Significant costs associated with obtaining cadaveric temporal bones (TBs) have led many to seek more cost-effective alternatives for TB surgical simulation. Multiple studies support the face validity of resin 3-dimensional (3D)-printed TBs as high-fidelity, useful alternatives for simulating TB dissection. However, a paucity of literature describes the cost or time associated with in-house manufacturing of resin TBs at scale. This paper reviews the hardware and manufacturing costs, and time required for in-house development of resin TB models for an annual dissection course. An open-source library of TB models was queried for a candidate model which was edited for optimal printing on a recently developed resin 3D printer. In the described workflow, we were able to 3D-print 60 TB models at $6.40 each, for a total material cost of $384.10, less than the price of a single cadaveric TB specimen (∼$400-$700).
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