CAD/CAM design and 3D printing of a personalised rapid palatal expander for maxillary transverse deficiency

Authors

  • Chunlin Wang Department of Orthodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China
  • Xiaosong Xiang Department of Orthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, Guangdong, China
  • Qin Mao Department of Orthodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China
  • Conghua Liu Department of Orthodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China

DOI:

https://doi.org/10.47391/JPMA.8363

Keywords:

Bone-borne rapid maxillary expansion, Maxillary transverse deficiency, Personalised, Mini-implants

Abstract

Bone-borne rapid maxillary expansion appliances can achieve skeletal expansion while avoiding the undesirable dental side effects caused by a conventional rapid palatal expansion appliance. Typically, these (bone-borne appliances) included prefabricated devices, which can have limitations such as inadequate palatal adaptation leading to anchorage loss. In addition, as bone thickness is not accounted for, prefabricated expanders cannot ensure the primary stability of the mini-implants. These disadvantages can be overcome by customisation. This report aims to describe the digital design and three-dimensional printing workflow for constructing a personalised rapid palatal expander (pMARPE) and present a case depicting its application in a 27-year-old female with 5.0 mm transverse discrepancy between the maxilla and the mandible. The result demonstrated that the pMARPE could be manufactured without the need for conventional impression or laboratory procedures and effectively expanded the palate of an adult patient with maxillary transverse deficiency.

Published

2023-12-24

How to Cite

Chunlin Wang, Xiaosong Xiang, Qin Mao, & Conghua Liu. (2023). CAD/CAM design and 3D printing of a personalised rapid palatal expander for maxillary transverse deficiency. Journal of the Pakistan Medical Association, 74(1), 153–157. https://doi.org/10.47391/JPMA.8363

Issue

Section

Case Report