Fracture Resistance of Endodontically Treated Maxillary Premolars Restored by Various Direct Filling Materials: An In Vitro Study

Table 3

Tukey multiple comparisons test between selected groups.

Group comparison	MD (95% CI)	L/SE (L)	Significance
B versus G	−9.625	0.269788	NS ()
C versus D	200.5	5.62	HS ()
C versus F	93.375	2.617294	NS ()
C versus E	90.25	2.529701	NS ()
D versus E	290.75	8.149701	HS ()
D versus H	73.875	2.070711	NS ()
E versus F	3.125	0.087594	NS ()

Mean difference (MD), confidence interval (CI), high significance (HS), no significance (NS), B (unfilled), C (composite oblique layering), D (composite cusp coverage), E (bulk fill), F (glass-ionomer), G (amalgam), group H (proximal box cavity).