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September 1994
Volume 28, Issue 9

TECHNIQUE CLINIC

Direct-Bonded Lingual Retainer with a New Twist

STEVEN M. COHEN, DMD, BENJAMIN CASSALIA, DMD, RICHARD C. HAYES, DDS, MS

Direct-bonded lingual retainers are widely used for orthodontic retention because of their obvious esthetic and possible physiological advantages.1 The two most common types are commercial, preformed ...

THE EDITOR'S CORNER

THE EDITOR'S CORNER

LARRY W. WHITE, DDS

Seeing the LightWhen we think or talk about any new technology, we usually betray our preoccupation with related past experiences. In the 19th century, travelers named the locomotive the "iron horse" ...

507

Indirect-Bonded Nance Appliance

DAVID R. SAIN, DDS, MS, SCOTT A. HUGE, JAMES T. PICKERING, DDS

Nance appliances are widely used to hold posterior teeth in fixed positions1-3 by increasing anchorage and minimizing vertical eruption.4 Although previously described designs have been banded,5-9 we ...

522

Headgear and Pain

STEVEN L. CURETON, DMD, MS

Patients generally wear headgear only about half the time recommended by their orthodontists.1 Constant motivation is often required,2 and if a headgear is uncomfortable at first, the chances are even...

525

THE READERS' CORNER

PETER M. SINCLAIR, DDS, MSD

1. How do you define mild, moderate, and severe anchorage problems? Most of the clinicians based their definition on a combination of factors, including crowding, overjet, molar relationship, and inci...

533

Computer-Assisted Patient Information System

KAZUHIRO YAMADA, DDS, PHD, GAZI SHAMIM HASSAN, BDS, MASAKI YAMAKI, DDS, KOOJI HANADA, DDS, PHD, TAKASHI SUZUKI, MD, PHD, KOHJI HARA, DDS, PHD

We have developed a computer-assisted patient information system (CAPIS) to help patients visualize the tooth movement and space closure planned during orthodontic treatment. The program consists of a...

536

Force System Analysis of V-Bend Sliding Mechanics [with correction]

RAYMOND E. SIATKOWSKI , DMD

Since their introduction by Mulligan in the 1970s,1 V-bend sliding mechanics have been widely used. The measurements presented in this article will provide some insights into the force systems involve...

539

ORTHODONTIC OFFICE DESIGN Rear Delivery System

WARREN HAMULA, DDS, MSD, DAVID W. HAMULA, DDS

The delivery system selected by an orthodontist affects the design of the operatory, the efficiency of chairside working patterns, and the productivity of office space. Efficiency can translate into i...

547

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