dentofacial anomalies
Conditions
Interventions
Experimental group: 25 patients aged between 25 and 45 years will do the process of intermaxillary suture disjunction using a hirax screw supported by 4 mini-implants, installed bicortically, in th
E04.545
E06.342.764
Sponsors
Faculdade de Odontologia Universidade de São Paulo
Hospital Universitário da da Universidade de São Paulo
Eligibility
Age
25 Years to 45 Years
Inclusion criteria
Inclusion criteria: Brazilian nationality; Craniofacial growth completed; Transverse maxillary deficiency, with or without posterior crossbite, unilateral or bilateral; Age between 25 and 45 years old, male and female; permanent dentition, with at least the first or second permanent upper molars; Good dental conditions and periodontal health. No history of previous orthodontic treatment; Absence of systemic diseases or congenital deformities. Transverse maxillary discrepancy greater than 4mm and less than 10mm
Exclusion criteria
Exclusion criteria: Absence of permanent maxillary first molars and pre- molars. Presence of deformities or congenital syndromes; Presence of cleft lip and palate; Presence of systemic diseases
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Opening of the midpalatal suture, verified by computed tomography at the beginning and end of the study. | — |
Secondary
| Measure | Time frame |
|---|---|
| By means of computed tomography, the following parameters will be analyzed at the beginning and at the end of the study: aeropharyngeal space; maxillary dimensions in the transverse direction; maxillary sutures; gingival and periodontal changes; assessment of mini-implant inclination; the improvement in pain and quality of life will also be evaluated through a questionnaire | — |
Countries
Brazil
Contacts
Public ContactJosé Neto
Faculdade de Odontologia Universidade de São Paulo
Outcome results
None listed