Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Ebe ọ na-agafe: A na-akpọ njikọ dị n'etiti gingiva na ezé ahụ dentogingival junction. Njikọ a nwere ụdị epithelial atọ: gingival, sulcular, na junctional epithelium. Ụdị atọ ndị a na-esite n'ìgwè mkpụrụ ndụ epithelial a maara dị ka epithelial cuff dị n'agbata ezé na ọnụ. A ghọtachabeghị ọtụtụ ihe banyere nzụlite gingival, ma a maara na hemidesmosomes na-etolite n'agbata epithelium gingival na ezé ma bụrụkwa ndị na-ahụ maka njikọ epithelial mbụ. Hemidesmosomes na-enye ebe nkedo n'etiti mkpụrụ ndụ site na obere filament-dị ka ihe owuwu nke ihe fọdụrụ na ameloblasts nyere. Ozugbo nke a mere, epithelium na-ejikọ ọnụ na-etolite site na epithelium enamel belatara, otu n'ime ngwaahịa nke enamel organ, ma na-ekewa ngwa ngwa. Nke a na-ebute mmụba na-abawanye ụba nke epithelial junctional na nkewapụ nke ihe fọdụrụ na ameloblasts site na isi iyi nri ọ bụla. Ka ameloblasts na-emebi, a na-emepụta ihe dị ka gingival sulcus.  Ajụjụ: Olee ihe na-eme ka e nwee ihe a na-akpọ gingival sulcus?
ameloblasts na-emebi emebi