Tinman writes:Examples Underserved areas, Federal Loan Repayment Options, Medical or Family Situations
Completing this section is optional. Many dental schools appreciate the fact that some applicants have overcome obstacles on the path to their goals. You are welcome to provide any information and describe any background experiences that may have put you at an educational, social, or economic disadvantage as you prepare to apply to dental schools. -ADEA website
It's all very subjective, if you think you were disadvantaged, then fill out the following questions in that section. It's really not going to make a difference one way or another unless they actually decide you were disadvantaged.If you believe you are disadvantaged as far as finances are concerned, put it down. You have a chance to explain yourself when you apply for school loans or government loans. They have the final say as to who is considered disadvantaged or not.