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THE EDITOR'S CORNER

We have been fortunate in orthodontics to have had a large number of outstanding people attracted to our field. Among them is the gentleman who graces our cover this month in an office setting reminiscent of the time when he entered the practice of dentistry in 1919. He is, of course, Dr. Cecil Steiner, now of Laguna Hills, California. Dr. Steiner has been an important link between the founder of orthodontics, Dr. Edward Angle, with whom he studied, and the more recent generations of orthodontists, who studied with him. Those of you fortunate enough to know Dr. Steiner are well acquainted with those characteristics which caused him to stand out from the crowd.

At a time when orthodontics was developing its basic appliances, Dr. Steiner was extremely creative and inventive. His name is associated with improved edgewise bracket design, .018 bracket slot, Steiner Spring-Wing brackets, and numerous useful tools of our specialty. At a time when orthodontics was developing its basic science, Dr. Steiner developed the Steiner cephalometric analysis. At a time when orthodontics was developing its means of communication, Dr. Steiner was instrumental in the establishment of the Angle Society and the Tweed Foundation. He was unstinting in his travels and in his devotion to "spreading the word" at meetings, at study clubs, at graduate orthodontic departments here and abroad. It was this spirit of sharing which exemplified Dr. Steiner's contributions to the specialty he loves and which qualifies him for a place in the Orthodontic Hall of Fame.

Fig. 1 Eccentric brackets on small pads, whose shape follows the gingival contour, facilitate bonding to difficult and partially erupted teeth, minimize gingival irritation, and reduce moisture contamination problems. (Photos courtesy of Dr. Zachrisson)
Fig. 2 Scanning electron micrograph of junction of adhesive and enamel. (Photo courtesy of Dr. Masunaga)
Fig. 3 Mixing procedure in direct bonding with fast-setting adhesives. Master batches of the two components of adhesive (parts A and B) are made first (A). Using separate ends of metal instrument, small portions of adhesive are extracted from the master batches (B), mixed together, and placed on the contact surface of the bracket (C). In positioning on the tooth, contact is first established on the gingival edge so that excess adhesive extrudes occlusally (D). Fine adjustment is made with Schure utility instrument (see AJO, July 1978). (Photos courtesy of Dr. Zachrisson)
Fig. 4 Bond strength with filled diacrylate type adhesives is so strong that breaks occasionally occur on lower molars between mesh and buccal tube, and on bicuspids between pad and bracket base. (Photos courtesy of Dr. Zachrisson)

DR. EUGENE L. GOTTLIEB DDS

DR. EUGENE L.  GOTTLIEB DDS

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