Maysa Lannes Duarte, Mariana Coutinho Sancas, Renata Perez Vianna Silva, Aline de Almeida Neves and Laura Guimarães Primo 2024. DEVELOPMENT OF A MULTIMODAL TOOL TO SUPPORT TEACHING OF ROOT CANAL ANATOMY OF PRIMARY MOLARS: AN OBSERVATIONAL CROSS-SECTIONAL STUDY TO EVALUATE THE ACCEPTANCE OF UNDERGRADUATE STUDENTS: Received: 22nd December 2022 Revised: 04th June 2024 Accepted: 24th April 2024. PUPIL: International Journal of Teaching, Education and Learning. 8, 2 (Jun. 2024), 112–130. DOI:https://doi.org/10.20319/pijtel.2024.82.112130.