1. Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, University of Pernambuco (UPE)
2. Department of Prosthesis and Maxillofacial Surgery, Faculty of Dentistry, Federal University of Pernambuco (UFPE)
3. Department of Oral and Maxillofacial Surgery, Real Hospital Português, Recife, PE, Brazil