Supervise dental conditions and teach the procedure of oral hygiene are the responsibility of the nurse. Patients on chemotherapy have risk for oral and systemic changes factors. The investigators will evaluate the cognitive and procedural knowledge about oral hygiene and the relevance of the learning experience importance.

METHODOLOGY:

-Quasi-experimental research study, before and after an intervention, which was used in the educational video as a strategy for teaching about oral hygiene .

INSTRUMENTS:

1 ) tool to identify socio- demographic variables ( age, gender ),

2) scale (zero to ten) to assess the relevance of the student attaches the oral hygiene of people undergoing chemotherapy ;

3 ) instrument composed of true or false statements related to knowledge about oral hygiene for people undergoing chemotherapy,

4) instrument contemplating steps that should be used for oral hygiene of the patient and the structures escovadas6 ; contains a list of steps to observation record the implementation of the technique of brushing teeth , use mouthwash and floss;

5 ) rating scale the degree of acceptance of the use of video as educativa.7 the student carried out the technical strategy in itself ( before and after video ) , demonstrating how a patient undergoing chemotherapy should perform this technique .

The estimate for the subject's participation in research time was approximately 30 minutes.

Inclusion Criteria:

-Students in the fourth year of the Bachelor and the fifth year of undergraduate School of Nursing of Ribeirão Preto, University of São Paulo - USP

Exclusion Criteria:

-Desire to withdraw consent for the study procedures