The Effect of Light Emitting Diode Phototherapy on the Rate of Orthodontic Tooth Movement - A Clinical Study

This study has been completed.
Information provided by (Responsible Party):
Bryan Tompson, University of Toronto Identifier:
First received: November 10, 2011
Last updated: December 15, 2013
Last verified: December 2013

LED Phototherapy will increase the velocity of Orthodontic tooth movement.

Condition Intervention
The Rate or Orthodontic Tooth Movement
Device: LED Phototherapy

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Single Group Assignment
Masking: Single Blind (Investigator)
Primary Purpose: Treatment
Official Title: The Effect of Light Emitting Diode Phototherapy on the Rate of Orthodontic Tooth Movement - A Clinical Study

Further study details as provided by University of Toronto:

Primary Outcome Measures:
  • Extraction space size [ Time Frame: T0, T1, T2 ] [ Designated as safety issue: No ]
    T0=the start of active extraction space closure T1=3-7 weeks after T0 T2=4-7 weeks after T1

Enrollment: 11
Study Start Date: July 2011
Study Completion Date: July 2013
Primary Completion Date: July 2013 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: LED Phototherapy
LED phototherapy will be delivered transdermally via an extra-oral device and in a split mouth manner (half of the dental arch).
Device: LED Phototherapy
Other Name: Device manufactured by Biolux Research Ltd
No Intervention: Control: conventional orthodontic tooth movement


Ages Eligible for Study:   10 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • bilaterally symmetric extraction of premolar teeth with residual extraction spaces large enough to ensure space closure is not complete prior to the subsequent orthodontic appointment
  • no medicines or systemic illness
  • full banding/bonding of teeth

Exclusion Criteria:

  • pregnant
  • non-extraction treatment
  • systemic illness
  • prior orthodontic treatment
  Contacts and Locations
Please refer to this study by its identifier: NCT01490385

Canada, Ontario
University of Toronto, Faculty of Dentistry
Toronto, Ontario, Canada, M5G1G6
Sponsors and Collaborators
Bryan Tompson
Principal Investigator: Bryan D Tompson, DDS, DipPaedo, DipOrtho, FRCDC University of Toronto
  More Information

No publications provided

Responsible Party: Bryan Tompson, Head, Discipline of Orthodontics, University of Toronto Identifier: NCT01490385     History of Changes
Other Study ID Numbers: 11-12-2
Study First Received: November 10, 2011
Last Updated: December 15, 2013
Health Authority: Canada: Ethics Review Committee processed this record on April 16, 2014