喙齒 (Chhùi-khí)的 (ê)中心 (tiong-sim)是 (sī)空心 (khang-sim)的,佇 (tī)起 (khí)kha遐 (hia)叫做 (kiò-chò)今廣 (kin-kńg),佇起棺 (khí-koan)遐叫做齒髓腔 (khí-chhoé-khiuⁿ)。佇齒髓腔佮 (kap)今廣有 (ū)軟組織 (nńg-cho͘-chit)號做 (hō-chò)齒髓 (khí-chhoé),由 (iû)神經 (sîn-keng),微血管 (bî-hoeh-kńg),aminoblast佮結締 (kiat-tè)組織 (cho͘-chit)來 (lâi)組成 (cho͘-sêng)。神經佮血管 (hoeh-kńg)是對 (tùi)齒槽骨 (khí-chô-kut)經界 (keng-koè)起尻尾 (khí-kha-boé)的小空縫 (sió-khang-phāng)來的。