Evaluating orthodontic retention methods after first premolar extraction
Evaluation of The Stability of Orthodontic Treatment After First Premolar Extraction in Adult Patients Using Bonded Retainer Versus Bonded Retainer Combined With Vacuum Formed Retainer : A Randomized Clinical Trial
This study tests whether using just a bonded retainer or a combination of a bonded retainer and a vacuum-formed retainer helps keep teeth stable after first premolar extractions in orthodontic patients.
Quick facts
| Phase | Not applicable |
|---|---|
| Study type | Interventional |
| Enrollment | 24 (estimated) |
| Ages | 18 Years and up |
| Sex | All |
| Sponsor | Cairo University Academic / other |
| Locations | 1 site (Cairo) |
| Trial ID | NCT06502886 on ClinicalTrials.gov |
What this trial studies
This study aims to compare the stability of anterior and posterior dental segments in patients who have undergone orthodontic treatment after the extraction of first premolars. It will assess the effectiveness of two retention protocols: a bonded lingual retainer alone versus a combined approach using both a bonded lingual retainer and vacuum-formed retainers. The study will analyze the post-treatment stability of tooth alignment and interdigitation in both groups, addressing the potential for relapse after orthodontic treatment.
Who should consider this trial
Good fit: Ideal candidates are adult patients who have completed comprehensive orthodontic treatment involving the extraction of upper and lower first premolars and require bonded retainers.
Not a fit: Patients undergoing non-extraction orthodontic treatment or those with poor oral hygiene or dental anomalies may not benefit from this study.
Why it matters
Potential benefit: If successful, this study could provide insights into the most effective retention methods, potentially improving long-term orthodontic outcomes for patients.
How similar studies have performed: While there is limited evidence on retention protocols, the study builds on existing recommendations for long-term retention methods, suggesting a potential for meaningful contributions to the field.
Eligibility criteria
Show full inclusion / exclusion criteria
Inclusion Criteria: 1. Adult patients at the end of comprehensive orthodontic treatment after extraction of upper and lower first premolars and requiring subsequent application of a lingual and palatal bonded retainers 2. Good oral hygiene 3. Patients whom the pre-treatment records (models) are available 4. Good finishing criteria (ABO grading system) Exclusion Criteria: 1. Non-extraction orthodontic treatment 2. Poor oral hygiene 3. Dental/congenital anomalies ex: Missing laterals, transposed canines, Cleft lip and palate/craniofacial syndromes 4. Poor finishing criteria (ABO grading system)
Where this trial is running
Cairo
- Faculty of oral and dental medicine, Cairo university — Cairo, Egypt (Recruiting)
How to participate
- Review the eligibility criteria above with your treating physician.
- Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
- Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.