Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Levi Spear Parmly, likitan hakora daga New Orleans, an yaba da kirkirar nau'in farko na igiyar hakori. A shekara ta 1819, ya ba da shawara a yi amfani da zaren siliki "a tsakanin hakora, tsakanin wuyansu da kuma ƙashin gumis, don a cire abin da ba zai iya cirewa ba kuma shi ne ainihin tushen cuta". Ya ɗauki wannan a matsayin mafi muhimmanci na kula da baki. Ba a sayar da zaren ba har zuwa 1882, lokacin da kamfanin Codman da Shurtleft suka fara samar da zaren siliki mara kyau. A cikin 1898, Kamfanin Johnson & Johnson ya sami lasisi na farko don zaren haƙori wanda aka yi shi daga kayan siliki iri ɗaya da likitoci ke amfani da su don suturar siliki. Daya daga cikin farkon kwatancin amfani da zaren haƙori a cikin almara na adabi an same shi a cikin shahararren littafin James Joyce na Ulysses (wanda aka buga a cikin 1918<unk>1920), amma karɓar zaren ya yi ƙasa kafin Yaƙin Duniya na II. A lokacin yakin, likitan Charles C. Bass ne ya kirkiro zaren nailan. An gano cewa zaren nailan ya fi siliki saboda tsananin juriya da kuma saboda ana iya samar da shi a cikin tsayi da girma dabam-dabam.Floss ya zama wani ɓangare na al'adun kulawa na yau da kullun na Amurka da Kanada a cikin 1970s.  Tambaya: Mene ne Parmly ya ƙirƙira?
ƙyallen hakori