Full text: Available Index: LILACS (Americas) Main subject: Surgery, Oral / Education, Dental / Oral and Maxillofacial Surgeons Limits: Humans Country/Region as subject: South America / Chile Language: Spanish Journal: Rev. chil. cir Journal subject: General Surgery Year: 2014 Type: Article Affiliation country: Chile Institution/Affiliation country: Pontificia Universidad Católica de Chile/CL