MODULE 15 & 16 —Block V
Dental Amalgam
Part 1
Composition, classification & the amalgamation reaction
Dr. Ambreen Azam
MSc Dental Materials, UK
, R e s t o ra ti v e M a t e r i a l s
Learning Objectives
●DMPD2 DM-002
●Describe and relate the function of each component of dental
After This Session
amalgam alloy to its physical properties.
You will be able to
●Explain the role of the mercury–alloy ratio and its effect on connect an amalgam's
the setting reaction and long-term performance of amalgam composition to its
restorations. behaviour in the mouth
— why it sets,
●Correlate the manipulation parameters of amalgam with the strengthens, and
mechanical and physical properties of the final restoration. eventually corrodes.
●Evaluate the evidence on amalgam toxicity and justify its
clinical safety in comparison with other environmental and
dietary sources of mercury exposure.
●Explain mercury hygiene guidelines and describe the protocols
for safe amalgam waste disposal. 2
, Restorati ve Materials
Overview
1 Introduction
2 Composition & role of each constituent
3 Classification of dental amalgam
4 Setting reaction (amalgamation)
5 Microstructure of the alloys
3
Dental Amalgam
Part 1
Composition, classification & the amalgamation reaction
Dr. Ambreen Azam
MSc Dental Materials, UK
, R e s t o ra ti v e M a t e r i a l s
Learning Objectives
●DMPD2 DM-002
●Describe and relate the function of each component of dental
After This Session
amalgam alloy to its physical properties.
You will be able to
●Explain the role of the mercury–alloy ratio and its effect on connect an amalgam's
the setting reaction and long-term performance of amalgam composition to its
restorations. behaviour in the mouth
— why it sets,
●Correlate the manipulation parameters of amalgam with the strengthens, and
mechanical and physical properties of the final restoration. eventually corrodes.
●Evaluate the evidence on amalgam toxicity and justify its
clinical safety in comparison with other environmental and
dietary sources of mercury exposure.
●Explain mercury hygiene guidelines and describe the protocols
for safe amalgam waste disposal. 2
, Restorati ve Materials
Overview
1 Introduction
2 Composition & role of each constituent
3 Classification of dental amalgam
4 Setting reaction (amalgamation)
5 Microstructure of the alloys
3
