In this volume you will find manuscripts on: On ethics and professional training; Snoring in individuals with and without maxillary constriction; Evaluation of the clinical effect of a probiotic mouthwash in the treatment of generalized marginal chronic gingivitis. Randomized pilot study; Five canals on mandibular first molar successfully managed by undergraduate dental student: An Educational Case Report; Comparing the periodontal clinical effect between conventional and self-ligating brackets: Systematic review and meta-analysis and much more...