 This systematic review provides an overview of the current state of 3D printing technology in the field of pediatric dentistry. The authors discussed the advantages of 3D printing compared to conventional methods, including its ability to produce more accurate and customized space maintainers. Additionally, they highlight the need for further research into the accuracy, efficacy, clinical success rates of different 3D printing technologies, materials, and designs for additive manufacturing of space maintainers. This article was authored by Paradox Arian, Parachers Arian, Pedram Sendi, and others.