“…In the first group, articles that investigated the effectiveness of visual pedagogy in improving oral hygiene skills in children with ASDs were included [ 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 ]. In the second group, articles that investigated the effectiveness of visual pedagogy in improving the patient’s cooperation during dental care were included [ 4 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 ]. To facilitate the synthesis, the results were summarized in tables.…”