Pacific Coast Society of Orthodontists Bulletin Winter 2012 - (Page 21)
Edited by Ib Leth Nielsen, DDS, MSc. Contributed by Greg J. Huang, DMD, MSD, Chairman and Professor, Orthodontics; Adjunct Professor, Oral Health Sciences.
he Department of Orthodontics at the University of Washington has conducted multiple studies over the past several years utilizing the Northwest PRECEDENT dental research network. This network, administered by faculty from UW and OHSU, was funded by a seven-year NIH grant. The grant was originally intended for research conducted by general dentists, but was expanded to orthodontists due to their interest in participating in practice-based research. Greg King and Greg Huang were both instrumental in recruiting and training about 50 practicing orthodontists from a five-state region. One study investigated orthodontists’ opinions and experience regarding temporary anchorage devices, following that with a prospective study to investigate patterns of use and reasons for failure. Another study investigated retention practices among the network’s orthodontists. Finally, a randomized trial was conducted to assess the effectiveness of MI Paste Plus and Prevident Varnish for ameliorating the appearance of white spot lesions. The results from these studies have been interesting and informative; manuscripts for the various studies will be appearing in journals in the near future. The Northwest PRECEDENT grant ended this past spring, but an exciting National Dental PracticeBased Research Network (NDPBRN) has emerged to unify dental practitioners from across the country. If you are interested in participating, please visit the NDPBRN Web site at: www.nidcr.nih.gov/Research/ DER/ClinicalResearch/ DentalPracticeBasedResearchNetwork/. Following are synopses of the three orthodontic studies that were conducted.
TEMPORARY ANCHORAGE DEVICES
he use of temporary skeletally based anchorage for orthodontic treatment has grown rapidly in the last several years. Skeletal anchorage allows orthodontists to create unilateral tooth movement and can augment treatment mechanics. The most common type of this novel adjunct to orthodontic treatment is the miniscrew TAD. This Northwest PRECEDENT project gathered data from orthodontists and patients on the attitudes surrounding these devices and their usage. We wanted to understand the real-life longevity of these devices and identify reasons the miniscrews might be lost before their usefulness was complete. PRECEDENT member orthodontists using TAD miniscrews were recruited to enroll patients into the study in order to evaluate survival rates for miniscrews, as well as risk factors for failure. We discovered that miniscrew TADs are widely used, and that orthodontists rely on them for challenging tooth movement situations. Patients are nervous about having the miniscrew placed, but their actual discomfort is minimal and on par with other dental and orthodontic procedures. Clinical success rates for miniscrews were high in this study—81% survived through the end of their use, and most of the screws that failed did so in the first four months of treatment. No risk factors contributing to failure could be identified.
2012 • PCSO BULLETIN
Table of Contents for the Digital Edition of Pacific Coast Society of Orthodontists Bulletin Winter 2012
What a Time it Was!
AAO Trustee's Report
A need, A dream, A reality: A team approach produces an extraordinary outcome
PRECEDENT Orthodontists on Devices
The Complexities of Successful Herbst Treatment
Dr. Bryan Williams
Treatment Planning: The Magic Step
Comprehensive Mixed Dentition Approach
Social Media 101 for Orthodontists
Update on Bonding 2012
Create the Future by Looking Back: 100 Years of PCSO
PCSO at a Glance
Case Report Pre-Treatment
Case Report Post-Treatment
Pacific Coast Society of Orthodontists Bulletin Winter 2012