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May 1982
Volume 16, Issue 5

THE EDITOR'S CORNER

EUGENE L. GOTTLIEB DDS

There Is a Computer in Your Future. Are You Preparing for It?According to the results of the recent JCO Orthodontic Practice Study, only 4% of orthodontists own or lease a computer. Of those who have...

291

Biomechanical Guidelines for Headgear Application

GISELA I. CONTASTI DDS, HARRY L. LEGAN DDS

The efficient use of the headgear requires a sound knowledge of basic biomechanics. Understanding how to control the direction and magnitude of the forces produced by various headgear designs is param...

308

An Orthodontic Bailout

MICHAEL E. NORTHCUTT DDS

The Problem Suppose you have a case that started out with a Class II division 1 malocclusion with crowding, blocked out upper cuspids, and protrusive upper incisors. After many months into treatment, ...

313

TECHNIQUE CLINIC

Depressing or Elongating a Tooth in Retention

PETER J. PICARD

It is occasionally a problem in retention that one incisor may elongate or depress. To solve this problem, place a dab of adhesive bonding material on the labial surface of the tooth involved. Locate ...

316

JCO Interviews Dr. James McNamara, Jr., on the Frankel Appliance, Part 1: Biological Basis and Appliance Design

EUGENE L. GOTTLIEB DDS, JAMES MCNAMARA

DR. GOTTLIEB Jim, give us a little background on how you became involved with the Frankel Appliance.DR. MCNAMARA After graduation from the University of California orthodontic program in 1968, I came ...

320

Enamel Loss Due to Acid Treatment for Bonding

Z. SHEY DMD, MS, SIDNEY BRANDT DDS

The use of acid etching in bonding in orthodontics differs from its use in preventive and restorative dentistry, where the purpose is to bond the fissure sealant or restorative material to the enamel ...

338

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