With the advent of three-dimensional (3D) printing, there has been an enhanced focus on the creation of models in dental education. These models range all the way from simple teeth for predoctoral educational programmes to more sophisticated models that can be used in both continuing educational settings and in postgraduate/graduate specialty programmes. In this article, the development of a model to teach the decompression technique is described along with a case report that demonstrates the application of this procedure. Parole chiave: 3D-printed model, CBCT, cyst, decompression, educational model, guided endodontics, minimally invasive