english: From the start, tar,  a black, resinous material, begins to coat the teeth and gums, damaging tooth enamel,  and eventually causing decay.
non_english: Već u startu, katran, crni, smolasti materijal, počinje da pravi naslage na zubima i desnima, oštećujući zubnu gleđ i vremenom uzrokujući propadanje.