GC EUROPE G-aenial Bond - Manual (Page 31)

31
after ML
after TC
100 %
90
80
70
60
50
G-ænial Bond/
Filtek Z 250
G-ænial Bond/
Gradia Direct Posterior
G-ænial Bond/
Kalore
G-ænial Bond/
G-ænial Posterior
G-ænial Bond Technical Manual
Etch-and-rinse technique, Class I
The study followed the test set-up as defined on page 28
• Eight Class I preparations per group were prepared and filled in extracted human molars
• After phosphoric-acid etching of the enamel and dentine portions of the preparations for 10 seconds with 37% phosphoric
acid (Omni-etch, Omnident), the preparations were filled with G-ænial Bond in combination with either Gc Gradia Direct
Posterior, GC G-ænial Posterior, GC Kalore or Filtek Z250 (3M ESPE) using an incremental technique.
Figure 28: Amount of "continuous margin" (MQ1) in % of the entire margin length in enamel of class I restorations (TM 1 = after
thermocycling (TC), TM 2 = after mechanical loading (ML)) for the tested self-etch adhesive G-ænial Bond using the etch-and-rinse
technique in combination with one of four composite resins. Source: adapted excerpt from Dr u. Blunck, charité universitätsmedizin
Berlin, Germany, 2010
When used with the etch-and-rinse technique, the marginal adaptation of class i restorations after
thermocycling (tc) and mechanical loading (ml) showed very high amounts of “continuous
margin” in enamel, demonstrating a high quality margin and independent of the composite used
(median and mean values 96% to 98%).
Conclusion of the class I study
Within the limitations of this study, the adaptation of G-ænial Bond to enamel in class I
preparations has proven to be very effective using either the self-etch or the etch-and-rinse
technique, independent of the composite used.
Conclusion from the above studies
The self-etch and selective etching techniques both demonstrated effective marginal
adaptation of G-ænial Bond to enamel in class I and to enamel and dentine in class V
preparations. Long-term clinical marginal adaptation and durability of the bond can be
expected to be excellent, based on the results of the thermocycling and mechanical loading
tests conducted in these studies.