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A comparison between the shear bond strength of brackets bonded to glazed and deglazed porcelain surfaces with resin-reinforced glass-ionomer cement and a bis-GMA resin adhesive.
World J Orthod. 2006 Summer; 7(2):134-7.WJ

Abstract

AIM

This study compared the shear bond strength of a light-cure resin-reinforced glass-ionomer cement with a bis-GMA light-cure resin system in the bonding of stainless steel brackets to glazed and deglazed porcelain surfaces.

METHODS

Porcelain surfaces were divided into 4 groups: group 1, deglazed porcelain surfaces with Transbond XT, group 2, glazed porcelain surfaces with Transbond XT; group 3, deglazed porcelain surfaces with Fuji Ortho LC; and group 4, porcelain surfaces with Fuji Ortho LC. Microetching with 50-microm aluminum oxide for 2 seconds at a distance of 5 mm deglazed the porcelain surfaces in groups 1 and 3. All brackets were bonded to the porcelain surfaces using the same procedure and light-cured for 40 seconds with a visible light. All samples were thermocycled between 5 degrees C and 55 degrees C for 300 cycles before testing for shear bond strength with a universal testing machine.

RESULTS

The analysis of variance showed no significant difference (P < .05) among the 4 groups; ie, group 1, 10.12 MPa; group 2, 7.00 MPa; group 3, 6.78 MPa; and group 4, 11.15 MPa. The F test also failed to demonstrate any statistical difference among the groups.

CONCLUSION

Conditioning the porcelain surfaces with 37% phosphoric acid immediately followed by a nonhydrolyzed silane coupling agent resulted in clinically adequate bond strength when using either a composite resin or a resin-reinforced glass-ionomer cement. Microetching of these porcelain surfaces apparently offers no bonding advantage.

Authors+Show Affiliations

Department of Orthodontics, College of Dentistry, Intercontinental University, Mexico City, México. braces@prodigy.net.mxNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

16779971

Citation

Lifshitz, Abraham B., and Marianela Cárdenas. "A Comparison Between the Shear Bond Strength of Brackets Bonded to Glazed and Deglazed Porcelain Surfaces With Resin-reinforced Glass-ionomer Cement and a bis-GMA Resin Adhesive." World Journal of Orthodontics, vol. 7, no. 2, 2006, pp. 134-7.
Lifshitz AB, Cárdenas M. A comparison between the shear bond strength of brackets bonded to glazed and deglazed porcelain surfaces with resin-reinforced glass-ionomer cement and a bis-GMA resin adhesive. World J Orthod. 2006;7(2):134-7.
Lifshitz, A. B., & Cárdenas, M. (2006). A comparison between the shear bond strength of brackets bonded to glazed and deglazed porcelain surfaces with resin-reinforced glass-ionomer cement and a bis-GMA resin adhesive. World Journal of Orthodontics, 7(2), 134-7.
Lifshitz AB, Cárdenas M. A Comparison Between the Shear Bond Strength of Brackets Bonded to Glazed and Deglazed Porcelain Surfaces With Resin-reinforced Glass-ionomer Cement and a bis-GMA Resin Adhesive. World J Orthod. 2006;7(2):134-7. PubMed PMID: 16779971.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A comparison between the shear bond strength of brackets bonded to glazed and deglazed porcelain surfaces with resin-reinforced glass-ionomer cement and a bis-GMA resin adhesive. AU - Lifshitz,Abraham B, AU - Cárdenas,Marianela, PY - 2006/6/20/pubmed PY - 2006/8/2/medline PY - 2006/6/20/entrez SP - 134 EP - 7 JF - World journal of orthodontics JO - World J Orthod VL - 7 IS - 2 N2 - AIM: This study compared the shear bond strength of a light-cure resin-reinforced glass-ionomer cement with a bis-GMA light-cure resin system in the bonding of stainless steel brackets to glazed and deglazed porcelain surfaces. METHODS: Porcelain surfaces were divided into 4 groups: group 1, deglazed porcelain surfaces with Transbond XT, group 2, glazed porcelain surfaces with Transbond XT; group 3, deglazed porcelain surfaces with Fuji Ortho LC; and group 4, porcelain surfaces with Fuji Ortho LC. Microetching with 50-microm aluminum oxide for 2 seconds at a distance of 5 mm deglazed the porcelain surfaces in groups 1 and 3. All brackets were bonded to the porcelain surfaces using the same procedure and light-cured for 40 seconds with a visible light. All samples were thermocycled between 5 degrees C and 55 degrees C for 300 cycles before testing for shear bond strength with a universal testing machine. RESULTS: The analysis of variance showed no significant difference (P < .05) among the 4 groups; ie, group 1, 10.12 MPa; group 2, 7.00 MPa; group 3, 6.78 MPa; and group 4, 11.15 MPa. The F test also failed to demonstrate any statistical difference among the groups. CONCLUSION: Conditioning the porcelain surfaces with 37% phosphoric acid immediately followed by a nonhydrolyzed silane coupling agent resulted in clinically adequate bond strength when using either a composite resin or a resin-reinforced glass-ionomer cement. Microetching of these porcelain surfaces apparently offers no bonding advantage. SN - 1530-5678 UR - https://www.unboundmedicine.com/medline/citation/16779971/A_comparison_between_the_shear_bond_strength_of_brackets_bonded_to_glazed_and_deglazed_porcelain_surfaces_with_resin_reinforced_glass_ionomer_cement_and_a_bis_GMA_resin_adhesive_ DB - PRIME DP - Unbound Medicine ER -