Journal of Conservative Dentistry
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ORIGINAL ARTICLE
Year : 2011  |  Volume : 14  |  Issue : 2  |  Page : 147-150

Comparative evaluation of the enamel bond strength of 'etch-and-rinse' and 'all-in-one' bonding agents on cut and uncut enamel surfaces


1 Department of Conservative Dentistry, K. M. Shah Dental College and Hospital, Piparia-Vadodara, India
2 Department of Conservative Dentistry, Vyas Dental College and Hospital, Jodhpur, India
3 Department of Conservative Dentistry, P. M. N. M. Dental College and Hospital, Bagalkot, India

Correspondence Address:
Deepu Patil
Department of Conservative Dentistry, K. M. Shah Dental College and Hospital, Piparia - 391 760, Vadodara, Gujarat
India
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Source of Support: Mcods - Manipal College of Dental Sciences, Conflict of Interest: None


DOI: 10.4103/0972-0707.82616

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Aims and Objectives : To compare tensile bond strength of an 'etch-and-rinse' bonding agent (Single bond,3M ESPE, MN, USA) with an 'all-in-one' bonding agent (iBond, Heraeus Kulzer, NY, USA) on cut and uncut enamel surfaces. The null hypothesis tested is that the 'all-in-one' bonding agent matches the 'etch-and-rinse' bonding agent in terms of tensile bond strength to enamel. Materials and Methods : Forty extracted human mandibular teeth were used for the study. Twenty teeth with intact enamel surfaces were divided into two groups of 10 teeth each. The enamel surfaces of the 20 teeth were prepared and assigned to two more groups of 10 teeth each. One group each of intact and prepared enamel surfaces were used to bond with the 'etch-and-rinse' bonding agent [Single bond (SB), 3M ESPE, MN, USA] and the other two groups one each of intact and prepared enamel surfaces were used to bond with the 'all-in-one' bonding agent [ iBond (IB), Heraeus Kulzer, NY, USA]. The tensile bond strength was measured on the universal testing machine (Unitek, 9450 PC, FIE, INDIA) at a cross head speed of 1 mm / minute. Results : The results were statistically analyzed using a one-way ANOVA and student 't' test. The values for the 'etch-and-rinse' bonding agent SB were significantly higher for both the cut and uncut surfaces, compared to the 'all-in-one' bonding agent IB (P < 0.05). The all-in-one bonding agent resulted in a higher bond strength on the cut enamel surfaces. Conclusions : Based on the results, it is advisable to use the 'etch-and-rinse system' in a clinical situation requiring bonding on enamel alone.


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