Alpiste-Illueca, Francisco Dimensions of the dentogingival unit in maxillary anterior teeth: a new exploration technique (parallel profile radiograph). [electronic resource] - The International journal of periodontics & restorative dentistry Aug 2004 - 386-96 p. digital Publication Type: Journal Article ISSN: 0198-7569 Subjects--Topical Terms: AdultConnective Tissue--anatomy & histologyEpithelial Attachment--anatomy & histologyGingiva--anatomy & histologyHumansPeriodontium--anatomy & histologyRadiography, Dental--methods