The health and well-being of children are intimately linked to their parents' physical, emotional, and social health and social circumstances. To conduct a meta-analysis of studies that have used the Early Childhood Oral Health Impact Scale (ECOHIS) and Child Oral Health-Related Quality of Life (COHRQoL) instruments, to evaluate the family impact scale (FIS) changes following their children's dental treatment under general anaesthesia (DGA). A systematic search was undertaken using the PRISMA guidelines. The inclusion criteria consisted of patients below 16years of age, DGA, pre- and post-operative assessments, and the use of ECOHIS and COHRQoL. FIS changes were the primary outcome measure, where the mean difference (MD) was calculated. After initial search of 105 studies in the database, twenty-one articles were included in the analysis. A positive outcome in the FIS changes was identified in all studies. The combined MD for FIS using ECOHIS and COHRQoL was 1.52 [95% CI: 1.15-1.89; P<0.00001; I2 =87%] and 1.10 [95% CI: 0.68-1.52; P<0.00001; I2 =79%], respectively. Dental treatment with general anaesthesia for children had a significant positive impact on parental emotions, activity, and conflict. Following DGA, there was significant improvement in the FIS, with large MD.