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. 2023 Oct 27;34(4):115–126. doi: 10.1590/0103-6440202305411

Table 1. Mean values (µm) and standard deviation of the film thickness considering both heating conditions.

Resin composite No preheating Preheating
Universal Restorative 286.83 (16.15) a, A 206.72 (13.88) a, B
Filtek Supreme Ultra 259.60 (26.44) a, A 214.52 (42.85) a, B

* Tukey’s post hoc test: different capital letters in the same row indicate a statistically significant differences. Different lowercase letters in the same column indicate statistically significant differences. Standard deviation in parentheses.