1. Department of Dentistry, University Center Christus, Fortaleza, Brazil.
2. Graduate School of Dentistry, University Center Christus, Fortaleza, Brazil.
3. Department of Restorative Dentistry, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, Brazil.
4. Graduate School of Dentistry, University of Fortaleza, Fortaleza, Brazil.