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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
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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