Unverified82% confidenceDecision RuleTime unknown
味觉玩具(可啃咬型)应优先选用食品级硅胶(铂金硅胶)或TPE材质，硬度需≤Shore A 20度，硬度过高在出牙期无法起到磨牙镇痛作用且易硌伤牙龈
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Unverified带牙胶/咬咬边角的布书，牙胶材质应确认为食品级硅胶或TPE并可承受反复啃咬，避免PVC材质；口欲期婴儿会持续啃咬书角，非食品级材质存在增塑剂迁移风险80% similarUnverified食品级硅胶牙胶的硬度以邵氏硬度Shore A 40-50为宜，过硬伤牙龈，过软易被咬断，冷藏后使用可缓解出牙肿痛但不可冷冻至硬化79% similarUnverified带牙胶功能的安抚玩具必须选择食品级硅胶或天然橡胶材质，符合EN71或ASTM F963认证，硬度以邵氏A30-50为宜，太硬伤牙龈太软易咬碎77% similarUnverified1岁以内辅食期优先选硅胶而非不锈钢：硅胶软勺不伤牙龈，且导热慢不易烫伤；不锈钢勺在此阶段易磕伤新萌牙齿76% similarUnverified硅胶硬度(邵氏A)越高越耐咬但舔食舒适度下降：舔食垫/慢食垫建议邵氏A 40-50柔软贴合，咬胶玩具则需邵氏A 60以上抗撕咬76% similar
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