Dental Material

Second Year , BDS

S no.


Learning objectives
( at the end of the session students should be able to )

Teaching guidelines



1. Physical  and  mechanical properties of dental materials
  1. Enumerate and explain various physical properties of dental materials.
  2. To differentiate between creep and flow.
  3. Explain various dimensions of color.
  4. Classify corrosion.
  5. Differentiate between tarnish and corrosion.
To cover  properties of dental material for appropriate selection, clinical manipulation
and to predict their behavior  under different oral conditions
  • Identification of dental materials
  • Demonstration of properties of dental material
  • Videos
  •  Quiz,
  • Interactive session


3 hr
2. Biocompatibility of dental materials
  1. Differentiate between toxicity, inflammation, allergy and mutagenicity.
  2. Discuss various biocompatibility tests.
  3. Discuss in short:
  4. Nickel hypersensitivity.
  5. Mercury toxicity.
  6. Latex allergy.
To cover characterstics of material that influence tissue compatibility and general biological safety.
  • Didactic audio- visual  aids,
  • Active interaction


2 hr
3. Equilibrium phases of alloy Explain…

  1. What is a phase diagram.
  1. What are eutectic alloys.
  1. What are peritectic alloys.
To cover the central importance of the metallurgy of alloys. Have knowledge of phases that are present in an alloy system for different compositions and temperature.
  • Didactic audio- visual  aids,
  • Active interaction,


2 hr
4. Gypsum
  1. Classify and discuss various gypsum products.
  2. Explain vicat and gillmore tests for testing setting time.
  3. Discuss thermal and hygroscopic setting expansion.
  4. Discuss various theories of setting reaction.
  5. Discuss  the w/p ratio of different gypsum products.


To cover various forms of gypsum. their use, properties and manipulation  in dentistry
  • Didactic audio-visual aids,
  • Models,
  • Quiz
  • Interactive session
3 hr
5. Basic metallurgy and dental casting alloys
  1. Classify dental casting alloys.
  1. Discuss  softening and hardening heat treatment of gold alloys.
  1. Enumerate various nobel and base metal alloys for metal ceramic restorations.
  1. Discuss various alloy systems for all metal restorations and fabrication of cast partial dentures.
To cover role of metals as dental prosthetic material. Alloys used in dentistry with their specific use and properties.
  • Didactic
  • Audio-visual aids
  •  Live models,
  • Active interaction
5 hr
6. Investment materials and casting procedures
  1. Discuss different investment materials used for casting procedure.
  2. Enumerate and describe various steps involved in casing procedure.
  3. Explain sprue design diagrammatically.


To cover manipulation of alloys for their use as various prosthetic restorations.
To study various investment materials used for casting procedure.
  • Didactic,
  • Audios & videos
  • Live demonstration
  • Active interaction
7. Casting defects
  1. Discuss different casting defects.
  1. Discuss the causes of defective casting.
To cover various types of defects and to understand reason for the defect in metal restoration due to defective casting procedure
  • Audio-visual aids
  • Photographs
  •  Active
  • Interaction
  • Quiz
3 hr
8. Wrought alloys Explain…

  1. What are wrought alloys.
  1. What is….
  2. annealing.
  • carbon steel
  • stainless steel
  • nickel titanium alloys
  • beta titanium alloys
To cover deformation of metals
types ,uses and properties of wrought alloys
  • Audios
  • Videos & live demonstration of properties with example
2 hr
9. Composits          Discuss Uses and application of esthetic restorative materials.

  1. What are dental composits.
  2. Give their composition and function of each component.
  1. Classify composits.
  2. Different methods for curing resin based composits.
  1. What are….
  • Hybrid composits
  • Macrofilled composits
  • Microfilled composits
 To cover Importance as esthetic restorative materials, uses and application.
Dental composits –composition and function manipulation.
  • Didactic, audios,
  • Videos
  • Interactive session
  • Clinical demostration


