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Odontoestomatología
versión impresa ISSN 0797-0374versión On-line ISSN 1688-9339
Resumen
GARCIA, Andrés; LOPEZ JORDI, María del Carmen; FABRUCCINI, Anunzziatta y LIBERMAN, Judith. Effect of chlorhexidine pretreatment on demineralized dentin bond strength. Odontoestomatología [online]. 2023, vol.25, n.42, e230. Epub 01-Dic-2023. ISSN 0797-0374. https://doi.org/10.22592/ode2023n42e230.
Objective:
To analyze the bond strength to healthy and demineralized dentin, immediately and after 6 months, using a 2% chlorhexidine (CHX) pretreatment.
Method
: 40 healthy third molars with incomplete root development were abraded exposing dentin. The pieces were subjected to pH cycling. They were randomly divided into 2 groups: with and without CHX. In dentin, 4 resin buttons were created using universal adhesive in self-etching mode. The samples were stored in distilled water at 37ºC until analysis. Micro shearing was carried out at 24 hours and at 6 months of aging.
Results:
Healthy dentin group, without immediate CHX presented higher bond strength (23.37±1.84). (Demineralized dentin group, without CHX, aged) presented the lowest bond strength (8.87±1.51).
Conclusions
: CHX prior to adhesive application doesn’t improve bond strength values to healthy or demineralized dentin in short nor long term.
Palabras clave : Demineralized dentin; Universal adhesives; Chlorhexidine; Young permanent teeth.
