How to improve root canal filling in teeth subjected to radiation therapy for cancer - Paiola, Fabiana de Góes; Lopes, Fabiane Carneiro; Mazzi-Chaves, Jardel Francisco; Pereira, Rodrigo Dantas; Oliveira, Harley Francisco de; Queiroz, Alexandra Mussolino de; Sousa Neto, Manoel Damião de (Brazilian Oral Research, 2018)