Ask for each person with "Missed time" in 9b.
d. How much time did -- miss because of a dental problem or dental visit?
51[] Less than 1 hour
52[] 1 hour, less than 3 hours
53[] 3 hours, less than 5 hours
54[] 5 hours, less than 7 hours
55[] 7 or more hours
OR
Days ____