Sizes 3, 4, 4.5, 5, 5.5, 6, 7ParaPost XH is a passive cemented, parallel-sided post with rounded, undercut head for direct post/core buildups in one appointment. This titanium alloy post is ideal for glass ionomer/composite core buildups, which require the safety of a passive post. • Rounded edges of the head minimize stress points that could lead to core failure • Undercut, slotted head securely locks on glass ionomer and composite core materials firmly and easily • Raised diamond-shape retention pattern provides maximum retention with the additional safety of a passive post