Accuracy of 3-unit fixed dental prostheses fabricated on ...
2020-1-1 · Root mean squares (RMSs) were used to measure dimensional differences between the master model and the intaglio surface data of the digitized 3-unit FDPs. 29 RMSs were calculated by the following equation: R M S = 1 n ∑ i = 1 n (x 1, i − x 2, i) 2, where n is the sum of the measured points, x 1,i is the measuring point of the master model, and x 2,i is the measuring point of the data scanning the intaglio surface of the milled 3-unit …
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