Posterior Cross Bite
Conditions
Brief 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
Detailed 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
Interventions
DEVICEmodified hyrax
Appliance used for rapid maxillary expansion
DEVICEquad helix
device use for slow maxillary expansion
Sponsors
Cairo University
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE
Masking description
no Masking
Intervention model description
Modified Hyrax Versus Quad Helix
Eligibility
Sex/Gender
ALL
Age
6 Years to 18 Years
Healthy volunteers
No
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.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Chewing difficulty | one year | the outcome will be measured by visual analogue scale |
Countries
Egypt
Contacts
Primary ContactSally mosallam, PH degree
Outcome results
None listed