S Space maintainer are devices used for pediatric patients with early loss of primary teeth. Control after insertion of space maintainer is necessary and important to do routinely to determine the compliance of the use of the device, the development of the teeth and jaw, and to determine the presence of damage or abnormalities in the teeth and gingiva due to the use of the device. Research Objective: To evaluate the number of control visits of pediatric patients after the insertion of space maintainer recorded in the medical records at Faculty of Dentistry Hospital, Trisakti University. Research Methods: This type of research was descriptive observational with a cross-sectional design. The study sample was in the form of pediatric patients who used space maintainer recorded in the medical record at Faculty of Dentistry Hospital, Trisakti University in the period January 2015-December 2018, with 69 samples. The data obtained is processed using Statistical Package for Social Sciences, and is presented in the form of images and tables. Research Results: All samples were 69 children (100%) made the primary control visit, 20 children (29.0%) did not take birth control visits. Patients who made control visits up to 1-3 times as many as 26 children (37.7%), patients who had control visits up to 4-5 times as many as 7 children (10.1%) and patients who controlled until the 6th derivative times or more as many as 16 children (23.2%). Conclusions: The number of primary control visits of pediatric patients after the insertion of space maintainer was 100%, but the number of visits of patients who carried out hereditary controls varied greatly.