2015 Fiscal Year Final Research Report
Relationship between occlusion and stress-relieving effects
Project/Area Number |
25463022
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Prosthodontics/ Dental materials science and
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Research Institution | Tokyo Dental College |
Principal Investigator |
|
Co-Investigator(Kenkyū-buntansha) |
SOEDA Ryohei 東京歯科大学, 歯学部, 助教 (30615381)
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Project Period (FY) |
2013-04-01 – 2016-03-31
|
Keywords | ストレス / 咬合 |
Outline of Final Research Achievements |
The objective of the present study was to investigate the relationship between occlusion-related factors (masticatory performance, occlusal contact area, maximum bite force, number of chewing strokes, and muscle activity) and the stress-relieving effects of chewing.The subjects were instructed to rest or chew after stress loading with arithmetic calculations. Their stress state was assessed by measuring salivary cortisol levels. A negative correlation was observed between the rate of decrease in salivary cortisol levels and the number of chewing strokes. No significant correlation was observed between the rate of decrease in salivary cortisol levels and other measurement items. In healthy dentulous people, the number of chewing strokes has been shown to be a masticatory function-related factor that affects stress relief from chewing, suggesting the possibility that more chewing would produce greater stress relief.
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Free Research Field |
歯科補綴学
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