Class II Malocclusion Clinical Trial
Official title:
Canine Retraction Using Power Arms and Temporary Anchorage Devices
NCT number | NCT04887974 |
Other study ID # | 20153110 |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | |
Last updated | |
Start date | April 2, 2016 |
Est. completion date | January 14, 2017 |
Verified date | May 2021 |
Source | Future University in Egypt |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Various malocclusions require the extraction of the first premolars and retraction of the canines with the need for maximum anchorage. If the canines are pulled into the extraction space using the molar teeth for support, unwanted tooth movement occurs. This study aims to evaluate the effect of temporary anchorage devices and power arms, which are auxiliary orthodontic appliances in reducing undesirable tooth movements.
Status | Completed |
Enrollment | 10 |
Est. completion date | January 14, 2017 |
Est. primary completion date | January 14, 2017 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 25 Years |
Eligibility | Inclusion Criteria: - Adult orthodontic patient - Any malocclusion requiring the extraction of the first premolar and canine retraction - Full permanent dentition with the exception of the wisdom teeth. Exclusion Criteria: - Any missing permanent tooth - Previous orthodontic treatment - Periodontal disease; pregnancy - Systemic disease or medication that affects bone metabolism |
Country | Name | City | State |
---|---|---|---|
Egypt | Faculty of Oral & Dental Medicine | Cairo |
Lead Sponsor | Collaborator |
---|---|
Future University in Egypt |
Egypt,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Canine retraction | Amount of canine movement in millimeters measured on digital models. . The change in the vertical distance from the canine cusp tip to a line connecting the medial points of the third palatal rugae | Baseline to 6 months | |
Primary | Molar mesial drift | Amount of molar movement in millimeters measured on digital models. The change in the vertical distance from the mesiobuccal cusp tip to a line connecting the medial points of the third palatal rugae | Baseline to 6 months | |
Secondary | Canine tipping | The change in the angle between the canine long axis, from cusp tip to root apex, and the palatal plane (a plane passing through the incisive foramen and the anterior and posterior nasal spines); measued on the cone beam computed tomogram. | Baseline to 6 months | |
Secondary | molar rotation | The change in the angle between the molar horizontal axis and frontal Plane on the cone beam computed tomogram, in the axial view. | Baseline to 6 months |
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