Evaluate whitening effect of toothpaste

Evaluate whitening effect of toothpaste : a randomized, double blind, placebo-controlled study - Evaluate whitening effect of toothpaste

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000038898

Enrollment

Registered

2019-12-18

Start date

2019-12-18

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 adult

Interventions

Use test article Use a placebo article

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Those who have dull color of teeth

Exclusion criteria

Exclusion criteria: The person whose lower front teeth are dentures

Design outcomes

Primary

Measure	Time frame
Teeth lightness evaluation by dentists	—

Countries

Japan

Contacts

Public ContactTakeshi Kaneko

Japan Clinical Trial Association N.A.

info@yakujihou.org0364574666

Outcome results

None listed

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