Incorporating three-dimensional printing in orthodontics.

in models are sturdy enough to be reused for making replacements. There are also numerous advantages to converting to a fully digital workflow, including fewer appointments that are shorter and more consistent in length; enhanced patient comfort; avoidance of impression redundancy and the need for band fitting; elimination of shipping expenses, delays, and model breakage; shorter laboratory turnaround time; improved office cleanliness; and better communication with the laboratory technician. Simply stated, the digital workflow promotes both patient comfort and practice efficiency. The primary disadvantages of a digital office lab are the cost and maintenance of the 3D printer, the annual cost of a CAD/CAM software subscription, and the expense of a laser welder if metal This article, the fourth in our series, describes the advantages of converting to a digital laboratory process. We will also review the steps needed to incorporate 3D printing in the orthodontic practice.