Effectiveness of Four Mini-screws Supported Hyrax for Maxillary Expansion in Early Adulthood
- Conditions
- Transverse Maxillary Deficiency
- Registration Number
- NCT06020183
- Lead Sponsor
- Cairo University
- Brief Summary
This study aims to evaluate the Skeletal and Dento-alveolar expansion in adult patents using Four Mini-screws Supported Hyrax in compare with untreated control group.
- Detailed Description
Aim of the study: To evaluate the Effectiveness of Four Mini-screws Supported Hyrax for Maxillary Expansion in Early Adulthood
Methodology:
* Essential record for orthodontic treatment will be taken.
* impression with bands on upper first molars will be taken.
* Four eyelets will be soldered to the body of the hyrax appliance (size 10, Dentaurum, Germany).
* CBCT will be taken while patient wearing 1 mm thickness vacuum on the lower arch to dis-occlude both arches.
* Delivery, check the retention and fitness of the appliance.
* The appliance will be cemented using band cement(compomer).
* Using 3M contra-angle driver, the screws (Tomas screw size 10, Dentaurum, Germany) will be loaded and inserted.
* Activation of the appliance by opening it two turns immediately, followed by two turns everyday till cross bite correction or appearance of midline diastema.
* Closure of the device, and leave the appliance in-situ for five months as a retention.
* Post-expansion CBCT will be taken and continue fixed orthodontic treatment.
Outcome: skeletal and dento-alveolar expansion will be evaluated
Recruitment & Eligibility
- Status
- ACTIVE_NOT_RECRUITING
- Sex
- All
- Target Recruitment
- 24
- Unilateral or bilateral Dental posterior cross-bite
- Skeletal Maxillary constriction
- Male and female patients.
- Chronological age (18-30 years).
- Mid-palatal suture maturation (Grade C,D ) according to F Angileri classification
- Good oral hygiene.
- No craniofacial anomalies or syndromes
- Scissor-bite
- Orthodontically-treated
- functional cross bite due to premature occlusal contact
- patients with a syndrome
- cleft patients
- Mid-palatal suture maturation(Grade A.B,E) according to F Angileri classification
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Primary Outcome Measures
Name Time Method Skeletal maxillary expansion 5 months interval between pre and post-expansion To compare the amount of skeletal expansion pre and post expansion
- Secondary Outcome Measures
Name Time Method Dento-alaveolar expansion 5 months interval between pre and post-expansion To compare the amount of Dento-alaveolar expansion pre and post expansion
Trial Locations
- Locations (1)
Faculty of Dentistry, Cairo university
🇪🇬Cairo, Giza, Egypt
Faculty of Dentistry, Cairo university🇪🇬Cairo, Giza, Egypt