In order to create an overview of research in Latin America burnout, we make a systematic review of 89 studies, that have been published in scientific journals, books and reports of scientific events in Argentina,
<p align="justify">La investigación tuvo como objetivo identificar elementos y dinámicas de la comunicación, relacionados con la interrupción, distorsión o ruptura de esta, también la descalificación y desacreditación, la denigración e insinuaciones hostiles y la ruptura de los contactos sociales en tres casos de acoso laboral; se partió de un abordaje cualitativo de tipo exploratorio descriptivo. Se aplicó una entrevista semiestructurada construida a partir de categorías de análisis previamente establecidas a los tres participantes quienes habían cumplido con los criterios para acoso laboral, de acuerdo al Cuestionario Leymann (<em>LIPT: Leymann Inventory of Psychological Terror</em>). Durante las entrevistas emergió la categoría estrategias de afrontamiento como elemento relevante para el manejo de la problemática. Se encontró que la comunicación se caracteriza por ser una comunicación verbal abusiva que no queda registrada en ningún soporte físico, salvo en los registros internos y emocionales de las personas que los experimentan y que en las organizaciones las comunicaciones interpersonales y grupales han llegado a niveles precarios en los que predomina la agresividad verbal y no verbal, el aislamiento y la falta de intervención efectiva por parte de instancias de dirección.</p>
Introduction: endodontically treated teeth usually need to be rehabilitated with posts that normally undergo a restoration. The material replacing lost dentin must guarantee appropriate clinical performance (post, cement, or rehabilitator) and closely integrate to dentin, forming a single unit. The goal of this article is to determine which cementation protocol for fiber glass posts shows the best adhesive strength in the presence of the push-out test. Method: a sample of 60 teeth were divided into two groups and subdivided into two subgroups, performing four cuts with an IsoMet ® 1000 Precision machine (Buehler) and a diamond disc (Isocut Wafering Blade-CBN HC) measuring 7 inches in diameter and 0.03 inches thick, obtaining three root disks: one of the cervical area, one of the middle zone, and another of the apical area. The groups were sorted out as follows: Group 1: 30 teeth filled with epoxy resin cement (Top Seal). Subgroups 1.1 (15 teeth) and 2.1 (15 teeth), which were treated with Condac 37% acid phosphoric, 2% chlorhexidine, Duolink cement, and prefabricated post. Group 2: 30 teeth filled with zinc oxide eugenol cement (Grossman). Subgroups 1.2 (15 teeth) and 2.2 (15 teeth), treated with 32% Uni-etch acid, Duolink cement, and prefabricated post. All samples were subjected to the push-out test using a universal machine (Instron, model: ELS-5, made in China, with 1 to 600 Kn load capacity). Samples were photographed with a digital camera AxioCam ERc5s ® Zeiss, stereo-microscope Stemi 2000-CG ® , in order to carry out an observational analysis of the results according to failure type. Results: failure
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