Clinical Trial of the Effect of Different Categories of Adhesive System

Status Active, not recruiting

Clinical Trial Summary

This study aims to evaluate the clinical effectiveness of contemporary resin-based adhesive systems by retention rate of resin restorations placed in non carious cervical lesions with four different adhesive strategies: 3 and 2 steps etch-and-rinse adhesive system, 2 and 1 step self-etch adhesive systems.

Clinical Trial Description

The etch-and-rinse (3 and 2 steps) and self-etch (1 and 2 steps) adhesive systems allow the bond between the resins restorations with the dental substrates, but they have mechanism of action different.

The success of resin composite restorations is reliant upon adhesion to the underlying tooth via adhesive systems. The mechanism of adhesion to enamel and dentine could be involved for one hand, the etching the substrates with 30-40% phosphoric acid, followed by the application of a primer and subsequently an adhesive resin 3 steps etch-and- rinse approach or 2 steps when to combine the primer and adhesive into one bottle. For another hand, the self- etch systems with acid monomers in their primer, allow conditioning the surface without phosphoric acid step. So, they consist of either a self-etching primer accompanied by an adhesive resin applied as a subsequent step (2 steps) or a self-etch adhesive, which does not require a separate primer (1 step). ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Outcomes Assessor), Primary Purpose: Treatment

Related Conditions & MeSH terms

Dental Caries

Clinical Trial Details

NCT number	NCT02751970
Study type	Interventional
Source	Universidad de Valparaiso
Contact
Status	Active, not recruiting
Phase	Phase 2
Start date	April 2014
Completion date	April 2018

View Details

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