In Namibia, sticks taken from a plant known as muthala inhibit the growth of pathogens that cause decay, gum disease, and sore throats.
Namiibias närimispulgana kasutatav diospüüri - nimeline taim pärsib hammaste lagunemist, igemepõletikku ja kurguvalu põhjustavate mikroobide paljunemist.