Three-dimensional evaluation of hybrid expander appliances: A pilot study

• DOI: 10.2319/121214-902.1
• Publication Date: 2015-04-29T14:39:47Z
• Authors: Mehmet Akin; Yasin Erdem Akgul; Zehra Ileri; Faruk Ayhan Basci...
• Keywords: Premolar; Maxillary incisor; Hyrax; Posterior teeth

To evaluate transverse dimensional changes in dentoalveolar and skeletal structures caused by hybrid expander, using cone-beam computed tomography (CBCT).The CBCT records of nine patients (five boys four girls) (mean age 13.61 ± 0.72 years) treated with expander were examined. images taken at pretreatment after the expansion. ELSA (point equidistant to both foramina spinosa) was determined as a reference point compare distances all three dimensions. Nineteen transversal dimensions angles measured for right left sides. Wilcoxon signed rank test used statistical comparison P < .05 levels.A V-shaped expansion suture successfully achieved without teeth support. The amount opening greater anterior than posterior inferior superior. An 8.75-mm screw patients. Expansion effects reverberated maxillary central incisor, canine, first premolar, molar 70%, 75%, 92%, 89%, respectively. tipped buccally (right 3.06° 3.24°) did premolars 2.88° 3.02°).The minimally invasive appliance that protects including bone support, can be easily rapid treatment.