abstract the present invention relates to devices and methods for measuring the permeability of dentin. more particularly, the invention relates to devices and methods of quickly and accurately measuring the permeability of dentin using a flow cell. ______________________________ Translation of abstract patent summary: "Permeability flow cell and hydraulic conductance system". The present invention relates to devices and methods for measuring dentin permeability. more particularly, the invention relates to devices and methods for quickly and accurately measuring dentin permeability using a flow cell.abstract the present invention relates to devices and methods for measuring the permeability of dentin. more particularly, the invention relates to devices and methods of quickly and accurately measuring the permeability of dentin using a flow cell. ______________________________ tradução do resumo resumo patente de invenção: "célula de fluxo de permeabilidade e sistema de condutância hidráulica". a presente invenção refere-se a dispositivos e métodos pa-ra medir a permeabilidade de dentina. mais particularmente, a inven-ção se refere a dispositivos e métodos para medir rápida e precisa-mente a permeabilidade de dentina com o uso de uma célula de fluxo.