Title: teeth whitening.
Opening questions:
Are tooth whiteners safe?
What makes teeth turn browner over time?
How has society’s definition of a perfect smile changed over time?
Are whiter teeth necessarily healthier than darker teeth?
Is it true that drinking coffee stains your teeth?
How much money is spent on advertising tooth-whitening products each year?
What percentage of Americans feel bad about the shade of their teeth?
finally, you write freewrite single draft page about the topic you selected and describe it in detail.