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August 2009
Volume 43, Issue 8

THE EDITOR'S CORNER

A Breakthrough in Miniscrew Stability

ROBERT G. KEIM DDS, PhD, EdD

As with all other practical innovations in orthodontics, temporary anchorage devices (TADs) have involved a significant learning curve. Although Creekmore and Eklund's seminal paper on skeletal anchor...

485

A Miniplate System for Improved Stability of Skeletal Anchorage

BENEDICT WILMES DDS, MSC, DIETER DRESCHER DDS, PhD, MANUEL NIENKEMPER DDS

Despite their growing popularity, orthodontic miniscrews reportedly have failure rates as high as 10-30%.1-4 Miniscrew loosening or tipping can result from any of the following factors: Insufficient ...

494

A Patient-Classification System for Invisalign Cases

DOUG CROSBY DDS, MS, JESSICA LEE

The Invisalign system* offers many advantages over fixed appliances, including gentler tooth movement, fewer office visits, improved esthetics, and easier oral hygiene. Appropriate case selection is i...

502

THE CUTTING EDGE

Dynamic Cone-Beam Computed Tomography in Orthodontic Treatment

DOUGLAS L. CHENIN DDS, DAVID A. CHENIN DDS, MSD, STEPHEN T. CHENIN DDS, JACK CHOI PhD

(Editor's Note: This quarterly column is compiled by JCO Technology Editor Ronald Redmond. To help keep our readers on The Cutting Edge, Dr. Redmond will spotlight a particular area of orthodontic tec...

507

TECHNIQUE CLINIC

Precise, Simultaneous Bracket and Miniscrew Placement

V.P. SABARINATH MDS, P.V. HAZAREY MDS, NARENDRA SHARMA MDS, SAMIR JAIN MDS

We have developed a simple, reliable, and accurate method for placing brackets and miniscrew implants in a single step. The procedure is as follows: • Fabricate a miniscrew stent by bending a round st...

513

CASE REPORT

Maxillary Canine-First Premolar Transposition in the Permanent Dentition

CRISTINA VITALE DDS, PhD , ANGELA MILITI DDS, PhD , MARCO PORTELLI DDS, PhD, GIANCARLO CORDASCO MD, DDS, GIOVANNI MATARESE MD, DDS

Transposition of two adjacent teeth is an eruption anomaly of uncertain etiology.1,2 Three different treatment approaches have been described: alignment of the involved teeth in their transposed posit...

517

Precision of Bracket Placement on Dental Models

MING-LAI LAI PhD, JAMES MAH DDS, MS, DMSC

Bracket-placement accuracy is crucial in achieving optimal orthodontic treatment results, particularly with "straightwire" appliance designs. Precision is actually a function of the repeatability of p...

524

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