Comparison between the rotary (Hyflex EDM®) and manual (k-file) technique for instrumentation of primary molars: a 12-month randomized clinical follow-up study. J Appl Oral Sci [Internet]. 2022 Mar. 21 [cited 2024 May 20];30:e20210527. Available from: https://revistas.usp.br/jaos/article/view/195820