The decision to participate in this study is voluntary as well as the decision to refuse participation and decision of withdrawal of the same, at any time of the study course, are rights of the patient/participant. Given the purpose of this study, and the fact of existing multiple and several market therapeutic alternative for this type of interventions, the fact that participate in this study will not entail any additional cost, the one described in the fee schedule of Dental Medicine School Clinic-UFP. They will not be granted any incentives or financial benefits (payment of travel or counter-parties) to participate in the trial. The participant has as cost the "restoration of the tooth surface, which of course would have to make even not participating in this investigation. The clinical observations, temporarily established (3 appointments in two years), to evaluate the performance of the restorations will be free for the participants. All other acts that the patient needs or intends to perform, not included in the protocol of this trial, should meet the same, the fee scale of Dental Medicine School Clinic-UFP. Dental restorations are applied to tooth surfaces requiring intervention/repair for the maintenance of dental structure in oral cavity of the patient. The operator (Dentist and Associate Professor of FHS-UFP) inform the patient/participant in all aspects related to the study. Refusal of patient participation, the participant's withdrawal and revocation of consent to participate in this study are rights of the patient/participant without any consequences or reprisal, and without interference in the relationship between users and teachers/ researchers / University, clinical entities.