Cavity wall adaptation of resin-based composites lined with flowable composites

Denise Estafan, Ashraf Estafan, Karl F. Leinfelder

Research output: Contribution to journalArticlepeer-review


Purpose: To compare the adhesion of a flowable resin-based composite (RBC) vs. a condensable RBC to tooth structure using scanning electron microscopy (SEM). Materials and Methods: Fifteen recently extracted human teeth were prepared for Class I restorations and equally divided into three groups. Group 1 was filled with Heliomolar bonded with Syntac Single Component. Group 2 was lined with Flow-It in addition to ALERT condensable RBC bonded with Bond-1 Primer/Adhesive. Group 3 was filled with ALERT bonded with Bond-1 Primer/Adhesive. All teeth were thermocycled, sectioned and evaluated for gap formation with the SEM. Results: SEM at x15 demonstrated that restorations with the flowable RBC at the tooth/restoration interface showed no evidence of marginal gaps between the RBC material or at the underlying tooth structure. A significant difference (P< 0.05) in wall adaptation was found between Groups 2 and 3.

Original languageEnglish (US)
Pages (from-to)192-194
Number of pages3
JournalAmerican journal of dentistry
Issue number4
StatePublished - Aug 2000

ASJC Scopus subject areas

  • General Dentistry


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