Justus isn't naming the offices, but said everyone who sees a dentist should be concerned. Although the situation does not pose a serious health risk, the bacteria that builds up in syringe tubes could be harmful to people with weakened immune systems. He advises patients to make sure hygienists flush out the syringes for a few minutes before using them. The project earned him an A-plus in science class and the envy of his classmates. He got extra credit for entering the science fair.
Many middle schools require a science project as part of the curriculum.
The students come up with their own hypothesis and conduct the research. She described Justus' project as thorough, original and well-thought out. Ringer and other district administrators went to Fort Myers last week for the state competition hosted by the Florida Foundation of Future Scientists at the University of Central Florida in Orlando. The fair drew about 700 regional winners from middle and high schools across the state. Competition was stiff.