Ubunini busanzwe bwa plaque fibre, turashobora kugabanya ingano iyo ari yo yose ukurikije ibyo ukeneye, niba utazi guhitamo, ingano ikurikira irashobora koherezwa
Ingano isanzwe ya plaque ya karubone, turashobora kugabanya ubunini ubwo aribwo ukeneye, niba utazi guhitamo, ingano ikurikira irashobora koherezwa