Evaluation of the accuracy of a 3D-printed palatal auxiliary device for maxillary protraction after palatal expansion.

ABSTRACT:

Objective

This study aimed to evaluate the accuracy of a three-dimensional (3D)-printed palatal auxiliary device (PAD) compared to computer-aided design (CAD) reference data.

Methods

Thirty patients who underwent orthodontic treatment using a PAD for maxillary protraction after palatal expansion were included in this study. Two groups of 15 patients were analyzed to compare the accuracy of the two PAD designs. Accuracy and adaptation were assessed through two sets of measurements: 1) deviations between the printed PAD and its CAD reference to determine printing accuracy, and 2) deviations in PAD positioning when clinically applied, simulated on a printed model. Sixteen measurement points (anterior, posterior, left, and right) were evaluated across the x-, y-, and z-axes and

SUBMITTER: Kim JH 

PROVIDER: S-EPMC12301421 | biostudies-literature | 2025 Jul

REPOSITORIES: biostudies-literature