The Suremark DentalMark Leaded X-Ray Markers have been Designed specifically for the dental industry. The DentalMark Marking System can be use in facial marking, denture marking, and guided surgery. DentalMark™ for conventional Cephalometrics. Designed specifically for the dental industry. For a variety of uses in facial marking, denture marking, and guided surgery. 1.0mm Lead Ball, is ideal for use with Conventional Cephalometrics.