Maxillary Constriction Clinical Trial
Official title:
Analysis of the Dentoskeletal Effects of the Expander With Differential Opening: a Randomized Clinical Trial
This study evaluates the dentoskeletal effects of the expander with differential opening in orthodontic patients in the mixed dentition. Half of participants will undergo rapid maxillary expansion (RME) using the expander with differential opening, while the other half will undergo RME using the conventional Hyrax expander.
Status | Recruiting |
Enrollment | 50 |
Est. completion date | February 2018 |
Est. primary completion date | December 2016 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 7 Years to 11 Years |
Eligibility |
Inclusion Criteria: - Both sexes; - Ages ranging from 7 to 11 years old; - Mixed dentition; - Maxillary constriction; - No previous orthodontic treatment. Exclusion Criteria: - Cleft lip and palate and associated syndromes; - Systemic and/or neurological diseases. |
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
Brazil | University of São Paulo | Bauru | São Paulo |
Lead Sponsor | Collaborator |
---|---|
University of Sao Paulo |
Brazil,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Maxillary and mandibular inter-first permanent molar distances | 6 months | Yes | |
Primary | Maxillary and mandibular inter-second deciduous molar distances | 6 months | Yes | |
Primary | Maxillary and mandibular inter-first deciduous molar distances | 6 months | Yes | |
Primary | Maxillary and mandibular inter-deciduous canine distances | 6 months | Yes | |
Primary | Maxillary and mandibular dental arches perimeters | 6 months | Yes | |
Primary | Maxillary and mandibular dental arches lengths | 6 months | Yes | |
Primary | Palatal depth | 6 months | Yes | |
Primary | Inclination of maxillary and mandibular first permanent molars | 6 months | Yes | |
Primary | Inclination of maxillary and mandibular deciduous canines | 6 months | Yes | |
Primary | Amount of interincisor diastema | 10 days | Yes | |
Secondary | Amount of differential expansion on the maxillary and mandibular dental arches | 6 months | Yes |
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