Evaluation of Modified Hyrax Versus Quad Helix in Treatment of Posterior Cross Bite

Posterior Cross Bite Clinical Trial

Official title:

A Comparative Evaluation of Modified Hyrax Versus Quad Helix in Treatment of Children With Posterior Cross Bite: Randomized Controlled Trial

Clinical Trial Details — Status: Recruiting

Administrative data

• NCT number: NCT06300775
• Other study ID #: 123789
• Status: Recruiting
• Phase: N/A
• Start date: June 1, 2024
• Est. completion date: June 1, 2025

Study information

• Verified date: March 2024
• Source: Cairo University
• Contact: Sally mosallam, PH degree
• Phone: 01004288894
• Email: sally.mosallam[@]dentistry.cu.edu.eg.com
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

This study will be performed to evaluate the treatment of posterior cross-bite with modified hyrax & Quad helix appliances and to compare which one will provide better results in relation to chewing difficulty in children with posterior cross- bite in mixed dentition

Description:

This study will be performed to evaluate the treatment of posterior cross-bite with modified hyrax & Quad helix appliances and to compare which one will provide better results in relation to chewing difficulty as a primary outcome of this study and also evaluate the increase in the inter maxillary width , sleep apnea and signs & symptoms of tempro-mandibular joints disorder in children with posterior cross- bite in mixed dentition Cases will be examined within a regular interval up to one year

Recruitment information / eligibility

• Status: Recruiting
• Enrollment: 10
• Est. completion date: June 1, 2025
• Est. primary completion date: May 1, 2025
• Accepts healthy volunteers: No
• Gender: All
• Age group: 6 Years to 18 Years

Eligibility

Inclusion Criteria:

• Children with posterior cross-bite in mixed dentition stage.
• Children with normal and mild growth pattern.
• Children with completely erupted upper first molars.

Exclusion Criteria:

• Children with advanced periodontal diseases.
• Children having general diseases, syndromes.
• Children with previous orthodontic.
• Children with severe horizontal growth patterns.

Related Conditions & MeSH terms

• Malocclusion
• Posterior Cross Bite

Intervention

Device:
• modified hyrax
Appliance used for rapid maxillary expansion
• quad helix
device use for slow maxillary expansion

Locations

Country	Name	City	State
Egypt	Cairo univeristry	Cairo

Sponsors (1)

Lead Sponsor	Collaborator
Cairo University

Country where clinical trial is conducted

Egypt, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Chewing difficulty	the outcome will be measured by visual analogue scale	one year