. 2023 Jul 21;10(7):1258. doi: 10.3390/children10071258
© 2023 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Figure 4.
Hyrax expander on second primary molar.