4 hr

Dental polymers denture base resins
  1. Classify dental polymers.
  1. Discuss chemistry of polymerization.
  1. Classify and discuss denture base resins with their composition.
  1. Disscuss manipulation of heat and cold cure acylic resin.
  1. Discuss compression moulding technique.
To cover application of resins in dentistry, requisites for dental resins, physical properties of polymers, chemistry of polymerization, types of denture base resins ,properties and uses
  • Didactic,
  • Videos & models,
  • Active interaction
5 hr
11. Ceramics
  1. Classify dental ceramics.
  2. Discuss their composition and function of each component.
  3. What  are the methods of strengthening ceramics.
  4. Recent advances in dental ceramics.
  1. Discuss ceramic layering.
To cover ceramics
Metal ceramic prosthesis
All ceramic prosthesis
composition of dental porcelain and their properties
  • Didactic,
  • Videos
  • Models
  • Ceramic layering
  • Demonstration,
  • Interactive session
5 hr
12. Dental cements
  1. Classify dental cements.
  1. What are fluoride releasing dental cements.
  2. Discuss cements as luting agents.
  3. Discuss….
  4. Zinc oxide eugenol cement
  5. Zinc phosphate cement
  6. Zinc polycaboxylate cement
  7. Glass ionomer cement
  8. Calcium hydroxide cement
  9. Resin cement
  10. Compomers
To cover various types of cements, uses, properties and their manipulation
  • Identification of cements,
  • Group discussion,
  • Demonstration of manipulation
5 hr
13. Cavity liners, Bases and varnish Discuss various cavity liners, bases and varnish with their indications. To cover composition, uses and manipulation of cavity liners. difference between cavity liners and varnish
  • Didactic,
  • Videos
  • Photographs
3 hr
14. Dental amalgam
  1. Classify and discuss the composition of dental amalgam.
  1. Discuss advantages and disadvantages of high copper, low copper alloys, unicomposition alloy systems.
  1. Discuss amalgamation.
  1. Discuss creep and flow in amalgam.
  1. Discuss Mercury alloy ratio
  1. Discuss Mercury toxicity
  1. Discuss Steps in amalgam manipulation.


To cover  Alloy composition
metallurgical phases in dental amalgams ,manufacture of alloy powder, amalgamation and clinical performance
  • Audiovisual aids
  •  Live demonstration of manipulation
  • Quiz
  • Interactive session
3 hr
15. Direct filling gold Explain…

  • What are different form of direct filling gold.
  • Compaction of direct filling gold
To cover use of gold foil as tooth filling material
forms of direct filling gold
  • Didactic, audio visual aids
  • Demonstration of properties
  • Quiz
  • Interactive session
2 hr
16. Soldering and Brazing
  1. Differentiate between soldering and brazing.
  2. Discuss flux.
  3. Discuss antiflux.
  4. Heat sources for soldering.
To cover the procedure of joining metal parts and indication and difference of soldering and brazing
  • Didactic, audio visual aids
  • Quiz,
  • Interactive session


2 hr
17. Waxes
  1. Discuss types and composition of inlay wax.
  2. Discuss flow.


To cover types of inlay wax
composition, desirable properties, flow, thermal properties manipulation of inlay wax
  • Identification of waxes
  • Demonstration of properties
  • Videos
  • Quiz,
  • Interactive session
2 hr
18. Finishing and polishing of dental materials Explain….

  1. What are principles of cutting, grinding, finishing and polishing.
  2. Differentiate b/w abrasion ,erosion and abfraction.
  3. Abrasive instrument design.
  4. What are different types of abrasives.
  5. Discuss finishing and polishing methods for various dental restorations.
To cover the benefits of finishing and polishing
principles of cutting, grinding, finishing and polishing
types of abrasives and their uses
  • Didactic, audio visual aids
  • Demonstration of properties
  • Quiz
  • Interactive session


3 hr
19.  Impression material
  1. Classify impression materials. Discuss in detail their composition and uses.
  2. Laminate impression technique.
  3. Disinfection of impressions.
To cover purpose and requirement of impression material
Types of impression materials for impression making
Impression techniques and their indications
  • Identification of impression materials
  • Demonstration of properties of impression material
  • Videos
  • Quiz
  • Interactive session
4 hr
20. Dental implant materials
  1. Classify dental implants
  2. Various dental implant material
  3. Osseointegration vs biointegration.
  4. Implant design and components
To cover Implant design and properties
Implant materials
Implant components
Clinical success of dental implants
Introduction to different implant system
  • Identification of dental materials
  • Demonstration of properties of dental material
  • Videos
  •  Quiz,
  • Interactive session


3 hr