Research Article

Bonding of Metal Orthodontic Attachments to Sandblasted Porcelain and Zirconia Surfaces

Table 5

Descriptive statistics of tensile bond strengths for bonding agents in zirconia group.

Bonding agentsMean (MPa)Std. deviationStd. error⁢95% confidence interval for mean
⁢Lower boundUpper bound

Reliance Assure plus125.3230.52490.1515⁢4.9905.657
Porcelain Conditioner125.2900.72870.2104⁢4.8275.753
Z Prime plus 125.2450.39000.1126⁢4.9975.493

Total365.2860.54990.0916⁢5.1005.472