NguCaitlin Rosemann EYunivesithi i-Still - eMissouri School of Dentistry and Oral Health Ubusazi ukuba i-enamel yamazinyo yeyona nto inzima emzimbeni womntu? I-enamel ngumaleko wangaphandle okhuselayo wamazinyo ethu. Iibacteria emilonyeni yethu zisebenzisa iswekile esiyityayo ukwenza iiasidi ezinokuphelisa ...
Funda ngokugqithisileyo