1.       Basic  principles of preparation are:




2.       Expain following terms:


Extention for prevention


Retention


Resistance


3.       Classification of dental caries acc. to its history


4.       Classification of dental caries acc. to Black:



5.       Which walls do we recognize in the cavity class II,?


6.       Describe the structure of enamel  and dentin (histology)





7.       Temporary fillnig materials are:






8.       Composition of

-          Amalgam


-          Composite filling materials



-          Glassionomers



9.       When and why do we make a base? Which materiál?



10.    Principle of setting of

-          Amalgam

-          Glassionomers

-          Composits



11.    Principle of connection of connection with hard dental  tissues

-          Amalgam

-          Glassionomers

-          Composits






12.    Draw the class V. cavities  for all materials



13.    What is matrix?




14.     For which cavities do we use a  matrix retainer?


15.    Describe the purpose of  the wedge



16.    What is matrix and in which cases do we use it?



17.    Classification of composite materiál acc. to mode of curing



18.    Which factors are necessary for beginning  of dental caries?



19.    What is biofilm?



20.    Explain origin od dental caries