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The aim of this study is to evaluate salivary and microbiological parameters of pediatric oncological patients and their correlation with severe oral mucositis (SOM).This study aims to evaluate the salivary parameters and cariogenic microbiota of pediatric oncological patients and their correlation with severe oral mucositis (SOM). A preliminary longitudinal study The prospective study included patients in the age range from 4 to 18 years (n = 26), with diagnosis of primary cancer, who were followed up before and after time intervals of two, five, and ten weeks of induction chemotherapy. Oral mucosa examinations were performed by means of the modified Oral Assessment Guide (OAG) by calibrated examiners (κ > 0.70). Saliva analysis (unstimulated saliva flow (USF), clinical saliva viscosity (CSV), and pH) and microbiological (total Streptococcus (TS) and Streptococcus of the mutans group (SMG)) tests were performed using unstimulated saliva. The data were analyzed by the Wilcoxon and Spearman Correlation tests (α = 5%). The patients were predominantly of the female sex (n = 15; 57.7%), adolescents (n = 15; 57.7%), and patients with hematological tumors (n = 21; 80.8%). SOM was more frequent in the tenth week (n = 7; 28.6%). The values of USF, CSV, pH, TS, and SMG were not changed by the institution of chemotherapy (p>0.05). These values were correlated with SOM and the time, TS and SMG, and CSV and SMG. The salivary and microbiological parameters investigated did not influence the severity of oral mucositis in the pediatric patients oncological..

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Objetivo: Descrever a condição de saúde bucal de pacientes pediátricos oncológicos assistidos em um hospital de referência em João Pessoa/PB, avaliando o acesso aos serviços odontológicos, bem como o cuidado odontológico e eles ofertado. Materiais e Métodos: Procedeu-se um estudo transversal, cuja coleta de dados se deu mediante exame clínico, uso de questionário e realização de entrevista. Realizou-se análise descritiva dos dados, em valores absolutos e percentuais, e por meio da análise de conteúdo. Resultados: Dos 61 pacientes que compuseram a amostra, 52,5% eram do sexo masculino, com idade média de 9,7 anos. Em relação ao motivo de visita ao dentista, 26,2% relataram revisões e 39% dos pacientes oncopediátricos referiram boa autopercepção quanto a sua qualidade de vida. Para a variável “dor dentária nos últimos seis meses”, 65,6% relataram ausência de dor. Na abordagem qualitativa, houve relatos de dificuldade no acesso físico aos serviços de saúde. Conclusão: Os pacientes oncopediátricos paraibanos apresentaram condição de saúde bucal satisfatória, buscaram a atenção odontológica para revisões, estando eles satisfeitos com o atendimento odontológico ofertado e referem possuir boa qualidade de vida. PALAVRAS- CHAVE: Oncologia, Odontopediatria, Saúde bucal; Acesso aos Serviços de Saúde.

To determine the occurrence and severity of oral mucositis (OM) and the factors associated with the onset of severe oral mucositis (SOM) in pediatric cancer patients. Material and Methods: This was a longitudinal and prospective study with 85 children and adolescents (aged 0 to 19 years) admitted to the Pediatric Oncology Sector of Napoleão Laureano Hospital between November 2016 and July 2019. The patients' sociodemographic and epidemiological information, as well as hematological and biochemical parameters, were obtained from their medical charts. The oral mucosa of study participants was assessed through the modified Oral Assessment Guide (OAG) at baseline and after the 2nd, 5th and 10th week of antineoplastic treatment. Data were analyzed by Chi-square test to determine the factors associated with the occurrence of SOM (p<0.05). Results: The occurrence of OM was more frequent in the 2nd (60%), 5th (40.9%) and 10th week (43.2%) of antineoplastic treatment. During the follow-up period, SOM was more frequent in the 5th week (34.7%), followed by the 2nd (32.3%) and 10th weeks (29.7%). There was no association between the occurrence of SOM and the patient's age, type of tumor, chemotherapy regimen, and hematological and biochemical parameters. Conclusion: The occurrence of oral mucositis in pediatric cancer patients was significant, especially in the 2nd week of antineoplastic treatment. Severe oral mucositis was more prevalent in the 5th week of treatment and was not associated with any of the study variables.