Table 3: Specimen distribution for the failure mode on glow discharge treatment.

Cement	Failure Mode (number of specimen)
-	Cohesive	Adhesive	Mixed
RelyX Ultimate	12	5	4
RelyX Unicem 2	8	4	8
Multilink Auto-mix	8	4	8
Ceramir	7	5	8
Ketac-Cem	0	20	0