Pacific Coast Society of Orthodontists Bulletin Fall 2017 - 30

Resident Review

bone loss, which results in 1.5% loss in bone mineral density (BMD)/month, compared to a 0.5%
decrease in BMD/year in individuals over 50 years
of age. These key translational findings can open
the door to a future therapeutic to prevent both
senile-osteoporosis on earth, and microgravityinduced osteoporosis in space, to address the
current and future biomedical burden of fragilityassociated boney fractures.
Figure 2. UCLA NASA team.
Left to right: Drs. Chia Soo (plastic
surgery), Wenyuan Shi (oral
biology), Benjamin Wu
(prosthodontics), Kang Ting
(orthodontics), Jin-Hee Kwak
(orthodontics)

The mice returned to Earth on July 3, 2017, from
SpaceX's Dragon capsule aboard the International
Space Station, splashing down in the Pacific off
Baja, CA. This landing marked the completion of
a 28-day journey, and the first time live rodents
have returned to the U.S. from the International
Space Station. The findings of this study may
advance osteoporosis research, and also open
the door to future space travel. Media coverage
of the project was extensive; over 170 national
and international articles, including a feature in
The New York Times, have appeared in a variety
of publications.

Pre-MSE
Figure 3. Maxillary occlusal views
of patient pre- and postexpansion.
The MSE has generated more than
6 mm of transverse width.

30

Dr. Ting's lab is focused on groundbreaking basic
scientific research; Dr. Moon's lab stands as a
shining example of innovation and translational
clinical orthodontic research. This year, Dr. Moon's
efforts have twice been featured on the cover of
the American Journal of Orthodontics and Dentofacial Orthopedics (AJO/DO), first for his work
on the "Effects of monocortical and bicortical
mini-implant anchorage on bone-borne palatal
expansion,"13 and again for his 2017 College of
Diplomates of the American Board of Orthodontics (CDABO) Case Report of the Year Award
winner, "Microimplant-assisted rapid palatal
expansion appliance to orthopedically correct
transverse maxillary deficiency in an adult."14
Dr. Moon is world-renowned for the development
of the maxillary skeletal expander (MSE), previously referred to as MARPE, and application of
novel temporary anchorage device (TAD)
mechanics. The core of Dr. Moon's studies pertain
to finite elemental analysis of orofacial structures,

Post-MSE

Superimposition

Figure 4. 3-D reconstructed images of patient skull derived from CBCT taken before and after placement
and successful expansion with MSE. Superimposition of 3-D skulls demonstrates a notable 8 mm split of
the mid-palatal suture as well as advancement of midfacial structures.

PCSO Bulletin  Fall 2017


https://connect.uclahealth.org/2017/07/11/what-space-traveling-mice-could-mean-for-people-with-osteoporosis/ https://mobile.nytimes.com/2017/06/02/science/spacex-cargo-international-space-station.html

Table of Contents for the Digital Edition of Pacific Coast Society of Orthodontists Bulletin Fall 2017

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