Devices descending from K900179

3 later devices reach Screw-Vent Endosseous Implant Abutments through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K973926	O Butment HS Implant	O Co., Inc.	1998	1	—
+1	K961665	O Butment ET Implant	O Co., Inc.	1996	1	—
+2	K011574	Uniplant Dental Implant System	Universal Implant Systems, Inc.	2001	0	—