Este estudio in vitro evaluó el efecto del propóleo asociado a suspensión de Biosilicato en la resistencia de unión (RU) a dentina usando restauraciones compuestas. Fueron preparadas cavidades oclusales (5 mm x 4 mm x 4 mm) en 320 molares humanos utilizando fresas de carburo. La mitad de las muestras fue sometida a protocolos Des-Re para formación de caries artificial. Posteriormente, todos los dientes fueron separados en ocho grupos (n = 20) según tratamiento recibido antes del adhesivo (Single Bond Universal – 3M ESPE): Grupo Control – Sistema Adhesivo; Grupo CHX - Clorhexidina al 0,12 % (CHX); Grupo Bio – Suspensión de Biosilicato al 10% (Bio); Grupo P16 – Extracto de propóleo con bajo contenido de polifenoles (P16); Grupo P45 – Extracto de propóleo con alto contenido de polifenoles (P45); Grupo CHX Bio – CHX + Bio; Grupo P16 Bio - P16 + Bio; P45 Bio – P45 + Bio...

The teaching of dentistry changed. The effects of the pandemic, the virtualization of contents, and students belonging to Generation Z, demand for student-centered teaching where the classic teacher-centered learning is transformed into a student-centered education approach using didactic strategies like gamification. In this article, an experience carried out among fifth semester dental students is shared, using the resources of gamification to generate a meaningful teaching, leaving aside the master classes, and migrating to more efficient and effective student-centered learning models that generate a real commitment and motivation. Likewise, the perception of the students about the activity is shared.

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Pit and fissure sealants have proven to be an efficient and effective alternative to protect occlusal surfaces from the development of carious lesions. A review of the abrasive air used in restorative dentistry is carried out and a clinical case of the use of this technology for the placement of pit and fissure sealants is presented.