Completed NA INTERVENTIONAL 2-arm NCT03514290

Effect of Low-level Laser Therapy on Post-bleaching Sensitivity and Color Change

Effect of Low-level Laser Therapy on Post-bleaching Sensitivity and Color Change: a Clinical, Randomized and Double-blind Study

Sponsor: Universidade Federal do Para

Conditions Clinical Trial Dentin Sensitivity Low-level Laser Therapy Tooth Bleaching

Interventions Low-lever laser Placebo Tooth bleaching

Updated 4 times since 2018 Last updated: Apr 30, 2018 Started: Jul 11, 2016 Primary completion: Aug 8, 2016 Completion: Sep 30, 2016

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Clinical Trial and Dentin Sensitivity and is currently completed. Universidade Federal do Para leads this study, which shows 4 recorded versions since 2016 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

4 versions recorded

Sep 2024 — Present [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jan 2021 — Jul 2024 [monthly]

Completed NA
Jun 2018 — Jan 2021 [monthly]

Completed NA

First recorded

Jul 2016

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Universidade Federal do Para

Data source: Universidade Federal do Para

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Belém, Brazil