<p></p><p><u>Dr. Martin Epstein:</u></p><p></p><ul><li>Differential Slot Size using on an active self ligating bracket system.<br></li><li>Treating difficult Class II Malocclusions.<br></li></ul><p></p><p><u>Dr. Javier Frenck:</u></p><p></p><ul><li>Diagnosis-Treatment - The Swing Philosophy approach.<br></li><li>Frenck System; Main Principles.</li></ul><p></p><p></p>