48 results match your criteria: "Catholic University of Pelotas (UCPEL)[Affiliation]"

Background: Dengue virus (DENV) infection, a mosquito-borne disease, presents a significant public health challenge globally, with diverse clinical manifestations. Although oral dengue manifestations are uncommon, they can serve as crucial diagnostic indicators and impact patient management in dental practice. This scoping review aims to map the evidence on the oral manifestations associated with DENV infection and their clinical implications for dental practice.

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  • The study aimed to investigate links between serum vitamin D levels and depressive/anxiety symptoms in women during pregnancy and after childbirth, analyzing various qualifying research studies.* -
  • A total of 25 studies were included, revealing that lower vitamin D levels were significantly associated with higher rates of depressive symptoms both before and after childbirth, while only one study suggested a potential link with anxiety.* -
  • The evidence presented is of low quality, indicating a need for more thorough research, particularly longitudinal studies, to better understand these relationships between vitamin D levels and mental health during and after pregnancy.*
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  • The study investigates the effectiveness of nonsurgical root canal retreatment (NS-RCRT) using 2% chlorhexidine gel and foraminal enlargement techniques in improving periapical healing and success rates compared to traditional methods.
  • A retrospective analysis of 120 teeth from 80 patients showed a high success rate of 92.5% over an average follow-up of 30 months, with radiographic repair as the main influencing factor.
  • The findings suggest that the new NS-RCRT approach may serve as a viable alternative to tooth extraction, warranting further prospective research to confirm its benefits.
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  • Calcium hydroxide is the traditional choice for root canal disinfection, but new calcium silicate-based medicaments are being explored as alternatives.
  • Studies investigating these alternatives highlighted their acceptable biocompatibility and high calcium ion release, but they also showed lower antibacterial activity and potential tooth discoloration issues.
  • Evidence on the clinical efficacy of calcium silicate-based medicaments is still limited, indicating the need for more high-quality trials before they can be recommended for routine use in dental practices.
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  • The systematic review investigated how Passive Ultrasonic Irrigation (PUI) affects the healing of periapical tissues in primary root canal treatments compared to conventional syringe irrigation (CSI).
  • The study included randomized clinical trials and analyzed data from 474 patients, finding that PUI resulted in a statistically significant increase in healing rates compared to CSI, with a Relative Risk of 1.10.
  • The review concluded that while there are few high-quality studies, PUI appears to have a beneficial effect on periapical healing in root canal treatments.
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  • The CACNA1C gene is linked to calcium channels that influence brain functions related to mood and behavior, specifically in depression.
  • In a study with male and female mice subjected to chronic stress, impaired emotional regulation was primarily found in males, with changes in gene expression observed in their brains.
  • The findings suggest a connection between CACNA1C, Nfat5, and Bdnf genes, with potential implications for understanding and treating psychiatric conditions.
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  • This study examined how malocclusion (misalignment of teeth) affects temporomandibular disorders (TMD) and whether sleep bruxism (teeth grinding) mediates this relationship in children aged 7 to 8.
  • Data was gathered from 580 children and analyzed using path analysis, revealing that malocclusion did not directly impact sleep bruxism or TMD pain.
  • Instead, the results indicated a strong connection between probable sleep bruxism and TMD pain, suggesting that bruxism may be a more significant factor than malocclusion in causing TMD complaints.
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Outcome of curcumin-based photodynamic therapy in endodontic microsurgery: A case report.

Photodiagnosis Photodyn Ther

February 2024

Department of Restorative Dentistry, Division of Endodontics, Piracicaba Dental School, State University of Campinas (UNICAMP), Piracicaba, SP, Brazil.

Article Synopsis
  • Persistent apical periodontitis post-root canal treatment may require surgical intervention when non-surgical methods fail, and endodontic microsurgery (EMS) is utilized to address complex cases.
  • A 60-year-old male underwent unsuccessful non-surgical retreatment and was treated surgically with photodynamic therapy (PDT) using a curcumin-based photosensitizer, resulting in complete recovery after one year.
  • The combination of EMS and PDT showed promise in enhancing healing and reducing microorganisms, suggesting further research is needed to establish this treatment as a standard practice.
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Background: Exposure and introduction to digital media, especially in children, are a current cause for concern. The negative links associated with early screen exposure are extensive.

