Investigation of the usefulness of laser light therapy devices in orthodontic treatment

Investigation of the usefulness of laser light curing units in orthodontic treatment

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT1032250032

Enrollment

126

Registered

2025-04-28

Start date

2025-04-28

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

Malocclusion

Interventions

This study is a survey conducted during normal treatment. The dentist will explain the purpose of the study (including the performance of the laser light curing unit and LED light curing unit) and the

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: This study is aimed at patients undergoing stage two orthodontic treatment.

Exclusion criteria

Exclusion criteria: 1) Pregnant individuals. 2) Individuals using pacemakers. 3) Individuals with a history of photosensitivity or photophobia. 4) Individuals taking photosensitive medications. 5) Individuals with congenital maxillofacial disorders. 6) Individuals from whom consent was not obtained.

Design outcomes

Primary

Measure	Time frame
Chair time	—

Secondary

Measure	Time frame
Number of times the tooth has fallen out Dropped area Whether or not there is a restoration on the fallen tooth Shape of the bracket base Questionnaire	—

Contacts

Public ContactTomijiro Hamada

Showa University Dental Hospital

hamada-t@dent.showa-u.ac.jp+81-3-3787-1151

Outcome results

None listed

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