J Korean Acad Pediatr Dent.  2018 Nov;45(4):436-444. 10.5933/JKAPD.2018.45.4.436.

Shear Bond Strength of a 3-in-1 Flowable Composite Resin to Primary Teeth

  • 1Department of Pediatric Dentistry, School of Dentistry, Pusan National University, Yangsan, Korea. shinkim@pusan.ac.kr


The purpose of this study was to compare the shear bond strengths of 3-in-1 flowable composite to the enamel and dentin of primary teeth to previous adhesive systems. 110 primary incisors were prepared and divided into two groups: Dentin group included 5 groups: 1) Scotch bond Multi-purpose plus(DSM), 2) Single-bond 2(DSB), 3) Clearfil SE bond(DSE), 4) All bond universal(DAB), 5) Constic(DC), and Enamel group included 6 groups: 1) Scotch bond Multipurpose plus(ESM), 2) Single bond 2(ESB), 3) Clearfil SE bond(ESE), 4) All bond universal(EAB), 5) Constic(EC), 6) Constic with additional etching(ECE). A cylinder of composite was bonded to the prepared surface, and the shear bond strength was measured. In the dentin groups, group DC had significantly lower shear bond strength than group DSE. No significant difference was found between group DC, group DSM, group DSB and group DAB. In the enamel groups, there was no significant difference between group EC, group ESE, and group EAB. This material showed lowest shear bond strength among all tested materials in both enamel and dentin groups, showing insignificant difference with some adhesive systems. Therefore, 3-in-1 flowable composite can be used for primary teeth restoration but further studies are needed.


Shear bond strength; 3-in-1 flowable composite; Adhesive system; Primary teeth

MeSH Terms

Dental Enamel
Tooth, Deciduous*
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