The goal of this clinical trial is to evaluate whether immersive game experience (IGE) can improve preoperative anxiety, compliance, and parental satisfaction in children aged 4-12 years undergoing supernumerary tooth extraction under general anesthesia. The main questions are: Does IGE reduce anxiety measured by SCARED scores, heart rate, salivary cortisol, and LF/HF ratio? Does IGE improve children's compliance and parental satisfaction? Participants are randomized 1:1 to standard care or standard care plus IGE, which includes role-playing, parent-child interactive games, environmental adjustments, and rewards. Written informed consent is obtained from legal guardians, and all procedures follow ethical guidelines approved by Jiaxing First Hospital Ethics Committee (2025-LP-044). Outcomes are assessed by blinded staff using validated scales and physiological measures.
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Screen for Child Anxiety Related Emotional Disorders (SCARED)
Timeframe: Before intervention and preoperative period
Heart Rate
Timeframe: Before intervention and preoperative period
Salivary Cortisol
Timeframe: Before intervention and preoperative period