Pacific Coast Society of Orthodontists Bulletin Spring 2023 - 32

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studies are needed that use this tested, clinically
translatable human model of tooth movement to
investigate biomarkers and adjunctive methods to
improve orthodontic therapies.
Conclusions
◾ Stress magnitude significantly affected the
speed of human tooth translation and accounted
for 38% of the variability in speed. Optimal
applied stresses were between 26 and 52 kPa.
◾ For the same stress magnitude at 13, 26, and 78
kPa, tooth translation was significantly affected
by growth status. The overall speed of tooth
movement was 1.5-fold faster in G compared
with NG subjects.
◾ Attention to appliance design and amount of
applied stress should be considered ahead of
invasive methods for the fastest, nonharmful
tooth movement.
Acknowledgments
Portions of this article were reused from previous
publications5,7
with permission. We thank the
participating researchers, Drs. Y. Liu, J. Haack, S.
Gibson, N. Hukmani, A. Tutor, C. Gibson, J. Chandler,
J. Hentscher-Johnson, M. McCoy, A. Tasca,
W. Hewitt, and D. Leeper for their involvement in
data collection and analyses and Kim Theesen for
his assistance with the figures. This research was
funded in part by the American Association of
Orthodontists Foundation.
References
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PCSO Bulletin Spring 2023

Pacific Coast Society of Orthodontists Bulletin Spring 2023

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