Objective was to determine if there is a relationship between the level of knowledge about correct ergonomic postures and the perception of postural pain in dental professionals. Method: A descriptive cross-sectional study was carried out. The study population was 66 general and postgraduate dentists (n = 66). The variables were sex (female / male); years practicing the profession (2-20 years); Symptom history (pain / tremors / tiredness, fatigue / paraesthesia) area of the body affected by the symptom (lateral neck and shoulder area / back of the neck and upper back / mid-back / lower or lumbar area of the back / elbow / forearm / wrists, hands, fingers) Instruments Standardized Nordic Questionnaire13, to measure the knowledge of those investigated, the B.H.O.P (Balanced Human Operating Position) is taken as the base criterion. The statistics were made using a database from the Ex...