ParaPost 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