VERY IMPORTANT QUESTIONS OF DENTISTRY EXAMs

These are the very important questions for the bachelor in dental surgery (BDS)1ST  year student.so make  sure you know all these questions to qce the exam..umm I have mentioned chapter wise question so make sure o check them .i hope you will find it helpful..
BDS 1st YEAR IMPORTANT QUESTION FOR THE EXAM FROM DENTAL MATERIALS SUBJECT.


1)GENERAL PROPERTIES OF  DENTAL MATERIALS
:modulus of elasticity
:different type of corrosion
:difference b/w malleability and ductility ,rigidity and toughness.
:Creep and flow
:thermal conductivity and thermal diffusivity.
:Define tarnish and corrosion .explain galvanic corrosion and protection against corrosion.
:define stress and strain and it's types
:Define hue value and Chroma.
:write about electrochemical corrosion


2IMPRESSION MATERIALS
:short note on composition and setting of alginate.
:classification of impression compound  and impression materials.
:list various elastomeric impression materials and describe composition  setting reaction advantage disadvantage of condensation silicone.
:gelation process of alginate
:Classify the impression material and write compositionsetting reaction advantage and disadvantage of alginateand zinc oxide eugenole(Zoe).
:Write various elastomeric impression  material .write the compositionsetting reaction and use of any two of them.
:describe addition silicone impression materials .
:write the use if alginate hydrocolloid and zinc oxide eugenol impressionmaterial.
:short notes on agar agar and  polysulfide

3)GYPSUM PRODUCT S
:Setting rxn of gypsum
:different type of gypsum products
:different type of gypsum product and factors affecting the setting of gypsum.
:factor affecting the strength of dental plaster.
:normal and hygroscopic expansion
:describe about dental stone and dental plaster
:describe about gypsum products
:write about various dental plaster
:define models cast and die and method to control setting time of gypsum also write reaction and setting expansion of gypsum.

4DENTAL WAXES
:write note on classification of dental waxes
:write about dental waxes
:write composition and properties of inlay wax

5)BONDING AGENT
:write notes on bonding agent
:write note on acid etching
:write about hybrid layer

6)COMPOSITE RESIN
:classify composite resin and write about small particle composite resin
:write about composition of composite resin and it's polymerization mechanism.
:Elaborate composite with setting mechanism.
:write about biological property of composite resin
:write all polymerization technique  of composite resin and it's advantage and disadvantages of each technique
:write advantage and disadvantages of light cure technique
:write in brief about restorative procedure  of class 1 cavity with composite resin.
:write note on siloxanes
:classify composite based on particle size and mode of curing
:define polymerization shrinkage

7)DENTURE BASED MATERIALS
:Classify denture base materials and write its causes of porosity in acrylic denture base.
:Write about polymerization shrinkage of dBR
:explain different porosity denture base .list the materials for maxillofacial prosthetics..


source :question bank