Define the task
State what the material must achieve.
OBSERVE / REASON / EXPLAIN
Compare materials by intended use and handling requirements.
An examiner asks you to choose between two available impression materials. State the recording task and compare the relevant properties before selecting.
Material selection considers biological compatibility, mechanical behaviour, accuracy and the clinical or laboratory task.
State what the material must achieve.
Discuss relevant properties and handling limitations.
Use the specific product instructions and supervised protocol.
Try answering aloud, then open the suggested answer. Examiner questions vary.
No. Confirm the formulation, intended use and instructions.
The task must be completed within the usable handling period.
No. They describe different mechanical properties.
Incorrect storage or expiry can compromise performance.