Objectives: The current study aimed to evaluate children's satisfaction with Transpalatal arch and Nance holding arch space maintainers. Subjects and methods: A sample of 20 children with missed upper second primary molars aged between 6 and 9 years from both genders were allocated and randomly divided into two groups (n = 10). Group I included children treated with a Transpalatal arch space maintainer, while group II included children treated with a Nance holding arch space maintainer. A questionnaire was done after 6 months from the beginning of treatment to assess the children's satisfaction