Chewing and Brain function -Comparison for the type of Dementia-

Relationship between Masticatory function and Cognitive function in patients with dementia - Relationship between Masticatory function and Cognitive function

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000048830

Enrollment

Registered

2022-09-02

Start date

2020-10-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Lewy body disease / Alzheimer&#39

Interventions

Group of LBD with chewing gum for 1 minuit Group of LBD with rest for 1 minuit Group of AD with chewing gum for 1 minuit Group of AD with rest for 1 minuit

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: ?Patients who have been diagnosed with dementia by a specific physician ?Patients with a diagnosis of LBD ?Patients with a diagnosis of AD ?MMSE score: 21-26

Exclusion criteria

Exclusion criteria: ?Non-dementia patients ?Dementia patients with a diagnosis other than LBD or AD ?MMSE score: under 21 ?Patients with extremely low masticatory function

Design outcomes

Primary

Measure	Time frame
Trail Making Test	—

Secondary

Measure	Time frame
Eichner's classification occlusal force	—

Countries

Japan

Contacts

Public ContactNoriyuki Hoshi

Kanagawa Dental University Department of Fixed Prosthodontics

hoshi@kdu.ac.jp046(822)8884

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026