Sathyaprasad S, Krishnareddy MG, Vinod V, Das N, Ramesh R, Ilyas I.
Comparative Evaluation of Fixed Functional Cantilever Space Maintainer and Fixed Nonfunctional Space Maintainer: A Randomized Controlled Trial. 
Int J Clin Pediatr Dent
2022;
15
(6):750-760.