A custom tray is constructed to fit the mouth of a specific patient and is used to __________, _______, and __________.
a. save money, reduce chair time, reduce patient discomfort
b . adapt to the patient’s mouth, fit around any anomalies, reduce the amount of impression material needed
c. adapt to the patient’s mouth, aid the laboratory technician, provide for a better restoration
d . reduce patient cost, reduce chair time, reduce patient discomfort