Table of contents Editorial........................................................................................................................................... 371 Guest editorial................................................................................................................................. 373 Original Research Articles Comparison of canal transportation and centering ability of hand Protaper files and rotary Protaper files by using micro computed tomography..................................................................................... 375 Amit Gandhi; Taru Gandhi Epidemiology of maxillofacial injuries at a regional hospital in Goiania, Brazil, between 2008 and 2010................................................................................................................... 381 Cláudio Maranhão Pereira; Mauro Silva Filho; Danilo Santos Carneiro; Renan Correia Arcanjo; Leonardo Araújo de Andrade; Michelle Gomes Benício de Araújo Effects of a motivational program for caregivers on the oral hygiene quality of 10-to-36-month-old children: a pilot study...................................................................................................................... 386 Giovana Cardoso; Bruna Helena Campos; Eduardo Pizzatto; Gisele Maria Correr; Estela Maris Losso Study of position and eruption of lower third molars in adolescents................................................. 390 Eduardo Machado Vilela; Paula Amorim Vitoi Clinical evaluation of 4% hydrogen peroxide bleaching in mandibular teeth..................................... 398 Lais Dalmagro Peruchi; Neimar Sartori; Guilherme Carpena Lopes; Andressa Ballarin; Camila Ambrosi; Jussara Karina Bernardon Comparison of MTA Fillapex radiopacity with five root canal sealers................................................ 404 Ana Paula Meirelles Vidotto; Rodrigo Sanches Cunha; Eduardo Gregatto Zeferino; Daniel Guimarães Pedro Rocha; Alexandre Sigrist de Martin; Carlos Eduardo da Silveira Bueno Influence of root curvature’s initial position on apical deviation occurrence after oscillatory preparation in simulated root canals.................................................................................................410 Tiago André Fontoura de Melo; Luciana Dellinghausen Silveira; Vanessa Santos Simões Pires; Simone Viegas da Silva; Luis Eduardo Duarte Irala Influence of chlorhexidine digluconate on bond strength durability of a self-etching adhesive system .............................................................................................................................. 417 Synara Santos Herênio; Natália Maria Porto de Carvalho; Darlon Martins Lima Prevalence of dental trauma among children treated in the Pediatric Dentistry Clinic of the State University of Amazonas................................................................................................................... 425 Andrea Melo Moutinho da Costa; Savana Maia; Gabriel Lucas de Cardoso da Cruz; Regina Maria Puppin Rontani Bond strength of self-adhesive resin cements to deep dentin............................................................431 Rubens Nazareno Garcia; Amanda Graziela Zattar Renzetti; Bernd Rainer Schaible; Roland Frankenberger; Ulrich Lohbauer; Luiz Carlos Machado Miguel Literature Review Articles Root resorption after dental traumas: classification and clinical, radiographic and histologic aspects............................................................................................................................ 439 Bruno Oliveira de Aguiar Santos; Diego Santiago de Mendonça; Denise Lins de Sousa; José Jeová Siebra Moreira Neto; Rebeca Bastos Rocha de Araújo MTA versus Portland cement: review of literature............................................................................. 446 Naiana Viana Viola; Mário Tanomaru Filho; Paulo Sérgio Cerri Case Report Articles Hereditary gingival fibromatosis – a case report and management using a novel surgical technique........................................................................................................................... 453 K. Butchi Babu; Kalwa Pavankumar; B. R. Anuradha; Nupur Arora Eosinophilic ulcer of the lateral tongue: case report......................................................................... 459 Marcelo Gadelha Vasconcelos; Lélia Batista de Souza; Éricka Janine Dantas da Silveira; Ana Myriam Costa de Medeiros; Marianne de Vasconcelos Carvalho; Lélia Maria Guedes Queiroz Laterally positioned flap associated with subepithelial connective tissue graft for coverage of isolated gingival recession........................................................................................................... 464 Thiago Marchi Martins; Alvaro Francisco Bosco; Guilherme Giovani Gazoni; Sabrina Feltrin Garcia Sturge-Weber syndrome: a case report............................................................................................. 469 Joanna G. da Conceição; Luiz Felipe G. dos Santos; Thaís Pimentel de Sá Bahia; Vanessa de A. S. Silva; Maria Eliza Barbosa Ramos; Mônica Israel Dentistry Topics The complete text is only available in the electronic version, at www.univille.br/rsbo Pulp and periapical pathologies....................................................................................................... 473 Denise Piotto Leonardi; Allan Fernando Giovanini; Susimara Almeida; Celso Alfredo Schramm; Flares Baratto-Filho