Aims: To evaluate the association between the time of exposure to a screen in children at 18 months of age and cognitive development in a population-based sample in Southern Brazil.

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Background: A smile is considered one of the most important soft skills in social interaction. And discolored teeth may effect this. It is known that some photosensitizer agents (PS) used in photodynamic therapy (PDT) during root canal treatment could play a significant role in tooth color change, and thus the main objective of this systematic review is to address whether performing PDT can influence tooth color change and to synthesize the most effective methods to remove PS from the root canal system.

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Background: Dental caries is the most common oral disease worldwide, and it is estimated to affect 2.3 billion people, with at least 530 million of them being schoolchildren with decayed primary teeth. This condition can rapidly evolve into irreversible pulp inflammation and pulp necrosis and thus requiring endodontic intervention.

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The European Society for Clinical Nutrition and Metabolism (ESPEN) and the European Association for the Study of Obesity (EASO) launched the Sarcopenic Obesity Global Leadership Initiative (SOGLI) to reach expert consensus on a definition and diagnostic criteria for Sarcopenic Obesity (SO). The present paper describes the proceeding of the Sarcopenic Obesity Global Leadership Initiative (SOGLI) meeting that was held on November 25th and 26th, 2022 in Rome, Italy. This consortium involved the participation of 50 researchers from different geographic regions and countries.

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  • - The study investigates how chronic cocaine use disorder (CUD) affects the thickness of the cingulate gyrus and examines the role of early life stress (ELS) as a potential influencing factor.
  • - Participants included 78 individuals with CUD and 53 healthy controls, who underwent MRI scans to analyze cingulate cortical thickness, revealing significant reductions in thickness in multiple cingulate areas among those with CUD.
  • - The results indicate that years of cocaine use correlate negatively with cingulate thickness, and those with a history of ELS show exacerbated effects on the brain's structure, particularly in the right isthmus cingulate cortex.
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Applicability of the SARC-F questionnaire by remote interview.

Nutrition

January 2023

Postgraduate Program in Health and Behavior, Catholic University of Pelotas (UCPel), Pelotas, Brazil; Postgraduate Program in Nutrition and Foods, Federal University of Pelotas (UFPel), Pelotas, Brazil. Electronic address:

Objective: The aim of this study was to assess the applicability of the strength, assistance with walking, rising from a chair, climbing stairs, and falls (SARC-F) questionnaire by telephone to identify sarcopenia risk (SR; SARC-F ≥6) and low muscle function risk (LMFR; SARC-F ≥ 4) and their associated risk factors in a cohort of community-dwelling older adults in southern Brazil.

Methods: A longitudinal study was carried out with community-dwelling older individuals from COMO VAI?

Study: Sociodemographic, behavioral, and health-related information were collected at baseline, and, in the second assessment, the SARC-F questionnaire was applied by phone or in-person interviews. Older adults identified with sarcopenia at the baseline assessment were excluded.

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Objective: This study aimed to evaluate the prevalence of probable sleep bruxism (SB) in children aged 7-8 years and its association with sleep pattern and the time spent using devices with a screen.

Material And Methods: A cross-sectional study was conducted with children from Pelotas, Brazil (n = 556). Parents/caregivers were interviewed and provided demographic/socioeconomic information, children's daily screen time, nighttime tooth grinding or clenching, sleep duration and answered the Biological Rhythms Interview for Assessment in Neuropsychiatry for Kids (BRIAN-K-sleep domain).

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Thermally Resistant, Self-Extinguishing Thermoplastic Composites Enabled by Tannin-Based Carbonaceous Particulate.

Polymers (Basel)

September 2022

Chemical and Environmental Engineering Department, University of the Basque Country, Escuela Politécnica de San Sebastián, Plaza Europa, 1, 20018 Donostia-San Sebastián, Guipuzcoa, Spain.

Flame-resistant materials are key components in buildings and several other engineering applications. In this study, flame retardancy and thermal stability were conferred to a highly flammable technical thermoplastic-polypropylene (PP)-upon compositing with a carbonaceous tannin-based particulate (CTP). Herein, we report on a straightforward, facile, and green approach to prepare self-extinguishing thermoplastic composites by thermoblending highly recalcitrant particulate.

