Sistema Regional de Información
en línea para Revistas Científicas de América Latina,
el Caribe, España y Portugal

ABSTRACT The bacteriological contamination of the soils in the Arunta area was evaluated experimentally. For the research, the experimental variables considered were time (day) and the dosage of wastewater from the Arunta ponds (l/m2/day), which are the cause of bacteriological contamination. For the experimental research with the objective of modeling the speed of bacteriological contamination, the hexagonal design was used. Table 3 presents the experimental conditions of the variables and the results of the increase in soil contamination. The wastewater used for irrigation in Arunta, with a high contamination of 35,000,000 mg coliforms/l, dosed from 3.00 to 6.00 liters/m2/day and for a time varying from 33.61 to 54.39, increases the bacteriological contamination of the soil from 93.44% to 779.78%.  

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During growth and development of the infant there are multiple factors that can contribute or disrupt the breastfeeding process. From the first moment of life, breastfeeding can be perceived as the primary feeding factor, although it has been controversial for several years due to the ideological variables difference of the communities. The aim of this article is to identify components, according to mothers perception in the municipality of Envigado - Antioquia, that influence its development, regarding oral triggering factors of weaning. Methodology. The reference population were mothers whose children belonged to the databases of births between the years 2019 - 2021, seeking to obtain information about the status of breastfeeding in this population.  The variables of interest for the study were evaluated and grouped into 3 aspects: sociodemographic-socioeconomic, breastfeeding practices and oral conditions. Results. In relation to the dental variables evaluated, statistically significant differences were identified in the use of the pacifier, with a higher percentage of children who did not receive exclusive breastfeeding for six months compared to those who did, Odds ratio = 2 (95% CI 1.2-3.3) p=0.003 chi-square test. Conclusion. Exclusive breastfeeding was achieved in 53.81%, with a duration of 4.6 (±2) months, demonstrating the importance of prenatal counseling, as well as the guidance of a multidisciplinary team, including dentists due to its knowledge of oral growth and development of the infant.  

Introduction: Dental students often face emotional challenges when managing uncooperative pediatric patients, which may lead to reduced interest in treating children post-graduation, limiting access to pediatric dental care. Objective: This study aimed to examine dental students' emotional experiences while treating uncooperative children and their perceptions of the training provided on behavioral management techniques. Materials and Methods: This cross-sectional survey-based pilot study was conducted at an urban, university-affiliated dental clinic during the 2017-2018 academic year. The target population consisted of 41 third-year dental students in their first year of clinical rotations, from which 29 students completed the survey. Informed consent was obtained, emphasizing voluntary participation or withdrawal. Students were invited to complete an 18-question Likert-scale survey. Access was restricted to their unique university emails, ensuring participation integrity. To avoid academic pressure, a research assistant administered the survey. The survey included questions adapted from established tools such as the State-Trait Anxiety Inventory (STAI) and validated by two pediatric dentistry experts. Responses were analyzed using descriptive statistics and path analysis to explore relationships between stress, training adequacy, and behavioral management perceptions. Results: A majority (75.9%) of students reported stress while treating uncooperative children, with 58.6% experiencing anxiety and 69.0% frustration. Additionally, 13.8% expressed concerns about harming the child. While 51.7% were satisfied with their treatment outcomes, 65.5% indicated needing further behavioral management training. Conclusion: This study highlighted significant stress and anxiety among managing uncooperative pediatric patients. Enhanced training in behavioral management and increased clinical exposure are essential to prepare students for practice confidently.