Accuracy, precision and eye for detail are essential factors in each dental 3D print. New resins designed for these applications have a very fine granulometry, as well as rigid and certified processing protocols. The dental resins used are biocompatible and certified IIa class according the directive 93/42 ECC, indeed they are used for temporary restoration without any toxicity or allergenicity danger. Temporary crown 3D printing allows to optimize production and time cost.