you are taking a preliminary impression to an 8- year- old girl. while seating the mandibular tray, the child grabs the handle of the tray and state, " i dont want that in my mouth". you need to take this impression for diagnostic models. describe techniques that you can use with this child to obtain the impression.
You can bribe the child with a prize for when the procedure is finished.
You could make it a game, give them a sticker or a small stuffed animal once they have "won". Which in this case they finished the procedure