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January 1997
Volume 31, Issue 1

THE EDITOR'S CORNER

How About Four-to-Six-Month Treatment?

EUGENE L. GOTTLIEB DDS

The emphasis in improving orthodontic treatment has been largely on technology--new and better metals and more efficient bracket designs. Current developments in interactive brackets, as shown in this...

9

A New Locking Facebow

R.H.A. SAMUELS BDS (Hons), MDS, FIMLS, FDS RCPS, MOrth

The AAO reported in 1975 that it "had been informed of several rare circumstances in which patients treated with extraoral traction appliances had sustained unfortunate facial injuries".1 Despite the ...

24

Bending Spooled Nickel Titanium Wire

MARCO A. NAVARRO DDS, MARTIN B. EPSTEIN DDS

Superelastic nickel titanium archwires have many desirable characteristics--including high springback, low stiffness, high stored energy, biocompatibility, environmental stability, and low surface fri...

28

1996 JCO Study of Orthodontic Diagnosis and Treatment Procedures, Part 3: More Breakdowns of Selected Variables

EUGENE L. GOTTLIEB DDS, ALLEN H. NELSON PHD, DAVID S. VOGELS III

The methodology, basic results, and trends from the 1996 JCO Study of Orthodontic Diagnosis and Treatment Procedures were published in the first article in this series (JCO, November 1996). In the sec...

30

THE READERS' CORNER

Molar Rotations and Orthodontic Books

PETER M. SINCLAIR DDS, MSD

Do you routinely correct molar rotations? The readers were unanimous in routinely correcting molar rotations. The most common technique involved preadjusted appliances that incorporated distal molar r...

41

ORTHODONTIC OFFICE DESIGN

Site Planning

WARREN HAMULA DDS, MSD, DAVID W. HAMULA DDS, FRANK DWYER NCARP

Before an orthodontist purchases land on which to build an office, there are many critical issues that must be addressed. Most are aware of the significance of the area's demographics, the proximity o...

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CLINICAL AID

Smoothing Rough Edges of Removable Appliances

ELLIOTT M. MOSKOWITZ DDS, MSD, JOHN J. SHERIDAN DDS, MSD, ANA M. MUÑOZ, DDS, MSD, KRUNO TOVILO DMD

Removable orthodontic appliances, whether constructed of conventional acrylic or of thermoplastic material such as Essix*,1,2 can chip or splinter after prolonged use or mishandling, resulting in pati...

54

Seven Clinical Principles of Interactive Twin Mechanisms

JOHN C. VOUDOURIS Hon. DDS, DOrth, MSCD

The latest generation of preadjusted twin brackets uses sophisticated functional properties to improve time-efficiency through interaction with the archwire. They provide an unprecedented degree of fr...

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