Bimaxillary Protrusion Clinical Trial
Official title:
Evaluation of Incisors' Position Following Anterior Segment Retraction Using Friction Versus Frictionless Mechanics: A Randomized Clinical Trial
Verified date | May 2021 |
Source | Future University in Egypt |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
There's scarcity in literature concerning the issue of anterior segment retraction technique and its effect on anterior teeth position. Therefore, a randomized clinical trial has been chosen to investigate this issue, aiming to support clinicians with the best guidelines for anterior segment retraction.
Status | Completed |
Enrollment | 30 |
Est. completion date | December 13, 2020 |
Est. primary completion date | September 1, 2020 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Female |
Age group | 13 Years to 25 Years |
Eligibility | Inclusion Criteria: - Female patients (Age 13- 25 y) - Class I molar relation (Angle's classification) - Bimaxillary protrusion requiring extraction of four first premolars and maximum anchorage. - full permanent dentition (except 3rd molars) - Good general and oral health Exclusion Criteria: - Systemic disease or syndromes or on anti-inflammatory medication. - Extracted or missing permanent teeth (other than 3rd molars) - Badly decayed teeth (other than 1st premolars) - Parafunctional habits - History of previous orthodontics treatment |
Country | Name | City | State |
---|---|---|---|
Egypt | Future University in Egypt | Cairo |
Lead Sponsor | Collaborator |
---|---|
Future University in Egypt |
Egypt,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Torque of the incisors | The change of the outer angle between long axis of each upper anterior tooth and palatal plane on CBCT pre and post retracation and the change in the outer angle between long axis of each lower anterior tooth and horizontal plane on CBCT pre and post retracation | through study completion (Pre/post retraction), an average of 6 months | |
Primary | Tip of the incisors | The change of the angle between the long axis of the incisors and mid-sagittal plane on CBCT pre and post retracation | through study completion (Pre/post retraction), an average of 6 months | |
Primary | Vertical changes of the incisors | The change of the linear distance between the centroid of each maxillary anterior tooth and palatal Plane on CBCT pre and post retracation and The change of the linear distance between centroid of each mandibular anterior tooth and horizontal Plane on CBCT pre and post retracation | through study completion (Pre/post retraction) , an average of 6 months | |
Secondary | Root resorption of the anterior teeth | measuring the amount of resorption using CBCT in mm pre and post retraction | through study completion (Pre/post retraction), an average of 6 months |
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