A comparative study of the abrasive quality of commercially available toothbrushes in Metro Manila
Three samples each of five brands (namely Dental PRO, Dr. West, PRO, Oral B and Cepillo) of toothbrushes were tested for abrasiveness. The fifteen specimens of teeth were irradiated by 131 I and were subjected to 45 seconds of horizontal brushing. Two preliminary and two postbrushing gamma countings...
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| Formato: | Thesis |
| Idioma: | English |
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