Study on the amount and the property of the saliva in the time of oral relaxation

Study on the amount and the property of the saliva in the time of oral relaxation - The efficacy of oral relaxation method

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000030870

Enrollment

200

Registered

2018-02-01

Start date

2020-08-01

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

Healthy subjects, Stress, Xerostomia

Interventions

After a question investigation, 3 kinds of oral relaxation is performed as a hand skill. It takes 30 minutes in total, in for each 5 minutes.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) When agreeing, be less than 99 years old more than 20 years old. (2) The Person who feels a xerostomia (3) The person who feels a stress (4) Written informed Consent

Exclusion criteria

Exclusion criteria: (1) The person who can't extract saliva (2) The person who can't plan for communication (3) The person who has a bruise in the oral (4) The person who judged that the study person in charge was unsuitable about participation in this research

Design outcomes

Primary

Measure	Time frame
Before and after implementation of oral relaxation and consideration by various methods Decrease of stress hormone(CgA) in the saliva Increase of amount of saliva Increase of antioxidative potency in the saliva by BAPtest Expansion of the peripheral artery width	—

Secondary

Measure	Time frame
Comparison between the age Consideration of a presence of taking medicine and smoking.	—

Countries

Japan

Contacts

Public ContactAtsue Matsumoto

Hiroshima University Oral Health Sciences Major

atu@hiroshima-u.ac.jp+81822575956

Outcome results

None listed

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