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March 1992
Volume 26, Issue 3

THE EDITOR'S CORNER

Search and Research

EUGENE L. GOTTLIEB DDS

Have you ever wondered why scientific investigation is called research instead of search? It seems likely that the reason is that findings must be able to be repeated. A finding from a single search m...

133

Do Sealants Seal? An SEM Investigation

V.P. JOSEPH BDS, MSC, P.E. ROSSOUW BSC, BCHD, BCHD(Hons), MCHD, N.J. BASSON BSC, BSC(Hons), MSC

One of the most important responsibilities of the orthodontist is the detection and prevention of decalcification1-8 (Fig. 1). It is widely believed that chemically cured sealants provide some protect...

141

Forced Eruption: An Alternative to Extraction or Periodontal Surgery

WEIN-GRAUN WANG BDS, WEI-NAN WANG BDS

Defects of the tooth structure near the alveolar bone, such as subgingival tooth fracture, cervical caries, endodontic perforation, and internal root resorption, are difficult to restore. Orthodontic ...

146

CLINICAL AID

Swivel Key for Palatal Expansion Appliances

DOUGLAS J. SHILLIDAY DDS

After working with a young patient who was unable to insert the jackscrew key to his rapid palatal expansion appliance, and whose parents were also unsuccessful because of the gag reflex, I developed ...

163

CLINICAL AID

Expansion Key Handle

JOHN M. ROSE DDS, ALVARO A. FIGUEROA DDS, MS

An empty elastomeric ligature holder can be transformed into a handle for the jackscrew key to a rapid palatal expansion appliance. Using a high-speed handpiece or sharp instrument, drill a hole near ...

164

The Tip-Edge Concept: Eliminating Unnecessary Anchorage Strain

CHRISTOPHER K. KESLING DDS, MS

Tooth movement in any orthodontic technique is accomplished according to one of two distinct schools of thought: 1. Edgewise techniques establish and maintain the maximum anchorage potential of each t...

165

THE READERS' CORNER

Open Bite and Practice Consultants

PETER M. SINCLAIR DDS, MSD

How do you distinguish between skeletal anterior open bite and dental anterior open bite? Virtually all the clinicians used both cephalometric and clinical criteria to distinguish between skeletal and...

179

Huddle Up with Your Staff

JOHN K. McGILL CPA, MBA, JD, W. CHARLES BLAIR BA, DDS

This article is reprinted by permission from the Blair/McGill Advisory, August 1991. The monthly publication is available from Blair/McGill & Co., 4601 CharlottePark Drive, Suite 230, Charlotte, N...

182

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