PRACTICE SCRIPT 2026 QUESTIONS
WITH SOLUTIONS GRADED A+
>> outline dental amalgam
Answer: powdered alloy and liquid mercury mix
>> ISO 1559
Answer: ISO 1559 limits the powder alloy composition to (mass fraction %):
>> outline the EU Regulations on Dental Amalgam Use
Answer: no use of amalgam in:
>> what are advantages of dental amalgam
Answer: strong
>> what are disadvantages of dental amalgam
Answer: environment concerns with mercury
>> outline safety precautions when dealing with amalgam
Answer: good ventilation - mercury vaporises with temperature increase
>> outline amalgam aspiration equipment
Answer: aspirator tubing and bottles collect mercury rich amalgam when this is carved away during
restorative procedures
>> what is this
Answer: mercury spillage and decontamination kit
>> outline the protocol for amalgam spillage/ capsule leakage
Answer: locate mercury spillage kit (red plastic box)
>> what should never be used to pick up mercury
Answer: never use vacuum cleaner or aspirator to pick up mercury
>> can mercury be disposed of in the sharps bin
Answer: never dispose of mercury in the sharps bin
>> what can be used instead of the sulphur and calcium mixture and outline how it is used