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- Title
Reducing microleakage in Class II restorations: An in vitro study.
- Authors
Crim, Gary A.; Chapman, Kenneth W.
- Abstract
The aim of this in vitro study was to evaluate four methods of reducing the marginal microleakage of directly placed Class 11 composite resin restorations. Mesio-occlusal and disto-occlusal preparations with all margins confined to enamel were placed in extracted human molars. The teeth were restored with one of four techniques using multi-incremental placement, stored for 24 hours in 37 °C water, thermocycled, and placed in a dye solution. The teeth were sectioned in a mesiodistal direction through the restoration and evaluated for microleakage at the gingival margins. Restorations placed in conjunction with an enamel bonding agent demonstrated severe microleakage. Marginal microleakage was reduced by the use of an extended base of visible light -- cured glass-ionomer cement, a BondAband, or a dentinal bonding agent.
- Subjects
DENTAL resins; CERAMIC coating; MOLARS; DENTAL bonding; ENAMEL &; enameling; DENTISTRY
- Publication
Quintessence International, 1994, Vol 25, Issue 11, p781
- ISSN
0033-6572
- Publication type
Article