Comparison of the effects of ultrasound toothbrushes with different ultrasound frequency on oral hygiene

Comparison of the effects of ultrasound toothbrushes with different ultrasound frequency on oral hygiene - Effects of ultrasound toothbrushes with different ultrasound frequency on oral hygiene

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000032161

Enrollment

108

Registered

2018-04-10

Start date

2018-04-16

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 people

Interventions

Group A: will use an examined ultrasound toothbrush which emits 1.6 MHz ultrasound frequency. Group B: will use an examined ultrasound toothbrush which emits 3.2 MHz ultrasound frequency. Group C: wil

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Dental hygiene students who agree with this study.

Exclusion criteria

Exclusion criteria: Those who would not agree with the study. And those who had seen a psychiatrist, have periodontitis or severe gingivitis (GI > 2.0), have active dental caries, or use a powered-toothbrush currently.

Design outcomes

Primary

Measure	Time frame
Oral hygiene: Plaque index (PlI), Gingival index (GI), Salivary flow rate	—

Countries

Japan

Contacts

Public ContactAkane Takenouchi

Taiyo School of Dental Hygiene day-time class

akane.emdv@tmd.ac.jp03-5810-8020

Outcome results

None listed

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