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Quintessence International



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Quintessence Int 22 (1991), No. 6     1. June 1991
Quintessence Int 22 (1991), No. 6  (01.06.1991)

Page 455-465

Quantitative in vivo evaluation of four restorative concepts for mixed Class V restorations
Krejci / Lutz / Loher
This study was performed in vivo over a 6-month period to assess restorative margins in Class V restorations placed with different techniques. The margins were evaluated quantitatively under the scanning electron microscope using the replica technique. Results indicated that the sandwich technique using a glass-ionomer cement base and a composite resin restoration was not able to prevent marginal gaps in dentin. However, the experimental Gluma/Clearfil system resulted in a quality of dentinal margins not statistically significantly different from that of enamel margins. These in vivo findings substantiate in vitro results.