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A piezoelectric motor-based microactuator-generated distractor for continuous jaw bone distraction

 Jong-Tae Park  ;  Jae-Gi Lee  ;  Soo-Yeon Kim  ;  Gyu-Hag Kim  ;  Kyung-Seok Hu  ;  Jung-Yul Cha  ;  Hyung Jun Kim  ;  Hee-Jin Kim 
 JOURNAL OF CRANIOFACIAL SURGERY, Vol.22(4) : 1486-1488, 2011 
Journal Title
Issue Date
Animals ; Biomechanical Phenomena ; Bone Screws ; Electrical Equipment and Supplies* ; Equipment Design ; External Fixators ; Humans ; Humidity ; Jaw/surgery* ; Mandible/surgery ; Materials Testing ; Microcomputers ; Miniaturization/instrumentation* ; Models, Animal ; Osteogenesis, Distraction/instrumentation* ; Pressure ; Rats ; Software ; Stress, Mechanical ; Temperature ; Ultrasonics/instrumentation
Microactuator-generated distractor ; microactuator-generated alveolar distractor ; jaw bone distraction ; distraction osteogenesis ; Squiggle piezoelectric motor ; periorbital muscle
Distraction osteogenesis is widely applied to correct oral and maxillofacial deformities, and intermittent distraction protocols have been used in various clinical applications. There are many challenges for continuous distraction of the jaw bone such as when using hydraulic motors and motor-driven plates. The size of the motor is critical to the ability to miniaturize the complete distractor system, and the importance of size makes it difficult to extrapolate the results of animal models to the clinical situation. This study developed a microactuator-generated distractor (MAGD) for continuous jaw bone distraction. The MAGD system consists of control software based on Microsoft Windows and a Squiggle piezoelectric motor. The system allows various intermittent and continuous distraction protocols to be simply selected using the control software. The maximum force of the laboratory-scale MAGD is 3 N, and the device is ready for adoption in small-animal distraction models such as the rat and mouse. The MAGD needs further refinement before it can be applied to humans, but a fully implanted MAGD system will reduce soft-tissue complications resulting from exposure of the extraoral component. Moreover, the MAGD will support the patient's social activities and require only minimal cooperation from the patient.
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Appears in Collections:
5. Research Institutes (연구소) > Human Identification Research Center (개인식별연구소) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Surgery (구강악안면외과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyung Jun(김형준) ORCID logo https://orcid.org/0000-0001-8247-4004
Kim, Hee Jin(김희진) ORCID logo https://orcid.org/0000-0002-1139-6261
Park, Jong Tae(박종태)
Lee, Jae Gi(이재기)
Cha, Jung Yul(차정열)
Hu, Kyung Seok(허경석) ORCID logo https://orcid.org/0000-0002-9048-3805
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