Comparative histological and histomorphometrical evaluation of marginal bone resorption around external hexagon and morse cone implants: an experimental study in dogs - Castro, Daniel Sartorelli Marques de; Araujo, Maria Angelica Rehder de; Benfatti, Cesar Augusto Magalhães; Piattelli, Adriano; Perrotti, Vittoria; Araújo, Carlos dos Reis Pereira de; Iezzi, Giovanna (Implant Dentistry, 2014)