COMPARISON OF WORKING TIME IN PLACEMENT OF CONVENTIONAL MATRIX VS PRE CONTOURED MATRIX (PRITHIKSHA.N, Dr. DELPHINE PRISCILLA ANTONY. S, Dr. LAKSHMI PRABHA, Dr. LAKSHMI PRABHA , Trans.). (2022). Cuestiones De Fisioterapia, 51(3), 420-428. https://doi.org/10.48047/rgs6e540