Discussion of Neurologic Factor Influencing on Chewing Ability of Implant

임플란트 저작능에 영향을 주는 신경학적 원인에 대한 고찰

  • Kim, Tae-Seon (Dept. Prosthodontics, College of Dentistry, Yonsei University) ;
  • Yoon, Jun-Ho (Dept. Prosthodontics, College of Dentistry, Yonsei University) ;
  • Kim, Sung-Hoi (Dept. Prosthodontics, College of Dentistry, Yonsei University) ;
  • Kim, Jee-Hwan (Dept. Prosthodontics, College of Dentistry, Yonsei University) ;
  • Shim, June-Sung (Dept. Prosthodontics, College of Dentistry, Yonsei University) ;
  • Lee, Jae-Hoon (Dept. Prosthodontics, College of Dentistry, Yonsei University) ;
  • Moon, Hong-Suk (Dept. Prosthodontics, College of Dentistry, Yonsei University) ;
  • Park, Young-Bum (Dept. Prosthodontics, College of Dentistry, Yonsei University)
  • 김태선 (연세대학교 치과대학 보철과학교실) ;
  • 윤준호 (연세대학교 치과대학 보철과학교실) ;
  • 김성회 (연세대학교 치과대학 보철과학교실) ;
  • 김지환 (연세대학교 치과대학 보철과학교실) ;
  • 이재훈 (연세대학교 치과대학 보철과학교실) ;
  • 심준성 (연세대학교 치과대학 보철과학교실) ;
  • 문홍석 (연세대학교 치과대학 보철과학교실) ;
  • 박영범 (연세대학교 치과대학 보철과학교실)
  • Received : 2012.04.30
  • Accepted : 2012.09.25
  • Published : 2012.09.30

Abstract

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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