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Table 3 Mean retentive forces (Mean) and standard deviations (SD) of the different material groups (DECBL = Denzir sandblasted; DECUNBL= un-sandblasted; PROCERA) expressed in Newtons. The values are based on pooling the values generated at the two storage times and the two storage media.

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

Material Mean ± SD N Duncan Grouping
DECUNBL 1870.4 ± 683.2 12 A
DECBL 1733.8 ± 1044.7 12 A
PROCERA 1665.5 ± 591.4 12 A
  1. N = number of samples