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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 Bryan Tompson, University of Toronto:

Primary Outcome Measures:
  • Extraction space size [ Time Frame: T0, T1, T2 ]
    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   (Child, Adult, Senior)
Sexes Eligible for Study:   All
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
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

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

Publications automatically indexed to this study by Identifier (NCT Number):
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 processed this record on May 25, 2017