A na-akpọ njikọ dị n'etiti gingiva na ezé ahụ dentogingival junction. Njikọ a nwere ụdị epithelial atọ: gingival, sulcular, na epithelium junctional. Ụdị atọ a sitere na ọtụtụ mkpụrụ ndụ epithelial a maara dị ka epithelial cuff n'etiti ezé na ọnụ. A naghị aghọtacha ọtụtụ ihe gbasara nhazi gingival, ma a maara na hemidesmosomes na-etolite n'etiti epithelial gingival na ezé ma bụrụ ndị na-ahụ maka ntinye epithelial mbụ. Hemidesmosomes na-enye nkedo n'etiti mkpụrụ ndụ site na obere filament-dị ka ihe ndị fọdụrụ na ameloblasts. Ozugbo nke a mere, epithelium junctional na-ebelata site na epithelium nke enamel, otu n'ime enamel nke ahụ, ma na-ekewa ngwa ngwa. Nke a na-ebute n'ịbawanye nkewapụ nke epithelial epithelial n'etiti ezé na ọnụ.
ameloblasts na-emebi emebi