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April 1993
Volume 27, Issue 4

THE EDITOR'S CORNER

Orthodontist of the Year

EUGENE L. GOTTLIEB DDS

A teacher in our town recently won a silver apple award as "teacher of the year". One of the reasons given for the award was that this teacher made house calls on a pupil who had developed cancer. It ...

181

JCO INTERVIEWS

Dr. Lysle E. Johnston, Jr., on Orthodontics and the Scientific Method

LYSLE E. JOHNSTON JR., LARRY W. WHITE DDS, MSD

DR. WHITE In the November 1990 issue of the British Journal of Orthodontics, you published an essay entitled "Fear and Loathing in Orthodontics: Notes on the Death of Theory". Why do you feel respect ...

201

Bond Strengths and Fracture Modes of Three Orthodontic Adhesives

J. CLIFTON ALEXANDER, ANTHONY D. VIAZIS DDS, MS, HIROSHI NAKAJIMA DDS, PhD

New orthodontic adhesives must be tested in vitro to determine their bond strength and the possibility of enamel damage on debonding.1-11 This article reports the results of shear bond testing of thre...

207

Use of a Mutual Protective Agreement after a Heart Attack

FRED S. FINK DDS

Every 32 seconds, according to the American Heart Association, someone dies of a heart attack. I was one of the lucky ones. Two years ago, I was a typical 59-year-old, Type A, slightly overweight solo...

210

Predictable Indirect Bonding

JOHN H. HICKHAM DDS, MSD

Although 20 years have passed since Silverman and Cohen introduced indirect bonding,1 fewer than 10% of orthodontists routinely use this technique.2 Indirect bonding does offer several distinct advant...

215

TECHNIQUE CLINIC

Bringing an Ectopic Lower Canine into the Arch

STEVEN L. CURETON DMD, MS

When mandibular canines erupt without sufficient space, they are often displaced facially (Fig. 1). Even after making space available for the ectopic canine (Fig. 2), it can be difficult to move it in...

219

THE READERS' CORNER

PETER M. SINCLAIR DDS, MSD

What archforms do you use in archwires at various stages of treatment? The readers reported using a wide variety of archforms during treatment. More than 80% used some kind of preformed arch, with Acc...

221

Double Ball Clasp for Plate and Splint Appliances

SHOJI NAKAMURA DDS, KUNIAKI MIYAJIMA DDS, YOSHIHIRO YOKOI

Conventional plate and splint appliances are not worn with fixed orthodontic appliances because the retention clasps tend to get caught on archwires or brackets. A conventional Adams retention clasp i...

224

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