NEET PG Dental/MDS (NEET MDS)

Dental material is a subject that forms the basis of other dental subjects and thus, must be thoroughly prepared to quickly cover some topics of other subjects as well for MDS entrance exams. Being an uninteresting and volatile subject, it may be stressful to prepare this subject as it needs lots of memorization.

As this subject can be correlated with conservative dentistry and prosthodontics, thus, some of the topics that you might have covered in former subject will be revised here whereas preparing this subject will assist you in the preparation of prosthodontics more efficiently. Moreover, to cover the syllabus of Dental Materials in nick of the time, you need a selective study approach and strategy.

Thus, PrepLadder will cast light upon the tips for systematic preparation and the important topics that should not be missed while preparing this subject.

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Tips to Prepare:

  • Prepare notes and flash cards for quick review before the exam
  • Revise the notes regularly to enhance memory
  • Take subject-wise mock tests to validate your preparation
  • Stay committed and motivated

Also Read:  Ten steps to crack NEET MDS

Important topics to be prepared in Dental Materials:

TOPIC

SUB-TOPIC

GENERAL CLASSES AND PROPERTIES OF DENTAL MATERIALS

  • Munsell’s Colour system
  • Hardness tests
  • Creep
  • Stress
  • Strain
  • Resilience
  • Proportional limit
  • Modulus of elasticity

IMPRESSION MATERIALS

  • Hydrocolloids:
  • Agar – characteristics, composition
  • Alginate - Composition, gelation process, controlling setting time, dimensional stability, disinfection, laminate technique
  • Elastomeric Impression Materials- Impression making, properties.
  • Inelastic impression Materials – Impression compound- dimensional stability, disinfection
  • Zinc oxide eugenol impression paste - composition and setting, manipulation, properties

GYPSUM PRODUCTS

  • Types of gypsum products
  • Setting reaction
  • Control of setting time and modifiers for controlling setting  time
  • Manipulation
  • Mechanism of setting expansion
  • Hygroscopic setting expansion
  • Effect of water powder ratio

DENTURE BASED RESINS

  • Thermoset and Thermoplastic resins
  • Addition and condensation polymerization
  • Cross linking
  • Copolymerization
  • Advanced resins

ACID ETCHING AND COMPOSITES     

  • Mechanism of adhesion
  • Smear layer
  • Acid etch technique
  • Dentin bonding agents
  • Composition and classification
  • Polymerization shrinkage
  • Finishing of composites
  • Light curing systems and lasers

DENTAL CEMENTS

 

  • Glass ionomer cement: Classification, properties, manipulation, setting reaction, modified GIC
  • Zinc phosphate cement: Chemistry, setting, clinical manipulation and properties
  • Zinc polycarboxylate cement - Clinical manipulation and properties

DENTAL WAXES

  • Composition and classification
  • Flow and mechanical properties

METALLURGY

  • Annealing
  • Heat treatment
  • Stainless steel: types, properties
  • Nitinol, Cobalt chromium alloys, titanium.
  • Direct filling gold - cohesive gold, electra alloy, degassing, classification.
  • Gold alloys- base metal alloys, composition, casting shrinkage, white gold alloys.
  • Alloy systems- eutectic alloys, Hardening methods, recrystallisation of metals, tempering of metals

DENTAL AMALGAM

  • Classification
  • Trituration
  • Amalgamation reaction
  • Properties
  • Polishing and finishing
  • Mercury toxicity

CASTING AND INVESTMENT PROCEDURES

  • Types of investment
  • Setting expansion
  • Casting shrinkage
  • Sprue and its components
  • Defects in casting
  • Fluxes
  • Pickling

DENTAL CERAMICS

  • Classification
  • Composition
  • Methods for strengthening ceramics
  • Firing shrinkage
  • Porosity
  • Ceramic systems
  • Porcelain denture teeth

Reference BOOKS:

  • Phillips' Science Of Dental Materials
  • Craig's Restorative Dental Materials
  • Sturdevant's Art And Science Of Operative Dentistry

We hope your preparation for MDS entrance exams is in full swing and this blog will further assist you in preparing this subject meticulously.

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