Evaluación de carga bacteriana en brackets metálicos versus brackets cerámicos

Abstract

Objective: To assess the bacterial load in metallic and ceramic brackets and determine which favor dental plaque retention. Material and methods: Extracted premolars divided into 2 groups and analyzed. In one group metal brackets were placed and in the other group, ceramic brackets. Results: Statistical analysis were performed and it was determined that there was no significant difference. Conclusion: The type of bracket used in the orthodontic treatment, is not a determining factor in bacteria adhesion and therefore plaque accumulation as long as proper hygiene is maintained.

Actividad antimicrobiana de adhesivo ortodóntico con nanopartículas de plata sobre Streptococcus mutans

“…The results of the inhibition halos produced with each concentration of AgNPs, showed that in the qualitative evaluation of sensitivity it is evident that 100% of the samples at 25 ppm have activity | null on Mutans streptococci; at 75 ppm 50% (10; 20) Tristán et al 7 , en su estudio "Future impact of nanotechnology on medicine and dentistry" manifiestan que cada vez existen más aplicaciones concretas como la de las nanopartículas de plata en la medicina y la odontología, se utilizan como una alternativa más segura para empastes dentales ya que poseen propiedades antidesgaste, antifúngicas y antibacterianas. Para Cardoso 8 existe un número creciente de informes sobre la actividad bactericida de Ag-NPs y sobre su actividad contra biofilms bacterianos.…”

“…Tristan and colls. 7 , in their study "Future impact of nanotechnology on medicine and dentistry", they state that there are more and more specific applications such as silver nanoparticles in medicine and dentistry, they are used as a safer alternative for dental fillings as they have antiwear, antifungal and antibacterial properties. For Cardoso 8 there is an increasing number of reports on the bactericidal activity of Ag-NPs and on their activity against bacterial bio-films.…”

“…Los resultados obtenidos en esta investigación evidencian que existe coincidencia con los planteamientos antes referidos, al observar que existe efecto inhibitorio sobre Streptococcus mutans, no obstante, que las concentraciones de AgNPs son menores a las que estudió Padovani et al 7 . Se comprueba la hipótesis de investigación: Existe actividad antimicrobiana las AgNPs a diferentes concentraciones sobre el Streptococcus mutans en sistemas adhesivos ortodónticos con diferencia significativa respecto a la clorhexidina al 0.12%.…”

“…Además de una mayor incidencia de caries, con aparatología fija se evidencia una reacción inflamatoria de los tejidos gingivales, cuando la acumulación de la placa bacteriana alrededor de la aparatología adherida sobre la superficie de los dientes se acompaña con una higiene bucal deficiente 4,7 . El tratamiento ortodóntico produce cambios en el medio oral debido al aumento del número de superficies retentivas para la biopelícula incrementando los niveles de Streptococcus mutans 8 .…”

“…In addition to a higher incidence of caries, with fixed appliances, an inflammatory reaction of the gingival tissues is evident, when the accumulation of bacterial plaque around the appliances attached to the surface of the teeth is accompanied by poor oral hygiene 4,7 . Orthodontic treatment produces changes in the oral environment due to the increase in the number of retentive surfaces for the biofilm, increasing the levels of Mutans streptococci 8 .…”