How to Prepare Dental Materials for MDS Entrance Exams

Details: Published: 19 August 2017

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