Randomized crossover comparison study on the subjective evaluation (VAS) at the time of speech and the influence on the brain activity by the difference in position of the palatal bar

Randomized crossover comparison study on the subjective evaluation (VAS) at the time of speech and the influence on the brain activity by the difference in position of the palatal bar - A comparative study on the subjective evaluation at the time of speech and the influence on the brain activity by the difference of the position of the Palatal bar

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000030209

Enrollment

Registered

2017-12-01

Start date

2017-10-15

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

denture user

Interventions

Speak &quot

Sakura no Hana ga sakimasita&quot

&quot

America no Mississippi&quot

each five times without wearing Speak &quot

each five times wearing denture an anterior palatal bar atacched Speak &quot

each five times wearing denture a middle palatal bar atacched Speak &quot

each five times wearing denture a posterior palatal bar atacched

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: There is no missing tooth, or the defective part is prosthetized by the fixed bridge. Healthy person who has no problem in regular speech function with appropriate cuff fitting position established

Exclusion criteria

Exclusion criteria: Those with wounds in the palate palatal malignancy. Those with abnormal in tongue function. Those with abnormal speech functions. Those with mental illness. Those with brain diseases.

Design outcomes

Primary

Measure	Time frame
VAS Area under the curve(AUC)of standardized oxyhemoglobin concentration analyzed by functinal near-infraed spectroscopy(fNIRS)	—

Countries

Japan

Contacts

Public ContactKanako Kataoka

Graduate School of Dentistry, Kanagawa Dental University Systemic Medical Dentistry Course lecture Division of Prosthodontic dentistry for function of TMJ an

qqss8cv9@dolphin.ocn.ne.jp0468228751

Outcome results

None listed

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