missing tooth root number Bill Duncan 10/18/2017: This data property provides a means to query for missing tooth roots. Since a missing tooth root is not a tooth root, it is wrong represent a missing tooth root as an instance of a tooth root. Rather, we represent a missing tooth root by respresenting the instance of the dentition and then specify with this data property that the dentition is missing a tooth root that is associated with the tooth designated by the universtal tooth number. 2017-10-18T20:39:14Z a data property whose value is an ADA universal tooth number that represents the tooth associated with a tooth root that is missing from a dentition Bill Duncan Bill Duncan