Unverified75% confidenceDecision RuleTime unknown
购买时检查音孔边缘是否打磨光滑无毛刺，粗糙音孔会划伤儿童手指并影响按孔密封；树脂管注意接缝处是否密合无缝隙，缝隙漏气会导致高音吹不响
1
Sources
75%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified警惕吹口内壁毛刺与音孔边缘未打磨的低价竖笛，毛刺会割伤儿童嘴唇、粗糙孔壁导致漏气跑音，收货后应用手指检查每个孔位与吹口是否光滑90% similarUnverified牙缝过紧无法通过牙线的儿童不应强行使用膨胀型牙线硬塞，可能损伤牙龈乳头，此情况提示可能存在拥挤或接触点过紧，应就诊评估而非换更粗牙线72% similarUnverified牙缝紧密或牙齿拥挤的孩子不建议用普通弓型牙线棒，因线段绷紧后无弹性，强行压入易划伤牙龈并造成孩子疼痛抗拒，应改用可微调力度的卷线68% similarUnverified儿童牙线的握柄长度和角度决定后牙可达性，评估时应实际观察或试用磨牙区（尤其上颚第二乳磨牙）能否进入，很多卡通短柄款前牙好用但后牙进不去68% similarUnverified避免购买刷毛偏硬（中毛/硬毛）或磨尖丝的儿童牙刷，儿童牙釉质薄，硬毛易造成牙龈退缩和牙颈部楔状缺损68% similar
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