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Hello, I'm a grade 11 IB student, and i need help finalizing my IA topic. I have my brief layout planned out. I am trying to find out the time we need to brush minimum to get clean healthy teeth. As a substitute for organic toothpaste, I'm using sodium bicarbonate, and then to create a similar reaction like we touch the brush to out mouth, I'm planning to titrate it a fruit juice and then trying to neutralize it, although I don' know if it makes sense. The indepent variable will be the time exposure of the titration of both, and dependent variable will be the effectiveness of the neutralization, although im trying to figure out how to do that.


Can anyone please help me figure out how to better do this, and a new research question?


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