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ID 114290
Title Alternative
LIPUS effect on lateral tooth movement
Author
Arai, Chihiro Tsurumi University
Nomura, Yoshiaki Tsurumi University
Tsuge, Atsushi Tsurumi University
Nakamura, Yoshiki Tsurumi University
Keywords
LIPUS
Orthodontic tooth movement
Osteoclastgenesis
3D micro CT
Bone histomorhometry
Content Type
Journal Article
Description
Introduction: Because mechanical stimulation of the periodontal ligament (PDL) by low-intensity pulsed ultrasound (LIPUS) has been shown to increase the speed of bone remodeling, the aim of this study was to examine the effects of LIPUS stimulation on the rate of tooth movement and bone remodeling during lateral tooth movement. Methods: Twelve-week-old Wistar rats were divided into two groups. The LIPUS group received experimental tooth movement with LIPUS stimulation, and the tooth movement (TM) group had experimental tooth movement without LIPUS. For the LIPUS and TM groups, the upper right first molars were moved labially with fixed appliances. LIPUS exposure was placed in the region corresponding to the right maxillary first molar. Three days after tooth movement, tartrate-resistant acid phosphatase (TRAP) was examined. Fourteen days after tooth movement, the intermolar width, bone mineral content (BMC), and bone volume fraction (BV/TV) were examined by micro computed tomography (micro-CT), and newly formed bone was measured histomorphometrically. Results: The number of TRAP-positive cells at the compressed region was obviously greater in the LIPUS group. The intermolar width was significantly greater in the LIPUS group than in the TM group. The alveolar bone around the maxillary first molar showed no differences in BMC or BV/TV between the LIPUS and TM groups. The LIPUS group exhibited a significantly greater amount of newly formed alveolar bone than the TM group. Conclusions: The present study provides evidence of the beneficial effects of LIPUS on the lateral tooth movement.
Journal Title
American Journal of Orthodontics and Dentofacial Orthopedics
ISSN
08895406
NCID
AA10705697
AA11537430
Publisher
The American Association of Orthodontists|Elsevier
Volume
157
Issue
1
Start Page
59
End Page
66
Published Date
2019-12-31
Remark
論文本文は2020-12-31以降公開予定
Rights
© 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
EDB ID
DOI (Published Version)
URL ( Publisher's Version )
language
eng
TextVersion
その他
departments
Oral Sciences