Unverified80% confidenceDecision RuleTime unknown
食品级液态硅胶(LSR)材质的矫治器比传统树脂/PU材质更适合长期口内佩戴,硅胶邵氏硬度建议在40-70A范围,过硬(>80A)易磨伤牙龈,过软(<30A)则无法有效引导牙齿排列
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80%
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Long-term
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Unverified口欲期啃咬用摇铃优选食品级硅胶(可查FDA或LFGB认证)而非硬质ABS塑料,硅胶硬度约邵氏A40-60适合牙床,且认准无缝隙一体成型避免藏污与拼接脱落风险83% similarUnverified吸嘴材质认准食品级液态硅胶(LSR)而非普通硅胶,认准硬度Shore A 20-40度的软质吸嘴,过硬易顶伤鼻腔内壁80% similarUnverified液态硅胶(LSR)奶嘴头比普通固态硅胶更耐反复高温消毒、不易发黄变粘,天然橡胶(乳胶)虽更柔软仿真但寿命短(约4-6周需更换)且有致敏风险78% similarUnverified食品级硅胶材质相对柔软,初戴异物感低、儿童配合度较好,但软性材料对牙齿施力有限,矫治力度弱于硬质树脂类矫治器78% similarUnverified硅胶材质柔软不伤牙龈,适合萌牙初期按摩和清洁,但相比尼龙刷毛牙刷清洁效率明显偏低,属于过渡性工具而非长期替代78% similar
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