Impact of the radiographic examination on diagnosis and treatment decision of caries lesions in primary teeth – the Caries Detection in Children (CARDEC-01) trial: study protocol for a randomized controlled trial - Mendes, Fausto Medeiros; Pontes, Laura Regina Antunes; Gimenez, Thaís; Lara, Juan Sebastian; Camargo, Lucila Basto de; Michel-Crosato, Edgard; Pannuti, Claudio Mendes; Raggio, Daniela Prócida; Braga, Mariana Minatel; Novaes, Tatiane Fernandes (Trials, 2016)