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

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

Status

UNKNOWN

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT05193513

Enrollment

Registered

2022-01-18

Start date

2021-07-10

Completion date

2023-10-14

Last updated

2022-01-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cross Bite

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

Interventions

DEVICEhybrid expanders

tow maxillary hybrid expanders supported anteriorly with tow miniscrews

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

SINGLE (Subject)

Eligibility

Sex/Gender

ALL

Age

12 Years to 18 Years

Healthy volunteers

Yes

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. \-

Design outcomes

Primary

Measure	Time frame	Description
change in maxillary width	12 weeks following end of treatment	millimeter

Countries

Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026