The purpose of this article is to present adopted in 2014 new diagnostic criteria for temporomandibular disorders (Diagnostic Criteria for Temporomandibular Disorders, DC/ TMD), which are modified version of the Research and diagnostic criteria of Dworkin and LeResche from 1992. The new criteria result from the implementation of Validation project, and have 86% sensitivity, 97% specificity and interexaminer reliability ≥ 0.85. The criteria for twelve most common pain- related temporomandibular disorders as well as an analysis of the methodology and the main differences with the research and diagnostic criteria are presented.