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ISSN: 2637-4692

Modern Approaches in Dentistry and Oral Health Care

Opinion(ISSN: 2637-4692)

Use of Chlorhexidine Solution as an Additional Step in Combination with Conventional and Two or Three Step Adhesive Systems

Volume 3 - Issue 3

Diogo de Azevedo Miranda1* and Ana Paula Bartocci2

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    • 1 Faculty of Medical Sciences and Health, Brazil
    • 2Dental of Faculty of Medical Sciences and Health, Brazil

    *Corresponding author: Diogo de Azevedo Miranda, Faculty of Medical Sciences and Health, Brazil

Received: December 03, 2018;   Published: December 07, 2018

DOI: 10.32474/MADOHC.2018.03.000165

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Adhesion to dental tissues is one of the main lines of research today, mainly the chemical evolution of adhesives, which allowed the restorative procedures to be performed with greater speed and predictability. Bonding to dentin is a unique form of tissue engineering in which a matrix of demineralized collagen with residual crystals of hydroxyapatite is used as the basis for the infiltration of resinous monomers, forming the hybrid layer. Most adhesive systems currently available on the market produce good initial bond strength values, allowing the clinician to stick to the dental structure without the need for retentive preparation [1]. Despite technological advances in adhesive materials, clinical and laboratory studies [2,3] confirm the inexorable degradation of the bonding of the composite resin to dental tissues in the long term [4]. The simplification of adhesive procedures was done at the expense of the use of more hydrophilic resinous monomers, responsible for the formation of hybrid layers with lower hydrolytic stability4. Ideally, the network of collagen fibrils exposed after conditioning with phosphoric acid should be completely infiltrated. However, it is known that there is a decrease in the diffusion gradient of the resinous monomers, creating defects at the base of the hybrid layer which manifest morphologically as an unprotected collagen zone. The collagen fibrils of this non-infiltrated zone show structural instability, since they are not enveloped by the resinous monomers [5].

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