Medical and dental emergencies are life-threatening situations. Dental surgeons in general have difficulties when dealing with the initial management of medical and dental emergencies. This work aims to analyze the degree of knowledge of dentists in the face of medical and dental emergencies in the dental office. This way, a qualitative cross-sectional study was carried out through the application of forms after approval by the ethics and research committee containing questions that covered specific questions about medical and dental emergencies. -graduation at the ``Centro Universitário Doutor Leão Sampaio` (Unileão) and at the Caririense Postgraduate Center (Cecap), and 70 dentists were approached, however 50 dentists agreed to participate in the research. In view of the data (58%) of the dentists stated that they considered themselves capable of handling a situation of airway obstruction, (18%) stated that they considered themselves capable of handling a situation of Ludwig's angina, (36%) stated who consider themselves able to handle an anaphylactic shock situation, (28%) stated that they consider themselves able to handle an acute myocardial infarction situation, (12%) stated that they consider themselves able to handle a vascular accident situation brain, (48%) stated that they considered themselves able to manage an acute asthma attack. When asked if they had studied medical emergencies at graduation, (82%) had studied medical emergencies at graduation. It was concluded that most dentists interviewed are not prepared to resolve medical and dental emergencies in the dental office.