1 1 Department of Periodontology, School of Dentistry, Cientifica del Sur University Lima, Peru.
2 2 Department of Implant Dentistry, School of Dentistry, Cientifica del Sur University Lima, Peru.
3 3 Department of Prostodontic, School of Dentistry, Cientifica del Sur University Lima, Peru.
4 4 Department of Periodontology and Implant Dentistry, New York University College of Dentistry, New York, NY.
5 5 Department of Civil Engineering, San Marcos University, Lima, Peru.
6 6 Department of Oral and Maxillofacial Surgery, New York University College of Dentistry, New York, NY; Periodontology & Implant Dentistry, Bluestone Center for Clinical Research, New York University College of Dentistry, New York, NY.