Research Article

In Vitro Evaluation of the Effect of Different Luting Cements and Tooth Preparation Angle on the Microleakage of Zirconia Crowns

Table 3

Frequency of microleakage scores in each experimental condition (n = 7).

Tapering degreeMicroleakage scoreUnicem, n (%)Ultimate, n (%)GC, n (%)Hoffmann, n (%) value (Kruskal–Wallis)

6°02 (28.6)4 (57.1)2 (28.6)0.007
11 (14.3)1 (14.3)01 (14.3)
21 (14.3)1 (14.3)00
31 (14.3)1 (14.3)2 (28.6)0
41 (14.3)02 (28.6)0
51 (14.3)01 (14.3)4 (57.1)
60002 (28.6)

12°03 (42.9)7 (100)2 (28.6)1 (14.3).006
12 (28.6)02 (28.6)0
21 (14.3)001 (14.3)
31 (14.3)02 (28.6)2 (28.6)
400a1 (14.3)2 (28.6)
50000
60001 (14.3)

value (Mann–Whitney)0.3180.3140.4470.190