Abstract Objective: To identify practices, beliefs and attitudes of professionals regarding the oral hygiene (OH) in newborns (NB) treated in Neonatal Intensive Care Units (NICU). Methods: Descriptive and exploratory study, carried out in two NICUs in São Paulo. The data were collected through a questionnaire and submitted to descriptive statistical analysis. Results: 42 professionals participated in the study. Of these, 92.8% reported performed OH in critically ill NB, comfort being the main reason (35.6%) and NB severity a main difficulty […]