abstract letter os or so logo icon. creative letter os logo in white color

font text brand screenshot circle logo presentation diagram line number multimedia organ poster document advertising design label darkness abstract letter icon creative vector white color isolated black background applied high-end modern orthodontic office style symbol health medical care clinic doctor dentist healthy tooth dentistry medicine dental oral smile logo os icon abstract vector business design technology font concept alphabet template circle black creative graphic typography web sign idea letter modern corporate company shape letters branding logotype text typeface brand