The Effect of Ultrasound on Orthodontic Tooth Movement

Inclusion Criteria: Subjects who meet all of the following criteria will qualify for entry into the study: 1. Scheduled to receive orthodontic treatment or in early stage of orthodontic treatment 2. Minimum of 3 mm of extraction space (on both sides of a dental arch) to be closed either by distal movement of all 6 anterior teeth from canine to canine or by distal movement of the canines. 3. Available for follow-up visits. 4. Willing and able to sign written informed consent. 5. Healthy. 6. Has permanent dentition and between the ages of 12 and 40. 7. Good oral hygiene and compliance Exclusion Criteria: Subjects who meet any of the following criteria will be excluded from the study: 1. Any compromised medical or dental condition that prevents the subject from participating in the trial or using the medical device. 2. Any implanted assistive devices. 3. Currently involved in any other study. 4. Lives significantly outside the clinical trial site. 5. Use of bisphosphonates. 6. Pregnant females .