onye nwere oral b brand? Oral-B bụ akara ngwaahịa eji ehicha ọnụ, gụnyere brọsh eze, ntacha eze na ịsa ọnụ, nke dịworo n'ahịa kemgbe ihe karịrị afọ 60.E hiwere ika a na 1950 site n'aka Dr. Robert W. Hutson, onye na-ahụ maka oge ochie, onye chepụtara brọsh eze nwere nro dị nro, sịntetik bristles th ...
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