The Influence of No-Primer Adhesives and Anchor Pylons Bracket Bases on Shear Bond Strength of Orthodontic Brackets

Table 2

Descriptive and analytical statistics of the six groups tested (MPa).

Groups	Adhesive	Mesh	n	Mean	SD	Min	Median	Max	Tukey*
1	Transbond XT	Anchor pylons	20	17.67	6.90	6.16	16.29	31.19	A
2	Ortho Cem	Anchor pylons	20	16.10	5.76	7.15	16.41	25.96	A
3	Heliosit	Anchor pylons	20	11.35	4.20	4.29	10.60	22.24	C, B
4	Transbond XT	80-gauge mesh base	20	13.78	4.95	7.49	11.57	23.12	A, C
5	Ortho Cem	80-gauge mesh base	20	8.31	3.52	4.00	7.72	16.27	B, D
6	Heliosit	80-gauge mesh base	20	10.64	1.89	7.60	10.81	13.60	C, D

∗Tukey grouping. Means with the same letters are not significantly different.