Unverified90% confidenceDecision RuleTime unknown
幼犬换牙期（3-6月龄）应选邵氏硬度A50-A70的软性TPR或天然橡胶玩具，硬度过高会损伤未发育完全的乳牙和牙龈
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Unverified幼犬换牙期（3-6月龄）应选TPR/热塑橡胶或天然橡胶材质，硬度指甲能按出轻微印痕为宜，过硬会损伤未长齐的乳牙及恒牙94% similarUnverified幼犬换牙期（3-6月龄）不宜用超硬玩具，此时乳牙脆弱，应选40-50A软弹橡胶帮助缓解牙龈不适，避免损伤正在萌出的恒牙92% similarUnverified幼犬换牙期（3-6月龄）优选发声+磨牙一体的软硬适中橡胶玩具（邵氏硬度约30-40A），过硬易损伤乳牙，纯毛绒则无磨牙作用92% similarUnverified幼犬（3-6月龄乳牙期）应选择邵氏硬度Shore A 50以下的软性磨牙棒（如乳胶、软性橡胶），过硬产品会损伤未发育完全的乳牙和牙床91% similarUnverified幼犬换牙期（3-6月龄）应选柔软度高、回弹好的乳胶玩具缓解牙龈痒痛，硬质尼龙或橡胶骨可能损伤未长齐的乳牙91% similar
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