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Quintessence Publishing: Journals: JAD

 

The Journal of Adhesive Dentistry

Edited by Jean-François Roulet

ISSN (print) 1461-5185 • ISSN (online) 1757-9988

Publication:

Fall 2000
Volume 2 , Issue 3



Pages: 209-212
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Influence of Different Dentinal Substrates on the Tensile Bond Strength of Three Adhesive Systems.

Muench, Antonio; Da Silva, Eduardo M.; Ballester, Rafael Y.

Purpose: To evaluate the influence of the method and duration of storage for different types of teeth prior in their use in dentin bonding tests with three adhesive systems. Materials and Methods: Recently extracted sound human molars, bovine incisors, arid human canes-free molars obtained from exhumed bones 5 years postmortem were used. The latter group of teeth was kepi dry for 6 months, and then rehydrated in distilled water over a period of 30 days The adhesive systems used were Prime&Bond 2.1. Single Bond, and Etch″ 3.0. Human teeth were embedded longitudinally in PVC cylinders: bovine incisors were embedded leaving the buccal surface exposed. Flat dentin surfaces were cut with a diamond disk and ground w 0.05). Tensile bond strength averages ranged from 116 to 14 2 MPa, The dental substrates showed similar performances, regardless of the adhesives tested. Conclusion: The differences among the three dentin substrates do no appear to be critical for the tensile bond strength test for the three adhesive systems. The adhesive systems presented similar bond strengths.

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