Orthodontics: What's New?

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34th Annual Moyers Symposium

 

Members of the UK Orthodontic Graduate Program recently attended the 34th Annual Moyers Symposium on Microimplants as Temporary Anchorage in Orthodontics.  The conference was held in Ann Arbor, Michigan in February 2007.  Lecturers included experts in the use of micro implants in orthodontics including Dr. Axel Bumann, Dr. Jason Cope, Dr. Hyo-Sang Park, Dr. Eugene Roberts and Dr. James A. McNamara.  The Moyers Symposium is an annual event held at the University of Michigan focusing on scientific presentations of a particular aspect of therapy.  Residents and faculty attended the conference and the group was pleased to be joined by volunteer faculty member Dr. Sonny Long.

 

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Guest Lecturers visit Orthodontic Graduate Program

Dr. William Proffit

On November 3, 2006 Dr. Proffit presented a very informative lecture on the Changing Patterns of Class III Treatment.  The lecture was based on the current best-evidence supporting the diagnosis and treatment of Class III patients.  Some of the changes include treating the maxilla more than the mandible in correction of Class III patients.  Also, chin cup therapy has not been very effective.  There is no long-term data for effectiveness of correction after puberty; effectiveness of chin cup therapy in primates is due to cooperation of force and duration of treatment which is difficult to obtain in humans.  However, facemask therapy does work, showing skeletal changes up to age 12.  The younger the patient, the better the results (even before age 8).  Franchi, Baccetti, and McNamara are the best references for evidence.  Turley showed that concomitant maxillary expansion does not increase effectiveness of facemask correction.  25-35% of early facemask cases end up needing surgery in the long-term.  Treatment during the age from 7-10 show more success than failure.  Lower incisor extraction seems to be better than lower premolar extraction for dental camouflage.  Surgically, the maxilla is being advanced more than mandibles being set-back.  The maxillary surgery appears to be more stable, more esthetic, and less compromising to the airway.

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Dr. Harry Legan, DDS, Cert. Ortho

Dr. Harry Legan, DDS, Cert. Ortho, orthodontic program director at Vanderbilt University, visited the Orthodontic Graduate Program in November 2006.  He presented valuable information on the diagnosis and management of obstructive sleep apnea with an emphasis on surgical treatment planning. Dr. Legan shared several case reports and emphasized the need for an evidence-based approach to this important area of clinical care.  In attendance were orthodontic and oral surgery residents.