Credit test, 1 st year 2009/2010. Spring semester.
Date:
Name:
Result:
1. Index PBI
a) is a papilla bleeding index
b) is an index that shows the treatment needs in periodontology
c) is important for motivation of patients
2. If the finding of investigation is CPITN 4
a) dental calculus was found
b) periodontal pocket deeper than 5 mm was found
c) bleeding of gingiva was found only
3. Interdental brushes
a) should be used daily
b) must have the proper size
c) are useful for the root canal cleaning
4. Describe the WHO periodontal probe
5. Class I. acc to Angle is
a) normoocclusion
b) distoocclusion
c) mesioocclusion
6. What is infraocclusion (orthodontics)?
7. Zincoxidphosphate cement is
a) mixed of powder and liquid
a) a temporary filling material
b) is light curing one component material
8. The principle of connection of amalgam to hard dental tissues is
a) macromechanical
b) micromechanical
c) chemical
9. Basic rules of preparation of cavities are:
9. The black coded diamond bur is
a) standard
b) coarse
c) extra fine
10. The gear of the blue coded handpiece is
a) 1:1
b) to slow
c) to fast
11. In which cavities the matrix band is not used?
a) class I
b) clas II
c) class IV
12. Describe the purpose of wooden wedges
13. Which preparation instruments are used for excavation of carious dentin?
14. Thick the correct answer
a) the retentive border must be prepared for composites
b) glassionomer cements release fluorid ions
c) the thermal expansion of glassionomers is similar to dentin
15. Thick the premanent filling materials:
Zinkoxideugenol cement, glasssionomer cement, amalgam, zinkoxidphosphate cement, gypsum
16. Calcium hydroxide
a) can improve the healing potential of dental pulp
b) can be used as a protection of dental pulp againts chemical irritation
c) can be used as a temporary root canal filling
d) its ph is around 12,5
17. The symbol of the K - file is
a) triangle
b) square
c) circle
18. Describe the principle of the single cone method of the root canal filling.
19. What is a spreader?
20. Describe the concequences of early loss of deciduous molars