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Table 7 Mean retention force (Mean) and standard deviation (SD) expressed in Newtons for the different material groups (DECBL = Denzir sandblasted; DECUNBL= un-sandblasted; PROCERA) and storage times (Months). The results are based on pooling the values for the two storage media.

From: Use of zinc phosphate cement as a luting agent for Denzir™ copings: an in vitro study

Material Months N Mean ± SD
DECBL 0.5 6 1358.8 ± 486.5
DECBL 12 6 2108.7 ± 1351.6
DECUNBL 0.5 6 1587.3 ± 558.8
DECUNBL 12 6 2153.5 ± 722.8
PROCERA 0.5 6 1512.8 ± 662.2
PROCERA 12 6 1818.2 ± 524.5
  1. N = number of samples