Devices descending from K973236

2 later devices reach Crest Toothbrush with Microshield through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K020776	Medoral Hygienic Toothbrush with Dentosan Filaments	Coronet Group North America, LLC	2002	1	—
+2	K022900	Butler Gum Vari-Clean Power Toothbrushes	John O. Butler Co.	2002	0	—