Tow Maxillary Hybrid Expanders Screw Supported Versus Lateral Angulated One; a Prospective Randomized Clinical Study

Not Applicable

• Conditions: Cross Bite
• Interventions: Device: hybrid expanders

• Registration Number: NCT05193513
• Lead Sponsor: Al-Azhar University

Brief Summary

in this study i will use to different designs of t maxillary hybrid expanders that consists of HYREX supported with tow miniscrews to treat the collapsed maxilla in Yonge adolescents

Detailed Description

the maxilla is expanded by tow diffrent designs of maxillary hybrid expanders

Study Timeline

• Study Start: 2021-07-10
• Status Verified: 2022-01
• Study First Submitted: 2022-01-03
• Study First Submitted QC: 2022-01-03
• Last Update Submitted: 2022-01-03
• Study First Posted: 2022-01-18
• Last Update Posted: 2022-01-18
• Primary Completion: 2023-06-10
• Study Completion: 2023-10-14

Recruitment & Eligibility

• Status: UNKNOWN
• Sex: All
• Target Recruitment: 20

Inclusion Criteria

1. Medically free male or female patients
2. Patients that necessitated maxillary expansion due to constricted maxillary arch shown by a unilateral or bilateral posterior crossbite.
3. The patient should have no missing teeth except third molars.
4. Age ranged from 12 to 18 years old.
5. The patient should have a good gingival condition.
6. The patient should have a good periodontal condition.

Exclusion Criteria

1-hisory of previous orthodontic treatment. 2- Lack of cooperation. 3- Mental problems. 4- Skeletal open bite. 5- TMJ problem.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
group (2)	hybrid expanders	tow angulated miniscrews supported hybrid expanders
group (1)	hybrid expanders	tow perpendicular miniscrews supported hybrid expanders

Primary Outcome Measures

Name	Time	Method
change in maxillary width	12 weeks following end of treatment	millimeter

Trial Locations

Locations (1)

Al azhar university; 🇪🇬 Cairo, Egypt