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Comparison of NiTi Coil Springs vs. Elastics in Canine Retraction

The ideal force-delivery system would meet the following criteria1: 1. Provide optimal tooth-moving forces that elicit the desired effects. 2. Be comfortable and hygienic for the patient. 3. Require m...

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ANDREW L. SONIS, DMD

ANDREW L. SONIS, DMD
Dr. Sonis is an Associate Clinical Professor, Harvard University School of Dental Medicine and Children's Hospital, 300 Longwood Ave., Boston, MA 02115.

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