Ngubani umnini b oral brand? I-Oral-B luphawu lweemveliso zococeko lomlomo, eziquka ibhrashi yamazinyo, intlama yamazinyo, kunye nokuhlamba umlomo, ebisele ikwimarike ngaphezulu kweminyaka engama-60.Uphawu lwasekwa ngo-1950 nguGqr. Robert W. Hutson, ugqirha we periodontist, owayila ibhrashi yamazinyo ethambileyo, iibristles ezenziweyo...
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