Question 275 · LDEK · Bridges
Methods of chemical conditioning of adhesive bridges, in order to achieve better connection between metal retentive elements with fixating cement and abutment teeth or veneering material, include:
1) tinning;
2) pitting corrosion;
3) Rocatec and CoJet systems;
4) electrochemical etching;
5) the use of primers
Correct answer is:
2) pitting corrosion;
3) Rocatec and CoJet systems;
4) electrochemical etching;
5) the use of primers
Correct answer is:
- A. 1,3,5.
- B. 1,3,4.
- C. 3,4,5.
- D. 2,4,5.
- E. 1,4,5.
Hint
Separate treatments that make the metal bond chemically to resin cement from methods creating micromechanical retention, such as etching.
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