Research Article

Temperature Rise during Primer, Adhesive, and Composite Resin Photopolymerization of a Low-Shrinkage Composite Resin under Caries-Like Dentin Lesions

Table 2

Temperature rise values (mean ± SD) during photopolymerization under demineralized and undemineralized dentin disks ( ).

GroupsGroups definitionsMean ± SD (°C)
Undemineralized dentinDemineralized dentin

1 T Dentin (10 s light curing)
2 T Dentin (40 s light curing)
3 T LS System adhesive primer (10 s light curing)
4 T LS System adhesive bond (10 s light curing)
5 T Filtek LS with primer and adhesive (40 s light curing)
6 T Filtek LS without primer and adhesive (40 s light curing)

Means followed by different letters show statistical differences: ( = 0.05).
Lower case letters: comparison of dentin discs at each procedure (row).
Capital letters: comparison of each photopolymerization step for each kind of dentin (column).
T: temperature change.