Does Periodontal Tactile Input Uniquely Increase Cerebral Blood Flow in the Prefrontal Cortex?
functional near-infrared spectroscopy
occlusal force
periodontal tactile input
prefrontal cortex
Journal
Brain sciences
ISSN: 2076-3425
Titre abrégé: Brain Sci
Pays: Switzerland
ID NLM: 101598646
Informations de publication
Date de publication:
26 Jul 2020
26 Jul 2020
Historique:
received:
18
06
2020
revised:
18
07
2020
accepted:
23
07
2020
entrez:
30
7
2020
pubmed:
30
7
2020
medline:
30
7
2020
Statut:
epublish
Résumé
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.
Identifiants
pubmed: 32722618
pii: brainsci10080482
doi: 10.3390/brainsci10080482
pmc: PMC7465782
pii:
doi:
Types de publication
Journal Article
Langues
eng
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