Background Primary burning mouth syndrome (BMS) is a chronic clinical condition of idiopathic mainly characterized by pain and a burning sensation in the oral cavity. The application of laser at low intensity therapy is a treatment option. This systematic review evaluated the efficacy of laser therapy in treating symptoms of burning mouth syndrome. Material and Methods The study was formulated according to the PRISMA and Cochrane guidelines. Seven databases were used as primary sources of research. Only randomized controlled clinical trials were included. The efficacy of the therapy was estimated comparing the values of the visual and numerical scales of pain before and after laser treatment, through qualitative analysis. Results The search resulted in 348 records and only eight filled the eligibility criteria and were included. All studies evaluated pain and / or a burning sensation considering a time interval of two to ten weeks. The total sample consisted of 314 patients submitted to treatment: 123 from the control group, who participated with laser off or with the tip blocked, and 191 from the intervention group, treated with low-level laser therapy. The female gender stood out and the average age of the participants was 60.89 years. The main symptoms reported were pain and a burning sensation in the oral mucosa and tongue. The parameters adopted by the authors for laser treatment were diverse and the variables were not fully described in the published studies. Visual analog and numerical scales were used to assess symptoms and only three studies showed statistical significance. Conclusions It is suggested that laser therapy may be an effective alternative in the treatment of BMS. New randomized clinical trials should consider well-established protocols to better understand the efficacy of laser therapy without confounding the effects. Key words: Efficacy, systematic review, burning mouth syndrome, low level laser therapy.

Objective: to characterize the knowledge about the use of potentially dangerous drugs among hospital health care nurses. Methods: quantitative, descriptive-exploratory research, with the application of a validated questionnaire, translated and adapted in Brazil, on potentially dangerous medications, with 26 nursing assistants from a university hospital. Univariate and bivariate descriptive statistical analysis of the data was performed using the Statistical Package for Social Science, version 20. Scores ≥70% were considered as sufficient knowledge and insufficient knowledge scores <70%. Results: in the first domain of the questionnaire, called Medication Administration, the average percentage of correct answers was 64.6%. In the second domain, Clinical procedures, an average of 53.7% of correct answers was found. The use of electrolytes, chemotherapy and insulin were the main weaknesses in the knowledge of professionals. Conclusion: insufficient knowledge about the administration and clinical procedures of potentially dangerous drugs was identified among hospital care nurses in this scenario.

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Introdução: O câncer de cabeça e pescoço é composto por tumores malignos do trato aerodigestivo superior, localizados principalmente na cavidade oral, laringe, faringe e seios paranasais e aumenta a sua incidência com a idade. O tratamento radioterápico pode induzir reações adversas. Objetivo: Analisar as reações adversas após o tratamento da radioterapia em adultos com câncer de cabeça e pescoço. Método: Trata-se de um estudo descritivo, exploratório, transversal, com abordagem quantitativa, cuja amostra é não probabilística, composta por adultos com neoplasias de cabeça e pescoço em tratamento radioterápico no Estado de Sergipe, durante os anos de 2017 e 2018. Resultados: As principais reações adversas encontradas foram dor, mucosite, náusea, vômito, má ingestão, boca seca, desidratação, alteração na voz e prurido. Não houve diferenças significativas entre os grupos com menos de dez e mais de dez sessões de radioterapia, de acordo com as reações adversas. Conclusão: É necessário que os profissionais de saúde tenham conhecimento dessas reações para minimizar e tratar as complicações, além de acompanhamento contínuo com vistas ao resgate das condições ideais de saúde, contribuindo para a qualidade de vida e a autoestima dos pacientes.