Time series of occlusal force threshold showed plastic modulation by psychological stress

• Project/Area Number: 23792225
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Prosthetic dentistry
• Research Institution: Okayama University
• Principal Investigator: OKI Kazuhiro 岡山大学, 大学院・医歯薬学総合研究科, 助教 (00346454)
• Project Period (FY): 2011 – 2012
• Project Status: Completed (Fiscal Year 2012)
• Budget Amount: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000); Fiscal Year 2012: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000); Fiscal Year 2011: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
• Keywords: 歯根膜感覚 / 咬合感覚 / 心理的ストレス / 咬合 / 脳波 / 筋電図

Research Abstract

Periodontal sensation and occlusal sensation are seemed to fluctuate to some extent under daily life circumstances. There is the possibility that those sensations could show the plastic modulation by psychological factor. This study investigated the periodontal and occlusal sensations were affected by the visual type of psychological stress. From the result of the present study, periodontal sensation could become dull, while occlusal sensation sensitive, with psychological stress.