Since self-adhesive resin cements can self-cure, is it necessary to light cure them?

Some self-adhesive resin cements do have improved properties when light activated (dual-cured).

Table. Flexural strength (MPa) of self-cured and dual-cured, self-adhesive resin cements.

Cement Dual-
cured
Self-
cured
Maxcem
(Kerr)
49 55
Multilink Sprint
(Ivoclar Vivadent)
104 97
RelyX Unicem
(3M ESPE)
65 44