ijda00050 Article. Occurrence of Cusp 7 (Metaconulid) in Permanent Lower First Molars - Report of 4 Cases and Review of Literature. http://www.ijda.syllabapress.com/abstracts/ijda00050.html . (c). 2012-02-15T06:35:21Z 2012-02-15T06:35:21Z All rights reserved 2008-08-09T03:09:30Z 2008-08-09T03:09:30Z August 9, 2008 3:09:30 AM UTC 2008-08-09T03:09:30Z