- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01583933
Essix Retainer vs Hawley Retainer (retainer)
PHASE 3 STUDY OF THE EFFECTIVITY OF TWO RETAINERS IN THE DENTAL AND OCCLUSAL STABILITY
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Anticipated)
Phase
- Phase 3
Contacts and Locations
Study Contact
- Name: Sandra Gómez, Orthodontist
- Phone Number: 574 3127492
- Email: sandraligomez11@gmail.com
Study Contact Backup
- Name: Angela María Segura Cardona, PhD in Epidemiology
- Phone Number: 574 4440555
- Email: asegura@ces.edu.co
Study Locations
-
-
Antioquia
-
Medellín, Antioquia, Colombia
- Recruiting
- CES University
-
Contact:
- Angela Segura
- Email: asegura@ces.edu.co
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients who have stabilized their growth between 16 and 40 who have completed orthodontic treatment and initiate retention treatment
- Who have agreed to participate in the study if elected and to sign informed consent
- Residing in the metropolitan area of Medellin and have the opportunity to attend recall appointments
Exclusion Criteria:
- Periodontal status deteriorated
- missing teeth
- Cleft lip and palate
- History of orthognathic surgery
- History of dental or skeletal open bite
- Presence of some habit oral tongue thrusting, mouth breathing, thumb sucking even after termination of orthodontic treatment
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Essix retainer
|
The essix retainer is made in a thermoforming copolyester 0.75mm (0.30 ", it processed gives a thickness of 0.015" approximately.
Retainer will be used molar to molar.
subjects in this arm will have this retainer for 24 hours a day for 6 months, they won´t have this device for food intake.
|
Active Comparator: Hawley retainer
Hawley retainer is a device composed of an acrylic base with built-in hooks and a labial arch wire 0.022 "x0.036" and attached to the teeth.
Its metal component consists of two adams hooks positioned from the first permanent molar right to left, a labial bow that progresses from lingual superface to distal of canine to integrate with the acrylic base.
|
subjects in this arm will have the retainer for 24 hours a day for 6 months.
During food intake they won´t have this device.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Dental stability
Time Frame: Up to 6 months
|
Dental stability will be assessed like this, models: rotation of central and lateral incisor, canine, first and second premolar, first molar on each side and each arch; and cephalometric analysis: SN-upper central incisive, FK-upper central incisive, palate plane-upper central incisive, interincisal angle, mandibular plane-lower central incisive; vertical distances: palate plane-upper central incisive, palate plane-first upper molar, mandibular plane-lower central incisive, mandibular plane-first lower molar; horizontal distances: A-Pogonion upper and lower central incisive.
|
Up to 6 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Occlusal stability
Time Frame: Up to 6 months
|
Occlusal stability will be measured at the beginning and end of study through clinic exam and study models. Clinic exam: canine relations right and left, molar relations left and right, overjet, overbite, presence of anterior open bite, presence of posterior open bite. Models: upper and lower arch, upper and lower intercanine distance, upper and lower distance interpremolar, upper and lower intermolar distance. |
Up to 6 months
|
Collaborators and Investigators
Sponsor
Collaborators
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- SFHA-02
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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