6 Conclusion
For an evaluation of the postures assumed by the dentists in their labor activity, the method RULA presented to be the most indicate method, taking that it analyses the top superior part of the body, that means, the most used part in this activity. Being an activity done most of the part sitting down, neither the RULA method nor the REBA one provide a possibility of analysis about this posture, acting as a limitation for this kind of evaluation, being characterized specially as a specific deficiency of the REBA method, once that it is used for analyzing the whole body.