1.       Following pictures show one tooth.

      Write down  the name of this tooth using three possible symbols





2.       Describe typical signs of deciduous dentition





3.       Enamel contains


a)       70% inorganic substances, 20% organic substances, 10% water

b)      98% inorganic substances, 2% organic substances and water

c)       50% Hydroxylapatit and 50% keratin




4.       Treatment of  the cavitated caries lesion


a)        is based on intensive fluoridation

b)       is based on preparation and filling

c)        depends on  lost of minerals



5. According to its history dental caries can be


       a) superficialis, media and pulpae proxima

       b) penetrating or undermining

 c) acute or chronic


 6. Habitual clean  areas (places) are:




  7. Tick the temporary filling materials


Wax, composites, zinoxideugenol  cement, zinkoxidphosphate cement, amalgam, guttapercha, gypsum,
glasionomers.



    8. Glassionomer  cement is


a)       a temporary filling material only

b)      a  permanent filling material

c)       a temporary filling material, a material for base, luting material and sometimes also a

root canal filling material.



   9.  The most suitable material for the V. class  cavity which si situated  out of  enamel is


     a) composite

     b) glassionomer

     c) amalgam



  10. Maximum rpm in electromotors is


   a)  40.000

   b) 400.000

   c) 160.0000


11. Main components of composites are


a) organic matrix  (Bowen’s monomer and other dimetacrylates) and inorganic filler
(aluminiumsilicate glass, silica particles and others)  bonded together with a silane

b) dimethacrylate resin with addition of inorganic  particles without any chemical bonding

c) methylmatecrylate mixed with silica particles







12.  For which fillings (classes) is necessary to use the matrix band?




13. Square is a symbol for


a)       H-file

b)      K-File

c)       Reamer



14. Describe the technique of circumferential filing:






15. Infiltration anaesthesia  is suitable for


a)  all maxillary teeth

b)  lower anterior teeth

c) lower molars


16. Instruments for extractions are:





17. Asepsis is a procedure


a)       of killing of all pathogens

b)      which does not allow any microbs penetrete into the operation field

c)       cold sterilization


18.  Class II.  according to Voldřich is


a)       a dental arch with gaps

b)      a reduced dental arch

c)       a reduced dental arch with gaps



19. Biological factor is


 a) comprehension of factors influencing the quality of the abutment tooth

b) the periodontal status of the abutment tooth

c) the quality of the endodontic treatment of abutment teeth



20. Premolars are pilots


a)       class 1

b)      class 2

c)       class 3




21. Casting model is


a)       made of  an investment material

b)      of a special casting material

c)       of a wax


 22. Major connector


a)       a part of the metal framework for the transmission of occlusal forces

b)      a part of the clasp made of wire

c)       a part of the metal framework for its retention


 23.The parts of  removable denture Class II. are


a)       metal framework, arteficial teeth teeth and acrylic base

b)      abutments, pontic and clasps

c)       abutments and pontics


  24. The direct method of fabrication of dentures


a)       requires taking of impressions

b)      can be done without any impression

c)       is suitable for removable dentures


25. The instrument in the picture below is



a)       extraction forceps – for maxillary molars

b)      extraction forceps for mandibulary molars

c)       special forceps for third mandibulary molars