class II, division 1 patient’s severely impacted mandibular second molars are uprighted using conventional biomechanics, without temporary anchorage devices, and the maxillary second molars are then extracted to create space for distalization of the upper arch.

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Continuing Education from September 2019 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.

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Product News Published in September 2019 Issue

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

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