The document presents a study on toothpaste and toothbrush usage in Vietnam, highlighting that females brush more frequently than males, with common timings before and after meals. P/S is the dominant brand in popularity, while changing toothbrushes is infrequent with only 15% doing so monthly. Key concerns among respondents include bad breath and decayed teeth, with significant attention given to the effects of toothpaste such as whitening and cavity prevention.