Cuando una necrosis pulpar se instala en dientes jóvenes que aún no han completado el cierre apical o no han terminado el desarrollo radicular, la apexificación es el tratamiento indicado, el cual induce la formación de una barrera calcificada que oblitere el orificio apical o que permita el desarrollo radicular completo. La mezcla del hidróxido de calcio Ca(OH)2 con suero fisiológico es la forma más deseable y sencilla de inducir la apexificación con pronóstico exitoso. El caso clínico que se presenta es un paciente masculino de 10 años de edad, al cual se diagnostica necrosis pulpar en O.D.36, radiográficamente con zona radiolúcida en ápices y furca, retracción pulpar y falta de cierre apical al cual se realiza el tratamiento de apexificación con hidróxido de calcio, mostrando en el control radiográfico disminución de la lesión en furca y ápices, lográndose el cie...

Cuando una necrosis pulpar se instala en dientes jóvenes que aún no han completado el cierre apical o no han terminado el desarrollo radicular, la apexificación es el tratamiento indicado, el cual induce la formación de una barrera calcificada que oblitere el orificio apical o que permita el desarrollo radicular completo. La mezcla del hidróxido de calcio Ca(OH)2 con suero fisiológico es la forma más deseable y sencilla de inducir la apexificación con pronóstico exitoso. El caso clínico que se presenta es un paciente masculino de 10 años de edad, al cual se diagnostica necrosis pulpar en O.D.36, radiográficamente con zona radiolúcida en ápices y furca, retracción pulpar y falta de cierre apical al cual se realiza el tratamiento de apexificación con hidróxido de calcio, mostrando en el control radiográfico disminución de la lesión en furca y ápices, lográndose el cie...

This work was partially funded by the Consejo Nacional de Ciencia, Tecnología e Innovación Tecnológica del Perú (CONCYTEC from its acronym in Spanish), according to the Convention N° 232-2015-FONDECYT. The team would like to thank Brasfield & Gorrie for granting us access to the BIM models of the project. However, the opinion presented herein does not necessarily reflect theirs. Finally, the authors want to thank So Yoon Yoon, for allowing us to use the revised version of the PSVT: R for this study.

This work was funded by the Consejo Nacional de Ciencia, Tecnología e Innovación Tecnológica del Perú (CONCYTEC from its acronym in Spanish), according to the Convenio de Gestión N° 232-2015-FONDECYT. The work was carried out with a collaboration of GETEC and Engineering & Heritage research groups at PUCP.

CONCYTEC for supporting this research.

We report an adult male who was admitted to hospital for emergency after being shot by a firearm, presenting a bullet entry hole in the upper lip of the mouth, finding no outlet, radiological examination shows shrapnel oral cavity and the presence of a foreign body in the digestive tract, which migrates to the rectum to be expelled for five days, being compatible with the projectile, after clinical response to medical management.

We report an adult male who was admitted to hospital for emergency after being shot by a firearm, presenting a bullet entry hole in the upper lip of the mouth, finding no outlet, radiological examination shows shrapnel oral cavity and the presence of a foreign body in the digestive tract, which migrates to the rectum to be expelled for five days, being compatible with the projectile, after clinical response to medical management.

Background: Pediatric Early Warning Systems (PEWS) assist early detection of clinical deterioration in hospitalized children with cancer. Relevant to successful PEWS implementation, the “stages of change” model characterizes stakeholder support for PEWS based on willingness and effort to adopt the new practice. Methods: At five resource-limited pediatric oncology centers in Latin America, semi-structured interviews were conducted with 71 hospital staff involved in PEWS implementation. Purposive sampling was used to select centers requiring variable time to complete PEWS implementation, with low-barrier centers (3–4 months) and high-barrier centers (10–11 months). Interviews were conducted in Spanish, professionally transcribed, and translated into English. Thematic content analysis explored “stage of change” with constant comparative analysis across stakeholder types and stud...

Background: The COVID-19 pandemic impacted healthcare delivery worldwide, including pediatric cancer care, with a disproportionate effect in resource-limited settings. This study evaluates its impact on existing quality improvement (QI) programs. Methods: We conducted 71 semi-structured interviews of key stakeholders at five resource-limited pediatric oncology centers participating in a collaborative to implement Pediatric Early Warning System (PEWS). Interviews were conducted virtually using a structured interview guide, recorded, transcribed, and translated into English. Two coders developed a codebook of a priori and inductive codes and independently coded all transcripts, achieving a kappa of 0.8–0.9. Thematic analysis explored the impact of the pandemic on PEWS. Results: All hospitals reported limitations in material resources, reduction in staffing, and impacts on patient care du...