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  • * It focused on two specific genetic variants: OXTR rs2254298, which was identified as a risk factor for both ADHD and anxiety, and CD38 rs6449182, associated with ADHD risk.
  • * The findings offer insights into the genetic factors influencing developmental and behavioral disorders, highlighting the need for further research to better understand their underlying neurobiology in children.
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Background: The literature reports that teenage pregnancy is considered a risk factor for anxiety disorders (ADs). However, research on this topic is limited. This study aimed to investigate if pregnant adolescents presented a greater likelihood of having ADs by comparing two samples of pregnant women in a southern city of Brazil.

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Introduction: Loss of skeletal muscle mass and function (sarcopenia) is common in individuals with obesity due to metabolic changes associated with a sedentary lifestyle, adipose tissue derangements, comorbidities (acute and chronic diseases), and during the ageing process. Co-existence of excess adiposity and low muscle mass/function is referred to as sarcopenic obesity (SO), a condition increasingly recognized for its clinical and functional features that negatively influence important patient-centred outcomes. Effective prevention and treatment strategies for SO are urgently needed, but efforts are hampered by the lack of an universally established SO Definition and diagnostic criteria.

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Introduction: Loss of skeletal muscle mass and function (sarcopenia) is common in individuals with obesity due to metabolic changes associated with a sedentary lifestyle, adipose tissue derangements, comorbidities (acute and chronic diseases) and during the ageing process. Co-existence of excess adiposity and low muscle mass/function is referred to as sarcopenic obesity (SO), a condition increasingly recognized for its clinical and functional features that negatively influence important patient-centred outcomes. Effective prevention and treatment strategies for SO are urgently needed, but efforts are hampered by the lack of a universally established SO definition and diagnostic criteria.

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The revised Helping Alliance Questionnaire (HAq-II) is among the most used instruments that measure therapeutic alliance. Despite its use in research, this instrument is not validated for the Brazilian population. The aim of this study was to explore the evidence of validity of the HAq-II based on the internal structure in a sample of Brazilian psychiatric patients.

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Aim: The aim of this study is to assess whether anxiety symptoms are associated with alcohol abuse in Brazilian undergraduate dental students during the COVID-19 pandemic.

Method: A cross-sectional study was conducted. A semi-structured questionnaire addressing the variables of interest was hosted on Google Forms and shared with dental undergraduate students from all Brazilian regions between July 8 and 27, 2020.

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Objectives: Neck and low back pains are the leading causes of years lived with disability, and using computers or mobile devices in excess could be risk factors for back pain. Our aim was to evaluate the association of the length of time using computers and mobile devices with neck, mid-back and low back pains and the number of regions with pain.

Study Design: Cross-sectional study nested in the 1993 Pelotas birth cohort with young adults aged 22 years.

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Maternal-fetal attachment and perceived parental bonds of pregnant women.

Early Hum Dev

March 2021

Postgraduate Program in Health and Behavior, Catholic University of Pelotas (UCPel), Gonçalves Chaves, 373 - 411 C, 96015-560 Pelotas, RS, Brazil. Electronic address:

Article Synopsis
  • The study investigates the relationship between maternal-fetal attachment (MFA) and the perceived parental bonds among pregnant women in Pelotas, Brazil.
  • Findings indicate that women who experienced higher paternal overprotection reported stronger MFA, while those in their first trimester, without a partner, or lacking support from the baby's father showed lower MFA scores.
  • The research highlights the importance of the father's influence on women's emotional connections to their fetus, emphasizing that support and presence during pregnancy can enhance feelings of care and affection.
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Rutin improves glutamate uptake and inhibits glutamate excitotoxicity in rat brain slices.

Mol Biol Rep

February 2021

Laboratory of Neurochemistry and Cell Biology, Department of Biochemistry and Biophysics, Institute of Health Sciences, Federal University of Bahia, Salvador, Bahia, 40110-060, Brazil.

Rutin is an important flavonoid consumed in the daily diet. It is also known as vitamin P and has been extensively investigated due to its pharmacological properties. On the other hand, neuronal death induced by glutamate excitotoxicity is present in several diseases including neurodegenerative diseases.

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