1. Department of Periodontology; University of Tennessee Health Sciences College of Dentistry; Memphis TN
2. Department of Implant Dentistry; Federal University of Santa Catarina - UFSC; Florianópolis Brazil
3. Department of Oral and Maxillofacial Surgery; Federal University of Santa Catarina - UFSC; Florianópolis Brazil
4. Department of Prosthodontics; Federal University of Santa Catarina - UFSC; Florianópolis Brazil