Wane ne ya mallaki tambarin baka? Oral-B alama ce ta samfuran tsaftar baki, gami da buroshin hakori, man goge baki, da wankin baki, wanda ya kasance a kasuwa sama da shekaru 60.Dokta Robert W. Hutson, masanin ilimin zamani ne ya kafa ta a cikin 1950, wanda ya ƙirƙiri buroshin haƙori mai laushi, bristles na roba th ...
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