Unverified75% confidenceDecision RuleTime unknown
抓握玩具重量宜控制在30-100g,过重(>150g)婴儿举不动易砸脸,过轻则缺乏抓握反馈;牙胶类硬度以邵氏A20-A40为宜,太软无摩擦力、太硬伤牙龈
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75%
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Long-term
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