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KMID : 1004520120280030269
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Journal of Dental Rehabilitation and Applied Science
2012 Volume.28 No. 3 p.269 ~ p.276
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Discussion of Neurologic Factor Influencing on Chewing Ability of Implant
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Kim Tae-Seon
Yoon Jun-Ho
Lee Jae-Hoon
Kim Sung-Hoi
Moon Hong-Seok
Kim Jee-Hwan
Shim June-Sung
Park Young-Bum
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Abstract
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Many researches have been published about the numerous factors related to the chewing ability of implant prosthesis.
Most respective studies have concluded that the chewing ability of implant prosthesis is mostly fine compared to other
type of prosthesis. However, some patients are not satisfied with their chewing ability of implant prosthesis. Therefore the
neurologic factor, one of the factors related to dissatisfaction of chewing ability was reviewed in this study to understand
the mechanism of action of mastication. Data was searched using the keywords; ?implant chewing ability, masticatory
ability? in Pubmed database and reviewed. Definitions of chewing ability, factors of chewing ability are reviewed and
the neurologic factor, one of the factors influencing on chewing ability, is reviewed. Mechanoreceptor of Periodontal
ligament(PDL) is providing the mastication information to brainstem. Due to the absence of mechanoreceptions of PDL
in implant, masticatory ability is decreased especially when chewing hard food. Masticatory muscles and mechanoreceptor in TMD may compensate the lack of mechanoreceptor of PDL in implants. Furthermore sensitivity of nerve fiber around peri-implant tissues may support the mechanoreception and sensory reaction in the implant mastication. However, further studies should be conducted to prove the relationships between neurologic factors and mastication.
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KEYWORD
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Implant chewing ability, Implant chewing efficiency, Implant masticatory function, periodontal ligament(PDL)
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