RESUMEN
The communication between the dentist and the patient, or what we have called dentist-patient relationship constitute itself a clue to solve primary problems derived of the professional practice. In this relationship with patients, the dentist may face what we have called difficult patient. This difficult patient have several behavioral characteristics which can alter the dentist emotional equilibrium, the capacity of making proper diagnosis and finally a successful treatment may not be obtain as an end result. The difficult patient behavior may be explained by a variety of factors such as: the type of pathology, the office environment, the community and/or institution to which the patient belongs, the dentist emotional circumstance and at last the patient life style. In this research work, we interview 50 professionals from the metropolitan area with an average of 18 years in practiCe, each dentist explained situations in which the patient behavior could be typified as difficult. A number of 202 difficult patient cases were obtained and they were classified into 14 categories. 5 categories presented a higher frequency: a) Schedule and/or appointment timing. b) Patients not following instructions and/or altering treatment. c) Anxious patients. d) Patients unhappy with their treatment. e) Authoritarian patients or patients without good manners. This 5 categories were present in the 60% of the situations and can be taken as a model with specific behavioral characteristics as to identify the difficult patient. This is valuable in order to manage this type of patients and be successful.