[KongchangAI]
Unverified75% confidenceCautionTime unknown

乳牙未换齐、门牙缺失阶段(约6-7岁)不建议开始长笛,门牙是口型和气流控制的关键支点,牙齿松动会严重影响发音稳定性,宜等换牙完成后再学

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75%
Confidence
Long-term
Relevance
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