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The Eureka Spring: A New Interarch Force Delivery System

Before the introduction of extraoral force by Kloehn in the 1950s,1,2 interarch force was used extensively in the treatment of Class II and Class III malocclusions.3 For the next 25 years, however, ma...

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Dr. DeVincenzo is in the private practice of orthodontics at 1312 Garden St., San Luis Obispo, CA 93401. He has a financial interest in the product described in this article.

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