3D Analysis of Palatal Morphology of Growing Patients Treated With Rapid Palatal Expander.

The aim of the present study is to assess the changes of palatal morphology among growing patients with different vertical facial growth patterns treated with rapid palatal expander. Thirty-six patients referred to "Policlinico Agostino Gemelli" university hospital will be selected. The eligible criteria are posterior cross-bite, mixed dentition, skeletal Class I relationship and prepubertal stage of cervical vertebral maturation. The patients will be split into three groups according to facial divergency (hyper-, hypo-, normodivergent subjects). For each subject, digital dental casts will be recorded before and after treatment using an intraoral scanner. To evaluate two-dimensional maxillary arch changes, linear measurements will be done. To study comprehensively the palatal shape, a set of 240 landmark and semi-landmarks will be digitized on the palatal vault. Then, Geometric Morphometric Analysis (GMA) will be performed to compare morphological variations of the palate among different vertical facial growth pattern groups.

This description comes directly from the study's public registry record.

Massimo Cordaro  ·  +393356309535  ·  massimo.cordaro@policlinicogemelli.it

Angelica Guastamacchia  ·  +393495015135  ·  angelica.guastamacchia01@icatt.it

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