After achieving coronal seal, the roots were coated with two layers of fingernail polish and one layer of stickywax except for the apical 2-3mm and then placed into India ink and incubated at 37潞c for 72h. The roots were removed from the dye, fractured longitudinally and liner dye ...
Ciliated cells have tiny hairs (cilia) on their surface. There are multiple ciliated cells inside the nasal passage which can trap foreign particles (dust, germs, etc.) and effectively 'sweep' them to the back of the throat. Smell receptors are also present around the nasal passage to help...