Print this page Email this page
Users Online: 296
Home About us Editorial board Search Ahead of print Current issue Archives Submit article Instructions Subscribe Contacts Login 
Year : 2013  |  Volume : 3  |  Issue : 3  |  Page : 216-221

Resin bond to root dentin: Influence of adhesive systems and solvent drying time

1 Department of Dental Materials and Prosthodontics, São Paulo State University, Sao Paulo, Brazil
2 Department of Dental Materials, Federal University of Pelotas, Pelotas/RS, Brazil
3 Department of Dentistry, Federal University of Rio Grande do Norte, Natal/RN, Brazil
4 Department of Dental Restorative Dentistry, Federal University of Santa Maria, Santa Maria, Brazil

Correspondence Address:
Rodrigo O A Souza
Department of Dentistry, Federal University of Rio Grande do Norte, Natal/RN, Rua Praia de Guajirú, 9215, Ponta Negra, Natal/RN. Cep: 59.092-220
Login to access the Email id

Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2278-9596.129567

Rights and Permissions

Background: Endodontically treated teeth with damaged coronal tooth structure need an additional retention to provide a durable restoration. We evaluate different adhesive systems and solvent drying time on the push-out bond strength of fiber posts luted to root dentin. Materials and Methods: For this in vitro study, the canals of 90 bovine teeth (16 mm in length) were prepared, the roots were embedded (14 mm) in acrylic resin and allocated into nine groups (n = 10), according to the "adhesive system" (Multi-bottle etch-and-rinse self-curing adhesive system-MBSC/ Scotchbond Multi-Purpose; Simplified etch-and-rinse dual-curing adhesive-SLC/One-Step; Simplified etch-and-rinse light-curing adhesive-SDC/Excite DSC) and "solvent drying time" (control, 50 s and 110 s). The fiber posts were luted using resin cement and composite cores were made. Each set of root/post/core was submitted to mechanical cycling (10.000.000 cycles, 84 N, 4 Hz). Each root was cut into four disk-samples (1.8 mm in thickness) and submitted to push-out testing. The data (MPa) were analyzed using analysis of variance (ANOVA) (two-way) and Tukey's test (5%). Results: The factor "adhesive system" (P = 0.0081) influenced the bond strength significantly (ANOVA). The MBSC groups (6.0 ± 2.2 MPa) promoted higher bond strength than SLC groups (3.7 ± 2.1 MPa) b and was similar to SDC groups (4.4 ± 3.4 MPa) a, b (Tukey). Conclusion: The solvent drying time did not affect the bond strength of fiber postluted to root dentin, regardless the adhesive solution used.

Print this article     Email this article
 Next article
 Previous article
 Table of Contents

 Similar in PUBMED
   Search Pubmed for
   Search in Google Scholar for
 Related articles
 Citation Manager
 Access Statistics
 Reader Comments
 Email Alert *
 Add to My List *
 * Requires registration (Free)

 Article Access Statistics
    PDF Downloaded198    
    Comments [Add]    

Recommend this journal