• Hao-Feng Jiang, Dan Qin, Song-Lin He, and Jin-Hua Wang.
• College of Stomatology, Chongqing Medical University, No. 426 Songshibei Road, Chongqing, 401147, China.
• Clin Oral Investig. 2020 Jun 1; 24 (6): 1997-2004.

ObjectiveTo assess dental treatment under dental general anesthesia (DGA) among Chinese preschool children by investigating changes in their oral health-related quality of life (OHRQoL), the incidence of postoperative complications, and parental satisfaction.MethodA single-center prospective cohort study was conducted. A total of 190 children who received treatment for early childhood caries (ECC) under DGA were included. The primary outcome was a change in the children's OHRQoL at 1 month after the operation compared to that at baseline, which was measured by the Early Childhood Oral Health Impact Scale (ECOHIS). The secondary outcomes were the incidence of complications within 1 day after treatment and parental satisfaction with the DGA treatment.ResultsIn total, 180 participants were successfully reevaluated after the operation, yielding a 94.7% follow-up response rate. The total ECOHIS score decreased by 76.3% (P < 0.01) after treatment, demonstrating a large effect. Approximately 74.4% of the children complained of at least one complication, including sleepiness (43.3%), emergence agitation (38.9%), nausea/vomiting (13.9%), dizziness (10.6%), and fever (3.3%), on the first day. Approximately 85.5% of the parents were satisfied with the DGA treatment.ConclusionDGA treatment has a positive effect on Chinese preschool children's OHRQoL and is evaluated highly by their parents.Clinical RelevanceDental treatment under general anesthesia improved the OHRQoL of Chinese preschool children.

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