Does Periodontal Tactile Input Uniquely Increase Cerebral Blood Flow in the Prefrontal Cortex?

被引:1
|
作者
Goto, Takaharu [1 ]
Higaki, Nobuaki [1 ]
Kishimoto, Takahiro [1 ]
Tomotake, Yoritoki [2 ]
Ichikawa, Tetsuo [1 ]
机构
[1] Tokushima Univ, Dept Prosthodont & Oral Rehabil, Grad Sch Biomed Sci, Tokushima 7708504, Japan
[2] Tokushima Univ, Tokushima Univ Hosp, Oral Implant Ctr, Tokushima 7708504, Japan
关键词
prefrontal cortex; functional near-infrared spectroscopy; periodontal tactile input; occlusal force; BASAL GANGLIA; IMPLANTS; DENTITION; ATTENTION; PATHWAYS; DEMENTIA;
D O I
10.3390/brainsci10080482
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
We previously studied the effect of peripheral sensory information from sensory periodontal ligament receptors on prefrontal cortex (PFC) activity. In the dental field, an alternative dental implant without periodontal sensation can be applied for missing teeth. In this study, we examine whether periodontal tactile input could increase cerebral blood flow (CBF) in the PFC against elderly patients with dental implants lacking periodontal tactile (implant group), elderly individuals with natural teeth (elderly group), and young individuals with natural teeth (young group). The experimental task of maintaining occlusal force as closed-loop stimulation was performed. Compared with the young group, the elderly group showed significantly lower CBF. Contrastingly, compared with the young group, the implant group showed significantly lower CBF. There were no significant differences between the elderly and implant groups. Regarding the mean occlusal force value, compared with the young group and the elderly group, the implant group had a numerically, but not significantly, larger occlusal force exceeding the directed range. In conclusion, the periodontal tactile input does not uniquely increase PFC activity. However, increased CBF in the PFC due to the periodontal tactile input in the posterior region requires existing attention behavior function in the PFC.
引用
收藏
页码:1 / 9
页数:9
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