The objective of this article was to evaluate posture stress in Odontology students of the Federal University of Paraíba by means of RULA and REBA methods. The study was characterized as being descriptive, transversal. The research instruments had been two softwares of evaluation of work positions. The research was developed in the clinic of Odontology of the Federal University of Paraíba - UFPB. The individuals had been photographed in their activities. 39 positions had been analyzed. The analysis had been treated by means of descriptive statistics using the program Excel 7.0. The results inform an average of points of positions of 5.5 for method RULA, having as indications inquiries and changes required soon. The REBA methods presented, as average of evaluation of the positions studied, 7,07 as point, that corresponds the necessity changes. The RULA method revealed more indicated, since it analyzes the superior extremity of the body, or either, that more required during the related activity.