Before the visit, ask the dentist what procedures will be performed so there are no surprises. Plan a course of action to manage your child's reaction to the visit. Some children may be non-cooperative. Talk to your child about what to expect and build excitement as well as understanding about the upcoming visit.
To retract is to withdraw something you said or did. When you made a statement and then realized you spoke in error and take back what you said, this is an example of a situation where you retract your statement.
Subtraction is a common mathematical operation that means you are taking away from some group or objects. The amount remaining after subtraction will be less. The three parts of any subtraction problem are the minuend, the part you start with; the subtrahend, the part being taken away; and the difference, the part left over.